📝 docs(i18n-readme): 建立README中英双文档结构并统一能力描述

- 英文主 README 覆盖项目定位、性能特性与安装说明
- 中文 README 覆盖同等信息密度，避免内容断层
- 中英文文档统一支持数据源表格与驱动模式说明
- 完成语言切换链接配置，便于读者快速切换

.github/workflows/release-winget.yml

@@ -0,0 +1,22 @@
+name: Publish to WinGet
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+    inputs:
+      release_tag:
+        required: true
+        description: 'Tag of release you want to publish'
+        type: string
+
+jobs:
+  publish:
+    runs-on: windows-latest
+    steps:
+      - uses: vedantmgoyal9/winget-releaser@v2
+        with:
+          identifier: Syngnat.GoNavi
+          installers-regex: 'GoNavi-windows-(amd64|arm64)\.exe$'
+          release-tag: ${{ inputs.release_tag || github.ref_name }}
+          token: ${{ secrets.WINGET_TOKEN }}

.github/workflows/release.yml

@@ -19,16 +19,59 @@ jobs:
         include:
           - os: macos-latest
             platform: darwin/amd64
-            artifact_name: GoNavi-mac-amd64
-            asset_ext: .dmg
+            os_name: MacOS
+            arch_name: Amd64
+            build_name: gonavi-build-darwin-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
           - os: macos-latest
             platform: darwin/arm64
-            artifact_name: GoNavi-mac-arm64
-            asset_ext: .dmg
+            os_name: MacOS
+            arch_name: Arm64
+            build_name: gonavi-build-darwin-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
           - os: windows-latest
             platform: windows/amd64
-            artifact_name: GoNavi-windows-amd64
-            asset_ext: .exe
+            os_name: Windows
+            arch_name: Amd64
+            build_name: gonavi-build-windows-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: windows-latest
+            platform: windows/arm64
+            os_name: Windows
+            arch_name: Arm64
+            build_name: gonavi-build-windows-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: ubuntu-22.04
+            platform: linux/amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-build-linux-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: "4.0"
+          # Debian 13 (trixie) 默认仓库已切到 WebKitGTK 4.1：单独提供 4.1 变体产物
+          - os: ubuntu-24.04
+            platform: linux/amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-build-linux-amd64-webkit41
+            wails_tags: "webkit2_41"
+            artifact_suffix: "-WebKit41"
+            build_optional_agents: false
+            linux_webkit: "4.1"
 
     steps:
       - name: Checkout code
@@ -45,19 +88,115 @@ jobs:
         with:
           node-version: '20'
 
+      # Linux Dependencies (GTK3, WebKit2GTK required by Wails)
+      - name: Install Linux Dependencies
+        if: contains(matrix.platform, 'linux')
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libgtk-3-dev
+
+          # WebKitGTK 4.1 需要 libsoup3；4.0 使用 libsoup2（通常由 webkit2gtk dev 包拉起）
+          if [ "${{ matrix.linux_webkit }}" = "4.1" ]; then
+            sudo apt-get install -y libwebkit2gtk-4.1-dev libsoup-3.0-dev
+          else
+            sudo apt-get install -y libwebkit2gtk-4.0-dev
+          fi
+
+          # AppImage 运行/打包可能需要 FUSE2。不同发行版/版本包名不同，做兼容兜底。
+          sudo apt-get install -y libfuse2 || sudo apt-get install -y libfuse2t64 || true
+
+          # Download linuxdeploy tools for AppImage packaging
+          LINUXDEPLOY_URL="https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage"
+          PLUGIN_URL="https://github.com/linuxdeploy/linuxdeploy-plugin-gtk/releases/download/continuous/linuxdeploy-plugin-gtk-x86_64.AppImage"
+
+          echo "📥 下载 linuxdeploy..."
+          wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=3 \
+            -O /tmp/linuxdeploy "$LINUXDEPLOY_URL" || {
+            echo "⚠️ linuxdeploy 下载失败，AppImage 打包将跳过"
+            touch /tmp/skip-appimage
+          }
+
+          echo "📥 下载 linuxdeploy-plugin-gtk..."
+          wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=3 \
+            -O /tmp/linuxdeploy-plugin-gtk "$PLUGIN_URL" || {
+            echo "⚠️ linuxdeploy-plugin-gtk 下载失败，AppImage 打包将跳过"
+            touch /tmp/skip-appimage
+          }
+
+          if [ ! -f /tmp/skip-appimage ]; then
+            chmod +x /tmp/linuxdeploy /tmp/linuxdeploy-plugin-gtk
+            echo "✅ AppImage 工具准备完成"
+          fi
+
       - name: Install Wails
         run: go install -v github.com/wailsapp/wails/v2/cmd/wails@latest
 
       - name: Build
         shell: bash
         run: |
-          wails build -platform ${{ matrix.platform }} -clean -o ${{ matrix.artifact_name }}
+          set -euo pipefail
+          TAG_ARGS=()
+          if [ -n "${{ matrix.wails_tags }}" ]; then
+            TAG_ARGS+=(-tags "${{ matrix.wails_tags }}")
+          fi
+          wails build -platform ${{ matrix.platform }} -clean -o ${{ matrix.build_name }} "${TAG_ARGS[@]}" -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${{ github.ref_name }}"
+
+      - name: Build Optional Driver Agents
+        if: ${{ matrix.build_optional_agents }}
+        shell: bash
+        run: |
+          set -euo pipefail
+          TARGET_PLATFORM="${{ matrix.platform }}"
+          GOOS="${TARGET_PLATFORM%%/*}"
+          GOARCH="${TARGET_PLATFORM##*/}"
+          DRIVERS=(mariadb doris sphinx sqlserver sqlite duckdb dameng kingbase highgo vastbase mongodb tdengine clickhouse)
+          OUTDIR="drivers/${{ matrix.os_name }}"
+          mkdir -p "$OUTDIR"
+
+          for DRIVER in "${DRIVERS[@]}"; do
+            BUILD_DRIVER="$DRIVER"
+            if [ "$DRIVER" = "doris" ]; then
+              BUILD_DRIVER="diros"
+            fi
+            TAG="gonavi_${BUILD_DRIVER}_driver"
+            OUTPUT="${DRIVER}-driver-agent-${GOOS}-${GOARCH}"
+            if [ "$GOOS" = "windows" ]; then
+              OUTPUT="${OUTPUT}.exe"
+            fi
+            OUTPUT_PATH="${OUTDIR}/${OUTPUT}"
+            echo "🔧 构建 ${OUTPUT_PATH} (tag=${TAG})"
+            if [ "$DRIVER" = "duckdb" ]; then
+              set +e
+              CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" go build \
+                -tags "${TAG}" \
+                -trimpath \
+                -ldflags "-s -w" \
+                -o "${OUTPUT_PATH}" \
+                ./cmd/optional-driver-agent
+              DUCKDB_RC=$?
+              set -e
+              if [ "${DUCKDB_RC}" -ne 0 ]; then
+                echo "⚠️ DuckDB 代理构建失败（平台 ${GOOS}/${GOARCH}），跳过该资产，不阻断发布"
+                rm -f "${OUTPUT_PATH}"
+                continue
+              fi
+            else
+              CGO_ENABLED=0 GOOS="$GOOS" GOARCH="$GOARCH" go build \
+                -tags "${TAG}" \
+                -trimpath \
+                -ldflags "-s -w" \
+                -o "${OUTPUT_PATH}" \
+                ./cmd/optional-driver-agent
+            fi
+          done
 
       # macOS Packaging
       - name: Package macOS DMG
         if: contains(matrix.platform, 'darwin')
         run: |
           brew install create-dmg
+          VERSION="${{ github.ref_name }}"
+          VERSION="${VERSION#v}"
           cd build/bin
           
           APP_PATH=$(find . -maxdepth 1 -name "*.app" | head -n 1)
@@ -68,9 +207,12 @@ jobs:
           APP_NAME=$(basename "$APP_PATH")
           
           echo "🔏 正在进行 Ad-hoc 签名..."
-          codesign --force --options runtime --deep --sign - "$APP_NAME"
+          # 注意：Ad-hoc + hardened runtime（--options runtime）在未配置 entitlements 时，
+          # 可能导致部分 macOS 机型上应用双击无响应。这里保持 Ad-hoc 深签名但禁用 runtime hardened。
+          codesign --force --deep --sign - "$APP_NAME"
           
-          DMG_NAME="${{ matrix.artifact_name }}.dmg"
+          DMG_NAME="${{ matrix.build_name }}.dmg"
+          FINAL_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.dmg"
           echo "📦 正在生成 DMG: $DMG_NAME..."
           
           create-dmg \
@@ -84,35 +226,131 @@ jobs:
             "$DMG_NAME" \
             "$APP_NAME"
             
-          mv "$DMG_NAME" ../../
+          mv "$DMG_NAME" "../../$FINAL_NAME"
 
       # Windows Packaging
-      - name: Prepare Windows Exe
+      - name: Package Windows Portable Zip
         if: contains(matrix.platform, 'windows')
-        shell: bash
+        shell: pwsh
         run: |
+          Set-Location build/bin
+          $version = "${{ github.ref_name }}"
+          if ($version.StartsWith("v")) {
+              $version = $version.Substring(1)
+          }
+          $target = "${{ matrix.build_name }}"
+          $finalExeName = "GoNavi-$version-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.exe"
+          $finalZipName = "GoNavi-$version-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.zip"
+
+          if (Test-Path "$target.exe") {
+              $finalExe = "$target.exe"
+          } elseif (Test-Path "$target") {
+              Rename-Item -Path "$target" -NewName "$target.exe"
+              $finalExe = "$target.exe"
+          } else {
+              Write-Error "❌ 未找到构建产物 '$target'!"
+              exit 1
+          }
+
+          Write-Host "📦 生成 Windows 可执行文件 $finalExeName..."
+          Copy-Item -LiteralPath $finalExe -Destination "..\\..\\$finalExeName" -Force
+
+          Write-Host "📦 生成 Windows 压缩包 $finalZipName..."
+          Compress-Archive -LiteralPath $finalExe -DestinationPath "..\\..\\$finalZipName" -Force
+
+      # Linux Packaging (tar.gz and AppImage)
+      - name: Package Linux
+        if: contains(matrix.platform, 'linux')
+        run: |
+          VERSION="${{ github.ref_name }}"
+          VERSION="${VERSION#v}"
           cd build/bin
-          TARGET="${{ matrix.artifact_name }}"
-          
-          if [ -f "$TARGET.exe" ]; then
-              FINAL_EXE="$TARGET.exe"
-          elif [ -f "$TARGET" ]; then
-              mv "$TARGET" "$TARGET.exe"
-              FINAL_EXE="$TARGET.exe"
-          else
+          TARGET="${{ matrix.build_name }}"
+          TAR_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.tar.gz"
+          APPIMAGE_NAME="GoNavi-$VERSION-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}.AppImage"
+
+          if [ ! -f "$TARGET" ]; then
               echo "❌ 未找到构建产物 '$TARGET'!"
               exit 1
           fi
-          
-          echo "📦 正在移动 $FINAL_EXE 到根目录..."
-          mv "$FINAL_EXE" "../../$FINAL_EXE"
+
+          chmod +x "$TARGET"
+
+          # 1. Create tar.gz
+          echo "📦 正在打包 $TAR_NAME..."
+          tar -czvf "$TAR_NAME" "$TARGET"
+          mv "$TAR_NAME" ../../
+
+          # 2. Create AppImage (skip for ARM64 or if tools unavailable)
+          if [ -f /tmp/skip-appimage ]; then
+              echo "⚠️ 跳过 AppImage 打包"
+              exit 0
+          fi
+
+          echo "📦 正在生成 AppImage..."
+
+          # Create AppDir structure
+          mkdir -p AppDir/usr/bin
+          mkdir -p AppDir/usr/share/applications
+          mkdir -p AppDir/usr/share/icons/hicolor/256x256/apps
+
+          cp "$TARGET" AppDir/usr/bin/gonavi
+
+          # Create desktop file
+          printf '%s\n' \
+            '[Desktop Entry]' \
+            'Name=GoNavi' \
+            'Exec=gonavi' \
+            'Icon=gonavi' \
+            'Type=Application' \
+            'Categories=Development;Database;' \
+            'Comment=Database Management Tool' \
+            > AppDir/usr/share/applications/gonavi.desktop
+
+          cp AppDir/usr/share/applications/gonavi.desktop AppDir/gonavi.desktop
+
+          # Create a simple icon (or use existing if available)
+          if [ -f "../../build/appicon.png" ]; then
+              cp "../../build/appicon.png" AppDir/usr/share/icons/hicolor/256x256/apps/gonavi.png
+              cp "../../build/appicon.png" AppDir/gonavi.png
+          else
+              # Create a placeholder icon
+              convert -size 256x256 xc:#336791 -fill white -gravity center -pointsize 48 -annotate 0 "GoNavi" AppDir/gonavi.png || \
+              wget -q "https://via.placeholder.com/256/336791/FFFFFF?text=GoNavi" -O AppDir/gonavi.png || \
+              touch AppDir/gonavi.png
+              cp AppDir/gonavi.png AppDir/usr/share/icons/hicolor/256x256/apps/gonavi.png
+          fi
+
+          # Build AppImage
+          export DEPLOY_GTK_VERSION=3
+          /tmp/linuxdeploy --appdir AppDir --plugin gtk --output appimage || {
+              echo "⚠️ AppImage 生成失败，但 tar.gz 已成功生成"
+              exit 0
+          }
+
+          # Rename output
+          mv GoNavi*.AppImage "$APPIMAGE_NAME" 2>/dev/null || {
+              echo "⚠️ AppImage 重命名失败"
+              exit 0
+          }
+
+          if [ -f "$APPIMAGE_NAME" ]; then
+              mv "$APPIMAGE_NAME" ../../
+              echo "✅ AppImage 生成成功"
+          fi
 
       # Upload to Actions Artifacts (Temporary Storage)
       - name: Upload Artifact
         uses: actions/upload-artifact@v4
         with:
           name: build-artifacts-${{ strategy.job-index }} # Unique name per job
-          path: GoNavi-*${{ matrix.asset_ext }}
+          path: |
+            GoNavi-*.dmg
+            GoNavi-*.exe
+            GoNavi-*.zip
+            GoNavi-*.tar.gz
+            GoNavi-*.AppImage
+            drivers/**
           retention-days: 1
 
   # Phase 2: Collect all artifacts and Publish Release (Single Job)
@@ -131,6 +369,76 @@ jobs:
       - name: List Assets
         run: ls -R release-assets
 
+      - name: Package Driver Agents Bundle
+        shell: bash
+        run: |
+          set -euo pipefail
+          cd release-assets
+          if [ ! -d drivers ]; then
+            echo "⚠️ 未找到 drivers 目录，跳过驱动总包打包"
+            exit 0
+          fi
+          if [ -z "$(find drivers -type f 2>/dev/null | head -n 1)" ]; then
+            echo "⚠️ drivers 目录为空，跳过驱动总包打包"
+            rm -rf drivers
+            exit 0
+          fi
+
+          echo "📦 打包驱动总包：GoNavi-DriverAgents.zip"
+          python3 - <<'PY'
+          import json
+          import os
+          import zipfile
+          from pathlib import Path
+
+          out_name = "GoNavi-DriverAgents.zip"
+          index_name = "GoNavi-DriverAgents-Index.json"
+          base = Path("drivers")
+          out_path = Path(out_name)
+          index_path = Path(index_name)
+          if out_path.exists():
+              out_path.unlink()
+          if index_path.exists():
+              index_path.unlink()
+
+          size_index = {}
+          with zipfile.ZipFile(out_path, "w", compression=zipfile.ZIP_DEFLATED) as zf:
+              for p in base.rglob("*"):
+                  if not p.is_file():
+                      continue
+                  arcname = p.relative_to(base).as_posix()
+                  zf.write(p, arcname)
+                  size_index[p.name] = p.stat().st_size
+
+          index_path.write_text(
+              json.dumps({"assets": size_index}, ensure_ascii=False, indent=2),
+              encoding="utf-8",
+          )
+
+          print(f"created {out_name} size={out_path.stat().st_size} bytes")
+          print(f"created {index_name} entries={len(size_index)}")
+          PY
+
+          # Release 只发布一个驱动总包，避免大量平铺资产污染 Release 页面
+          rm -rf drivers
+
+      - name: Generate SHA256SUMS
+        shell: bash
+        run: |
+          cd release-assets
+          FILES=()
+          while IFS= read -r file; do
+            if [ -n "$file" ]; then
+              FILES+=("$file")
+            fi
+          done < <(find . -maxdepth 1 -type f ! -name SHA256SUMS -exec basename {} \; | sort)
+          if [ ${#FILES[@]} -eq 0 ]; then
+            echo "⚠️ 未找到可签名资产，生成空 SHA256SUMS"
+            : > SHA256SUMS
+          else
+            sha256sum "${FILES[@]}" > SHA256SUMS
+          fi
+
       - name: Create Release
         uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')

.gitignore

@@ -6,7 +6,7 @@
 frontend/release/
 **/release/
 **/dist/
-**/build/
+build/bin/
 
 # wails / node artifacts (按需)
 node_modules/
@@ -17,3 +17,5 @@ dist/
 GoNavi-Wails
 GoNavi-Wails.exe
 .ace-tool/
+.claude/
+tmpclaude-*

README.md

@@ -1,4 +1,4 @@
-# GoNavi - 现代化的轻量级数据库管理工具
+# GoNavi - A Modern Lightweight Database Client
 
 [![Go Version](https://img.shields.io/github/go-mod/go-version/Syngnat/GoNavi)](https://go.dev/)
 [![Wails Version](https://img.shields.io/badge/Wails-v2-red)](https://wails.io)
@@ -6,11 +6,51 @@
 [![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)
 [![Build Status](https://img.shields.io/github/actions/workflow/status/Syngnat/GoNavi/release.yml?label=Build)](https://github.com/Syngnat/GoNavi/actions)
 
-**GoNavi** 是一款基于 **Wails (Go)** 和 **React** 构建的现代化、高性能、跨平台数据库管理客户端。它旨在提供如原生应用般流畅的用户体验，同时保持极低的资源占用。
+**Language**: English | [简体中文](README.zh-CN.md)
 
-相比于 Electron 应用，GoNavi 的体积更小（~10MB），启动速度更快，内存占用更低。
+GoNavi is a modern, high-performance, cross-platform database client built with **Wails (Go)** and **React**.
+It delivers native-like responsiveness with low resource usage.
 
-<h2 align="center">📸 项目截图</h2>
+Compared with many Electron-based clients, GoNavi is typically smaller in binary size (around 10MB class), starts faster, and uses less memory.
+
+---
+
+## Project Overview
+
+GoNavi is designed for developers and DBAs who need a unified desktop experience across multiple databases.
+
+- **Native-performance architecture**: Wails (Go + WebView) with lightweight runtime overhead.
+- **Large dataset usability**: virtualized rendering and optimized DataGrid workflows for high-volume tables.
+- **Unified connectivity**: URI build/parse, SSH tunnel, proxy support, and on-demand driver activation.
+- **Production-oriented workflow**: SQL editor, object management, batch export/backup, sync tools, execution logs, and update checks.
+
+## Supported Data Sources
+
+> `Built-in`: available out of the box.  
+> `Optional driver agent`: install/enable via Driver Manager first.
+
+| Category | Data Source | Driver Mode | Typical Capabilities |
+|---|---|---|---|
+| Relational | MySQL | Built-in | Schema browsing, SQL query, data editing, export/backup |
+| Relational | PostgreSQL | Built-in | Schema browsing, SQL query, data editing, object management |
+| Relational | Oracle | Built-in | Query execution, object browsing, data editing |
+| Cache | Redis | Built-in | Key browsing, command execution, encoding/view switch |
+| Relational | MariaDB | Optional driver agent | Querying, object management, data editing |
+| Relational | Doris | Optional driver agent | Querying, object browsing, SQL execution |
+| Search | Sphinx | Optional driver agent | SphinxQL querying and object browsing |
+| Relational | SQL Server | Optional driver agent | Schema browsing, SQL query, object management |
+| File-based | SQLite | Optional driver agent | Local DB browsing, editing, export |
+| File-based | DuckDB | Optional driver agent | Large-table query, pagination, file-DB workflow |
+| Domestic DB | Dameng | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | Kingbase | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | HighGo | Optional driver agent | Querying, object browsing, data editing |
+| Domestic DB | Vastbase | Optional driver agent | Querying, object browsing, data editing |
+| Document | MongoDB | Optional driver agent | Document query, collection browsing, connection management |
+| Time-series | TDengine | Optional driver agent | Time-series schema browsing and querying |
+| Columnar Analytics | ClickHouse | Optional driver agent | Analytical query, object browsing, SQL execution |
+| Extensibility | Custom Driver/DSN | Custom | Extend to more data sources via Driver + DSN |
+
+<h2 align="center">📸 Screenshots</h2>
 
 <div align="center">
     <img width="25%" alt="image" src="https://github.com/user-attachments/assets/341cda98-79a5-4198-90f3-1335131ccde0" />
@@ -24,111 +64,148 @@
 
 ---
 
-## ✨ 核心特性
+## Key Features
 
-### 🚀 极致性能
-- **零卡顿交互**：采用独创的 "幽灵拖拽" (Ghost Resizing) 技术，在包含数万行数据的表格中调整列宽，依然保持 60fps+ 的丝滑体验。
-- **虚拟滚动**：轻松处理海量数据展示，拒绝卡顿。
+### Performance
+- **Smooth interaction under load**: optimized table interaction (including column resize workflow on large datasets).
+- **Virtualized rendering**: keeps large result sets responsive.
 
-### 🔌 多数据库支持
-- **MySQL**：完整的支持，包括表结构设计、索引管理、外键管理等。
-- **PostgreSQL**：基础支持（持续完善中）。
-- **SQLite**：本地文件数据库支持。
-- **SSH 隧道**：内置 SSH 隧道支持，安全连接内网数据库。
+### Data Management (DataGrid)
+- In-place cell editing.
+- Batch insert/update/delete with transaction-oriented submit/rollback.
+- Large-field popup editor.
+- Context actions (set NULL, copy/export, etc.).
+- Smart read/write mode switching based on query context.
+- Export formats: CSV, Excel (XLSX), JSON, Markdown.
 
-### 📊 强大的数据管理 (DataGrid)
-- **所见即所得编辑**：直接在表格中双击单元格修改数据。
-- **事务操作**：支持批量新增、修改、删除，一键提交或回滚事务。
-- **智能上下文**：自动识别单表查询，解锁编辑功能；复杂查询自动切换为只读模式。
-- **数据导出**：支持导出为 CSV, Excel (XLSX), JSON, Markdown 等格式。
+### SQL Editor
+- Monaco Editor core.
+- Context-aware completion for databases/tables/columns.
+- Multi-tab query workflow.
 
-### 📝 智能 SQL 编辑器
-- **Monaco Editor 内核**：集成 VS Code 同款编辑器，体验极佳。
-- **智能补全**：自动感知当前连接上下文，提供数据库、表名、字段名的实时补全。
-- **多标签页**：支持多窗口并行操作，像浏览器一样管理你的查询会话。
+### Batch Export / Backup
+- Database-level and table-level batch export/backup.
+- Scope-aware operation flow to reduce mistakes.
 
-### 🎨 现代化 UI
-- **Ant Design 5**：企业级 UI 设计语言。
-- **暗黑模式**：内置深色/浅色主题切换，适应不同光照环境。
-- **响应式布局**：灵活的侧边栏与布局调整。
+### Connectivity
+- URI generation/parsing.
+- SSH tunnel support.
+- Proxy support.
+- Config import/export (JSON).
+- Optional driver management and activation.
+
+### Redis Tools
+- Multi-view value rendering (auto/raw text/UTF-8/hex).
+- Built-in command execution panel.
+
+### Observability and Update
+- SQL execution logs with timing information.
+- Startup/scheduled/manual update checks.
+
+### UI/UX
+- Ant Design 5 based interface.
+- Light/Dark themes.
+- Flexible sidebar and layout behavior.
 
 ---
 
-## 🛠️ 技术栈
+## Tech Stack
 
-*   **后端 (Backend)**: Go 1.24 + Wails v2
-*   **前端 (Frontend)**: React 18 + TypeScript + Vite
-*   **UI 框架**: Ant Design 5
-*   **状态管理**: Zustand
-*   **编辑器**: Monaco Editor
+- **Backend**: Go 1.24 + Wails v2
+- **Frontend**: React 18 + TypeScript + Vite
+- **UI**: Ant Design 5
+- **State Management**: Zustand
+- **Editor**: Monaco Editor
 
 ---
 
-## 📦 安装与运行
+## Installation and Run
 
-### 前置要求
-*   [Go](https://go.dev/dl/) 1.21+
-*   [Node.js](https://nodejs.org/) 18+
-*   [Wails CLI](https://wails.io/docs/gettingstarted/installation): `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
+### Prerequisites
+- [Go](https://go.dev/dl/) 1.21+
+- [Node.js](https://nodejs.org/) 18+
+- [Wails CLI](https://wails.io/docs/gettingstarted/installation):
+  `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
 
-### 开发模式
+### Development Mode
 
 ```bash
-# 克隆项目
+# Clone
 git clone https://github.com/Syngnat/GoNavi.git
 cd GoNavi
 
-# 启动开发服务器 (支持热重载)
+# Start development with hot reload
 wails dev
 ```
 
-### 编译构建
+### Build
 
 ```bash
-# 构建当前平台的可执行文件
+# Build for current platform
 wails build
 
-# 清理并构建 (推荐发布前使用)
+# Clean build (recommended before release)
 wails build -clean
 ```
 
-构建产物将位于 `build/bin` 目录下。
+Artifacts are generated in `build/bin`.
 
-### 跨平台编译 (GitHub Actions)
+### Cross-Platform Release (GitHub Actions)
 
-本项目内置了 GitHub Actions 流水线，Push `v*` 格式的 Tag 即可自动触发构建并发布 Release。
-支持构建：
-*   macOS (AMD64 / ARM64)
-*   Windows (AMD64)
+The repository includes a release workflow.
+Push a `v*` tag to trigger automated build and release.
+
+Target artifacts include:
+- macOS (AMD64 / ARM64)
+- Windows (AMD64)
+- Linux (AMD64, WebKitGTK 4.0 and 4.1 variants)
 
 ---
 
-## ❓ 常见问题 (Troubleshooting)
+## Troubleshooting
 
-### macOS 提示 "应用已损坏，无法打开"
+### macOS: "App is damaged and can’t be opened"
 
-由于本项目尚未购买 Apple 开发者证书进行签名（Notarization），macOS 的 Gatekeeper 安全机制可能会拦截应用的运行。请按照以下步骤解决：
+Without Apple notarization, Gatekeeper may block startup.
 
-1.  将下载的 `GoNavi.app` 拖入 **应用程序** 文件夹。
-2.  打开 **终端 (Terminal)**。
-3.  复制并执行以下命令（输入密码时不会显示）：
-    ```bash
-    sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
-    ```
-4.  或者：在 Finder 中右键点击应用图标，按住 `Control` 键选择 **打开**，然后在弹出的窗口中再次点击 **打开**。
+1. Move `GoNavi.app` to **Applications**.
+2. Open **Terminal**.
+3. Run:
+
+```bash
+sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
+```
+
+Or right-click the app in Finder and choose **Open** with Control key flow.
+
+### Linux: missing `libwebkit2gtk` / `libjavascriptcoregtk`
+
+GoNavi depends on WebKitGTK runtime libraries.
+
+```bash
+# Debian 13 / Ubuntu 24.04+
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.1-0 libjavascriptcoregtk-4.1-0
+
+# Ubuntu 22.04 / Debian 12
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.0-37 libjavascriptcoregtk-4.0-18
+```
+
+If you use Linux artifacts with the `-WebKit41` suffix, prefer Debian 13 / Ubuntu 24.04+.
 
 ---
 
-## 🤝 贡献指南
+## Contributing
 
-欢迎提交 Issue 和 Pull Request！
+Issues and pull requests are welcome.
 
-1.  Fork 本仓库
-2.  创建你的特性分支 (`git checkout -b feature/AmazingFeature`)
-3.  提交你的改动 (`git commit -m 'feat: Add some AmazingFeature'`)
-4.  推送到分支 (`git push origin feature/AmazingFeature`)
-5.  开启一个 Pull Request
+1. Fork the repository.
+2. Create a feature branch.
+3. Commit your changes.
+4. Push to your branch.
+5. Open a pull request.
 
-## 📄 开源协议
+## License
 
-本项目采用 [Apache-2.0 协议](LICENSE) 开源。
+Licensed under [Apache-2.0](LICENSE).

README.zh-CN.md

@@ -0,0 +1,194 @@
+# GoNavi - 现代化轻量级数据库客户端
+
+[![Go Version](https://img.shields.io/github/go-mod/go-version/Syngnat/GoNavi)](https://go.dev/)
+[![Wails Version](https://img.shields.io/badge/Wails-v2-red)](https://wails.io)
+[![React Version](https://img.shields.io/badge/React-v18-blue)](https://reactjs.org/)
+[![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/Syngnat/GoNavi/release.yml?label=Build)](https://github.com/Syngnat/GoNavi/actions)
+
+**语言**: [English](README.md) | 简体中文
+
+GoNavi 是基于 **Wails (Go)** 与 **React** 构建的跨平台数据库管理工具，强调原生性能、低资源占用与多数据源统一工作流。
+
+相比常见 Electron 客户端，GoNavi 在体积、启动速度和内存占用上更轻量。
+
+---
+
+## 项目简介
+
+GoNavi 面向开发者与 DBA，核心目标是让数据库操作在桌面端做到“快、稳、统一”。
+
+- **原生性能架构**：Wails（Go + WebView），降低运行时开销。
+- **大数据可用性**：虚拟滚动 + DataGrid 交互优化，提升大结果集可操作性。
+- **统一连接能力**：支持 URI 生成/解析、SSH 隧道、代理、驱动按需安装。
+- **工程化能力完整**：覆盖 SQL 编辑、对象管理、批量导出/备份、数据同步、执行日志、在线更新。
+
+## 支持的数据源
+
+> `内置`：主程序开箱即用。  
+> `可选驱动代理`：需在驱动管理中安装启用后可用。
+
+| 类别 | 数据源 | 驱动模式 | 典型能力 |
+|---|---|---|---|
+| 关系型 | MySQL | 内置 | 库表浏览、SQL 查询、数据编辑、导出/备份 |
+| 关系型 | PostgreSQL | 内置 | 库表浏览、SQL 查询、数据编辑、对象管理 |
+| 关系型 | Oracle | 内置 | 连接查询、对象浏览、数据编辑 |
+| 缓存 | Redis | 内置 | Key 浏览、命令执行、编码/视图切换 |
+| 关系型 | MariaDB | 可选驱动代理 | 连接查询、对象管理、数据编辑 |
+| 关系型 | Doris | 可选驱动代理 | 连接查询、对象浏览、SQL 执行 |
+| 搜索 | Sphinx | 可选驱动代理 | SphinxQL 查询与对象浏览 |
+| 关系型 | SQL Server | 可选驱动代理 | 库表浏览、SQL 查询、对象管理 |
+| 文件型 | SQLite | 可选驱动代理 | 本地文件库浏览、编辑、导出 |
+| 文件型 | DuckDB | 可选驱动代理 | 大表查询、分页浏览、文件库管理 |
+| 国产数据库 | Dameng | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | Kingbase | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | HighGo | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 国产数据库 | Vastbase | 可选驱动代理 | 连接查询、对象浏览、数据编辑 |
+| 文档型 | MongoDB | 可选驱动代理 | 文档查询、集合浏览、连接管理 |
+| 时序 | TDengine | 可选驱动代理 | 时序库表浏览、查询分析 |
+| 列式分析 | ClickHouse | 可选驱动代理 | 分析查询、对象浏览、SQL 执行 |
+| 扩展接入 | Custom Driver/DSN | 自定义 | 通过 Driver + DSN 接入更多数据源 |
+
+<h2 align="center">📸 项目截图</h2>
+
+<div align="center">
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/341cda98-79a5-4198-90f3-1335131ccde0" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/224a74e7-65df-4aef-9710-d8e82e3a70c1" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/ec522145-5ceb-4481-ae46-a9251c89bdfc" />
+    <br />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/330ce49b-45f1-4919-ae14-75f7d47e5f73" />
+    <img width="14%" alt="image" src="https://github.com/user-attachments/assets/d15fa9e9-5486-423b-a0e9-53b467e45432" />
+    <img width="25%" alt="image" src="https://github.com/user-attachments/assets/f0c57590-d987-4ecf-89b2-64efad60b6d7" />
+</div>
+
+---
+
+## 核心特性
+
+### 性能与交互
+- 大数据场景下保持流畅交互（含 DataGrid 列宽拖拽、批量编辑流程优化）。
+- 虚拟滚动渲染，降低大结果集卡顿风险。
+
+### 数据管理（DataGrid）
+- 单元格所见即所得编辑。
+- 批量新增/修改/删除，支持事务提交与回滚。
+- 大字段弹窗编辑。
+- 右键上下文操作（NULL、复制、导出等）。
+- 根据查询上下文智能切换读写模式。
+- 支持 CSV / XLSX / JSON / Markdown 导出。
+
+### SQL 编辑器
+- 基于 Monaco Editor。
+- 上下文补全（数据库/表/字段）。
+- 多标签查询工作流。
+
+### 连接与驱动
+- URI 生成与解析。
+- SSH 隧道、代理支持。
+- 连接配置 JSON 导入/导出。
+- 可选驱动安装与启用管理。
+
+### Redis 工具
+- 自动/原始文本/UTF-8/十六进制等视图模式。
+- 内置命令执行面板。
+
+### 可观测性与更新
+- SQL 执行日志（含耗时）。
+- 启动/定时/手动更新检查。
+
+### UI 体验
+- Ant Design 5 体系。
+- 深色/浅色主题切换。
+- 灵活布局与侧边栏行为。
+
+---
+
+## 技术栈
+
+- **后端**: Go 1.24 + Wails v2
+- **前端**: React 18 + TypeScript + Vite
+- **UI 框架**: Ant Design 5
+- **状态管理**: Zustand
+- **编辑器**: Monaco Editor
+
+---
+
+## 安装与运行
+
+### 前置要求
+- [Go](https://go.dev/dl/) 1.21+
+- [Node.js](https://nodejs.org/) 18+
+- [Wails CLI](https://wails.io/docs/gettingstarted/installation):
+  `go install github.com/wailsapp/wails/v2/cmd/wails@latest`
+
+### 开发模式
+
+```bash
+# 克隆项目
+git clone https://github.com/Syngnat/GoNavi.git
+cd GoNavi
+
+# 启动开发（热重载）
+wails dev
+```
+
+### 编译构建
+
+```bash
+# 构建当前平台
+wails build
+
+# 清理后构建（发布前推荐）
+wails build -clean
+```
+
+构建产物位于 `build/bin`。
+
+### 跨平台发布（GitHub Actions）
+
+仓库内置发布流水线，推送 `v*` Tag 可自动构建并发布 Release。
+
+支持目标：
+- macOS (AMD64 / ARM64)
+- Windows (AMD64)
+- Linux (AMD64，含 WebKitGTK 4.0 / 4.1 变体)
+
+---
+
+## 常见问题
+
+### macOS 提示“应用已损坏，无法打开”
+
+在未进行 Apple Notarization 时，Gatekeeper 可能拦截应用。
+
+```bash
+sudo xattr -rd com.apple.quarantine /Applications/GoNavi.app
+```
+
+### Linux 缺少 `libwebkit2gtk` / `libjavascriptcoregtk`
+
+```bash
+# Debian 13 / Ubuntu 24.04+
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.1-0 libjavascriptcoregtk-4.1-0
+
+# Ubuntu 22.04 / Debian 12
+sudo apt-get update
+sudo apt-get install -y libgtk-3-0 libwebkit2gtk-4.0-37 libjavascriptcoregtk-4.0-18
+```
+
+---
+
+## 贡献指南
+
+欢迎提交 Issue 与 Pull Request。
+
+1. Fork 本仓库。
+2. 创建特性分支。
+3. 提交改动。
+4. 推送分支。
+5. 发起 Pull Request。
+
+## 开源协议
+
+本项目采用 [Apache-2.0 协议](LICENSE)。

build-release.sh

@@ -12,6 +12,7 @@ if [ -z "$VERSION" ]; then
     VERSION="0.0.0"
 fi
 echo "ℹ️  检测到版本号: $VERSION"
+LDFLAGS="-s -w -X GoNavi-Wails/internal/app.AppVersion=$VERSION"
 
 # 颜色配置
 GREEN='\033[0;32m'
@@ -27,7 +28,7 @@ mkdir -p $DIST_DIR
 
 # --- macOS ARM64 构建 ---
 echo -e "${GREEN}🍎 正在构建 macOS (arm64)...${NC}"
-wails build -platform darwin/arm64 -clean
+wails build -platform darwin/arm64 -clean -ldflags "$LDFLAGS"
 if [ $? -eq 0 ]; then
     APP_SRC="$BUILD_BIN_DIR/$DEFAULT_BINARY_NAME.app"
     APP_DEST_NAME="${APP_NAME}-${VERSION}-mac-arm64.app"
@@ -81,7 +82,7 @@ fi
 
 # --- macOS AMD64 构建 ---
 echo -e "${GREEN}🍎 正在构建 macOS (amd64)...${NC}"
-wails build -platform darwin/amd64 -clean
+wails build -platform darwin/amd64 -clean -ldflags "$LDFLAGS"
 if [ $? -eq 0 ]; then
     APP_SRC="$BUILD_BIN_DIR/$DEFAULT_BINARY_NAME.app"
     APP_DEST_NAME="${APP_NAME}-${VERSION}-mac-amd64.app"
@@ -131,19 +132,147 @@ fi
 # --- Windows AMD64 构建 ---
 echo -e "${GREEN}🪟 正在构建 Windows (amd64)...${NC}"
 if command -v x86_64-w64-mingw32-gcc &> /dev/null; then
-    wails build -platform windows/amd64 -clean
+    wails build -platform windows/amd64 -clean -ldflags "$LDFLAGS"
     if [ $? -eq 0 ]; then
         mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}.exe" "$DIST_DIR/${APP_NAME}-${VERSION}-windows-amd64.exe"
         echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-windows-amd64.exe"
     else
-        echo -e "${RED}   ❌ Windows 构建失败。${NC}"
+        echo -e "${RED}   ❌ Windows amd64 构建失败。${NC}"
     fi
 else
-    echo -e "${YELLOW}   ⚠️  未找到 MinGW 工具 (x86_64-w64-mingw32-gcc)，跳过 Windows 构建。${NC}"
+    echo -e "${YELLOW}   ⚠️  未找到 MinGW 工具 (x86_64-w64-mingw32-gcc)，跳过 Windows amd64 构建。${NC}"
+fi
+
+# --- Windows ARM64 构建 ---
+echo -e "${GREEN}🪟 正在构建 Windows (arm64)...${NC}"
+if command -v aarch64-w64-mingw32-gcc &> /dev/null; then
+    wails build -platform windows/arm64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}.exe" "$DIST_DIR/${APP_NAME}-${VERSION}-windows-arm64.exe"
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-windows-arm64.exe"
+    else
+        echo -e "${RED}   ❌ Windows arm64 构建失败。${NC}"
+    fi
+else
+    echo -e "${YELLOW}   ⚠️  未找到 MinGW ARM64 工具 (aarch64-w64-mingw32-gcc)，跳过 Windows arm64 构建。${NC}"
+    echo "      安装命令: brew install mingw-w64 (需要支持 ARM64 的版本)"
+fi
+
+# --- Linux AMD64 构建 ---
+echo -e "${GREEN}🐧 正在构建 Linux (amd64)...${NC}"
+# 检测当前系统
+CURRENT_OS=$(uname -s)
+CURRENT_ARCH=$(uname -m)
+
+if [ "$CURRENT_OS" = "Linux" ] && [ "$CURRENT_ARCH" = "x86_64" ]; then
+    # 本机 Linux amd64，直接构建
+    wails build -platform linux/amd64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        # 打包为 tar.gz
+        cd "$DIST_DIR"
+        tar -czvf "${APP_NAME}-${VERSION}-linux-amd64.tar.gz" "${APP_NAME}-${VERSION}-linux-amd64"
+        rm "${APP_NAME}-${VERSION}-linux-amd64"
+        cd ..
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-linux-amd64.tar.gz"
+    else
+        echo -e "${RED}   ❌ Linux amd64 构建失败。${NC}"
+    fi
+elif command -v x86_64-linux-gnu-gcc &> /dev/null; then
+    # macOS 或其他系统，尝试交叉编译
+    export CC=x86_64-linux-gnu-gcc
+    export CXX=x86_64-linux-gnu-g++
+    export CGO_ENABLED=1
+    wails build -platform linux/amd64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-amd64"
+        cd "$DIST_DIR"
+        tar -czvf "${APP_NAME}-${VERSION}-linux-amd64.tar.gz" "${APP_NAME}-${VERSION}-linux-amd64"
+        rm "${APP_NAME}-${VERSION}-linux-amd64"
+        cd ..
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-linux-amd64.tar.gz"
+    else
+        echo -e "${RED}   ❌ Linux amd64 交叉编译失败。${NC}"
+    fi
+    unset CC CXX CGO_ENABLED
+else
+    echo -e "${YELLOW}   ⚠️  非 Linux 系统且未找到交叉编译工具，跳过 Linux amd64 构建。${NC}"
+    echo "      在 Linux 上运行此脚本可直接构建，或安装交叉编译工具链。"
+fi
+
+# --- Linux ARM64 构建 ---
+echo -e "${GREEN}🐧 正在构建 Linux (arm64)...${NC}"
+if [ "$CURRENT_OS" = "Linux" ] && [ "$CURRENT_ARCH" = "aarch64" ]; then
+    # 本机 Linux arm64，直接构建
+    wails build -platform linux/arm64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        cd "$DIST_DIR"
+        tar -czvf "${APP_NAME}-${VERSION}-linux-arm64.tar.gz" "${APP_NAME}-${VERSION}-linux-arm64"
+        rm "${APP_NAME}-${VERSION}-linux-arm64"
+        cd ..
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-linux-arm64.tar.gz"
+    else
+        echo -e "${RED}   ❌ Linux arm64 构建失败。${NC}"
+    fi
+elif command -v aarch64-linux-gnu-gcc &> /dev/null; then
+    # 交叉编译
+    export CC=aarch64-linux-gnu-gcc
+    export CXX=aarch64-linux-gnu-g++
+    export CGO_ENABLED=1
+    wails build -platform linux/arm64 -clean -ldflags "$LDFLAGS"
+    if [ $? -eq 0 ]; then
+        mv "$BUILD_BIN_DIR/${DEFAULT_BINARY_NAME}" "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        chmod +x "$DIST_DIR/${APP_NAME}-${VERSION}-linux-arm64"
+        cd "$DIST_DIR"
+        tar -czvf "${APP_NAME}-${VERSION}-linux-arm64.tar.gz" "${APP_NAME}-${VERSION}-linux-arm64"
+        rm "${APP_NAME}-${VERSION}-linux-arm64"
+        cd ..
+        echo "   ✅ 已生成 ${APP_NAME}-${VERSION}-linux-arm64.tar.gz"
+    else
+        echo -e "${RED}   ❌ Linux arm64 交叉编译失败。${NC}"
+    fi
+    unset CC CXX CGO_ENABLED
+else
+    echo -e "${YELLOW}   ⚠️  非 Linux ARM64 系统且未找到交叉编译工具，跳过 Linux arm64 构建。${NC}"
+    echo "      安装命令 (Ubuntu): sudo apt install gcc-aarch64-linux-gnu g++-aarch64-linux-gnu"
+    echo "      安装命令 (macOS): brew install aarch64-linux-gnu-gcc (需要第三方 tap)"
 fi
 
 # 清理中间构建目录
 rm -rf "build/bin"
 
+echo -e "${GREEN}🔐 生成 SHA256SUMS...${NC}"
+if command -v sha256sum &> /dev/null; then
+    cd "$DIST_DIR"
+    : > SHA256SUMS
+    for f in *; do
+        [ -f "$f" ] || continue
+        sha256sum "$f" >> SHA256SUMS
+    done
+    cd ..
+elif command -v shasum &> /dev/null; then
+    cd "$DIST_DIR"
+    : > SHA256SUMS
+    for f in *; do
+        [ -f "$f" ] || continue
+        shasum -a 256 "$f" >> SHA256SUMS
+    done
+    cd ..
+else
+    echo -e "${YELLOW}   ⚠️  未找到 sha256sum/shasum，跳过校验文件生成。${NC}"
+fi
+
+echo ""
 echo -e "${GREEN}🎉 所有任务完成！构建产物在 'dist/' 目录下：${NC}"
-ls -1 "$DIST_DIR"
+ls -lh "$DIST_DIR"
+echo ""
+echo -e "${GREEN}📋 支持的平台：${NC}"
+echo "   • macOS (Intel/Apple Silicon): .dmg"
+echo "   • Windows (x64/ARM64): .exe"
+echo "   • Linux (x64/ARM64): .tar.gz"
+echo ""
+echo -e "${YELLOW}💡 提示：Linux AppImage 包请使用 GitHub Actions CI/CD 构建。${NC}"

build/darwin/Info.dev.plist

@@ -0,0 +1,68 @@
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>CFBundlePackageType</key>
+        <string>APPL</string>
+        <key>CFBundleName</key>
+        <string>{{.Info.ProductName}}</string>
+        <key>CFBundleExecutable</key>
+        <string>{{.OutputFilename}}</string>
+        <key>CFBundleIdentifier</key>
+        <string>com.wails.{{.Name}}.dev</string>
+        <key>CFBundleVersion</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleGetInfoString</key>
+        <string>{{.Info.Comments}}</string>
+        <key>CFBundleShortVersionString</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleIconFile</key>
+        <string>iconfile</string>
+        <key>LSMinimumSystemVersion</key>
+        <string>10.13.0</string>
+        <key>NSHighResolutionCapable</key>
+        <string>true</string>
+        <key>NSHumanReadableCopyright</key>
+        <string>{{.Info.Copyright}}</string>
+        {{if .Info.FileAssociations}}
+        <key>CFBundleDocumentTypes</key>
+        <array>
+          {{range .Info.FileAssociations}}
+          <dict>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+              <string>{{.Ext}}</string>
+            </array>
+            <key>CFBundleTypeName</key>
+            <string>{{.Name}}</string>
+            <key>CFBundleTypeRole</key>
+            <string>{{.Role}}</string>
+            <key>CFBundleTypeIconFile</key>
+            <string>{{.IconName}}</string>
+          </dict>
+          {{end}}
+        </array>
+        {{end}}
+        {{if .Info.Protocols}}
+        <key>CFBundleURLTypes</key>
+        <array>
+          {{range .Info.Protocols}}
+            <dict>
+                <key>CFBundleURLName</key>
+                <string>com.wails.{{.Scheme}}</string>
+                <key>CFBundleURLSchemes</key>
+                <array>
+                    <string>{{.Scheme}}</string>
+                </array>
+                <key>CFBundleTypeRole</key>
+                <string>{{.Role}}</string>
+            </dict>
+          {{end}}
+        </array>
+        {{end}}
+        <key>NSAppTransportSecurity</key>
+        <dict>
+            <key>NSAllowsLocalNetworking</key>
+            <true/>
+        </dict>
+    </dict>
+</plist>

build/darwin/Info.plist

@@ -0,0 +1,63 @@
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>CFBundlePackageType</key>
+        <string>APPL</string>
+        <key>CFBundleName</key>
+        <string>{{.Info.ProductName}}</string>
+        <key>CFBundleExecutable</key>
+        <string>{{.OutputFilename}}</string>
+        <key>CFBundleIdentifier</key>
+        <string>com.wails.{{.Name}}</string>
+        <key>CFBundleVersion</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleGetInfoString</key>
+        <string>{{.Info.Comments}}</string>
+        <key>CFBundleShortVersionString</key>
+        <string>{{.Info.ProductVersion}}</string>
+        <key>CFBundleIconFile</key>
+        <string>iconfile</string>
+        <key>LSMinimumSystemVersion</key>
+        <string>10.13.0</string>
+        <key>NSHighResolutionCapable</key>
+        <string>true</string>
+        <key>NSHumanReadableCopyright</key>
+        <string>{{.Info.Copyright}}</string>
+        {{if .Info.FileAssociations}}
+        <key>CFBundleDocumentTypes</key>
+        <array>
+          {{range .Info.FileAssociations}}
+          <dict>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+              <string>{{.Ext}}</string>
+            </array>
+            <key>CFBundleTypeName</key>
+            <string>{{.Name}}</string>
+            <key>CFBundleTypeRole</key>
+            <string>{{.Role}}</string>
+            <key>CFBundleTypeIconFile</key>
+            <string>{{.IconName}}</string>
+          </dict>
+          {{end}}
+        </array>
+        {{end}}
+        {{if .Info.Protocols}}
+        <key>CFBundleURLTypes</key>
+        <array>
+          {{range .Info.Protocols}}
+            <dict>
+                <key>CFBundleURLName</key>
+                <string>com.wails.{{.Scheme}}</string>
+                <key>CFBundleURLSchemes</key>
+                <array>
+                    <string>{{.Scheme}}</string>
+                </array>
+                <key>CFBundleTypeRole</key>
+                <string>{{.Role}}</string>
+            </dict>
+          {{end}}
+        </array>
+        {{end}}
+    </dict>
+</plist>

build/windows/info.json

@@ -0,0 +1,15 @@
+{
+	"fixed": {
+		"file_version": "{{.Info.ProductVersion}}"
+	},
+	"info": {
+		"0000": {
+			"ProductVersion": "{{.Info.ProductVersion}}",
+			"CompanyName": "{{.Info.CompanyName}}",
+			"FileDescription": "{{.Info.ProductName}}",
+			"LegalCopyright": "{{.Info.Copyright}}",
+			"ProductName": "{{.Info.ProductName}}",
+			"Comments": "{{.Info.Comments}}"
+		}
+	}
+}

build/windows/wails.exe.manifest

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+    <assemblyIdentity type="win32" name="com.wails.{{.Name}}" version="{{.Info.ProductVersion}}.0" processorArchitecture="*"/>
+    <dependency>
+        <dependentAssembly>
+            <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
+        </dependentAssembly>
+    </dependency>
+    <asmv3:application>
+        <asmv3:windowsSettings>
+            <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/pm</dpiAware> <!-- fallback for Windows 7 and 8 -->
+            <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">permonitorv2,permonitor</dpiAwareness> <!-- falls back to per-monitor if per-monitor v2 is not supported -->
+        </asmv3:windowsSettings>
+    </asmv3:application>
+</assembly>

cmd/mysql-driver-agent/main.go

@@ -0,0 +1,227 @@
+//go:build gonavi_mysql_driver
+
+package main
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
+)
+
+type mysqlAgentRequest struct {
+	ID        int64                        `json:"id"`
+	Method    string                       `json:"method"`
+	Config    *connection.ConnectionConfig `json:"config,omitempty"`
+	Query     string                       `json:"query,omitempty"`
+	DBName    string                       `json:"dbName,omitempty"`
+	TableName string                       `json:"tableName,omitempty"`
+	Changes   *connection.ChangeSet        `json:"changes,omitempty"`
+}
+
+type mysqlAgentResponse struct {
+	ID           int64       `json:"id"`
+	Success      bool        `json:"success"`
+	Error        string      `json:"error,omitempty"`
+	Data         interface{} `json:"data,omitempty"`
+	Fields       []string    `json:"fields,omitempty"`
+	RowsAffected int64       `json:"rowsAffected,omitempty"`
+}
+
+const (
+	mysqlAgentMethodConnect       = "connect"
+	mysqlAgentMethodClose         = "close"
+	mysqlAgentMethodPing          = "ping"
+	mysqlAgentMethodQuery         = "query"
+	mysqlAgentMethodExec          = "exec"
+	mysqlAgentMethodGetDatabases  = "getDatabases"
+	mysqlAgentMethodGetTables     = "getTables"
+	mysqlAgentMethodGetCreateStmt = "getCreateStatement"
+	mysqlAgentMethodGetColumns    = "getColumns"
+	mysqlAgentMethodGetAllColumns = "getAllColumns"
+	mysqlAgentMethodGetIndexes    = "getIndexes"
+	mysqlAgentMethodGetForeignKey = "getForeignKeys"
+	mysqlAgentMethodGetTriggers   = "getTriggers"
+	mysqlAgentMethodApplyChanges  = "applyChanges"
+)
+
+func main() {
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Buffer(make([]byte, 0, 16<<10), 8<<20)
+	writer := bufio.NewWriter(os.Stdout)
+	defer writer.Flush()
+
+	var inst *db.MySQLDB
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" {
+			continue
+		}
+
+		var req mysqlAgentRequest
+		if err := json.Unmarshal([]byte(line), &req); err != nil {
+			_ = writeResponse(writer, mysqlAgentResponse{
+				ID:      req.ID,
+				Success: false,
+				Error:   fmt.Sprintf("解析请求失败：%v", err),
+			})
+			continue
+		}
+
+		resp := handleRequest(&inst, req)
+		if err := writeResponse(writer, resp); err != nil {
+			fmt.Fprintf(os.Stderr, "写入响应失败：%v\n", err)
+			break
+		}
+	}
+
+	if inst != nil {
+		_ = inst.Close()
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Fprintf(os.Stderr, "读取请求失败：%v\n", err)
+	}
+}
+
+func handleRequest(inst **db.MySQLDB, req mysqlAgentRequest) mysqlAgentResponse {
+	resp := mysqlAgentResponse{
+		ID:      req.ID,
+		Success: true,
+	}
+
+	switch strings.TrimSpace(req.Method) {
+	case mysqlAgentMethodConnect:
+		if req.Config == nil {
+			return fail(resp, "连接配置为空")
+		}
+		if *inst != nil {
+			_ = (*inst).Close()
+		}
+		next := &db.MySQLDB{}
+		if err := next.Connect(*req.Config); err != nil {
+			return fail(resp, err.Error())
+		}
+		*inst = next
+		return resp
+	case mysqlAgentMethodClose:
+		if *inst != nil {
+			if err := (*inst).Close(); err != nil {
+				return fail(resp, err.Error())
+			}
+			*inst = nil
+		}
+		return resp
+	}
+
+	if *inst == nil {
+		return fail(resp, "connection not open")
+	}
+
+	switch strings.TrimSpace(req.Method) {
+	case mysqlAgentMethodPing:
+		if err := (*inst).Ping(); err != nil {
+			return fail(resp, err.Error())
+		}
+	case mysqlAgentMethodQuery:
+		data, fields, err := (*inst).Query(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+		resp.Fields = fields
+	case mysqlAgentMethodExec:
+		affected, err := (*inst).Exec(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.RowsAffected = affected
+	case mysqlAgentMethodGetDatabases:
+		data, err := (*inst).GetDatabases()
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetTables:
+		data, err := (*inst).GetTables(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetCreateStmt:
+		data, err := (*inst).GetCreateStatement(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetColumns:
+		data, err := (*inst).GetColumns(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetAllColumns:
+		data, err := (*inst).GetAllColumns(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetIndexes:
+		data, err := (*inst).GetIndexes(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetForeignKey:
+		data, err := (*inst).GetForeignKeys(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodGetTriggers:
+		data, err := (*inst).GetTriggers(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case mysqlAgentMethodApplyChanges:
+		if req.Changes == nil {
+			return fail(resp, "变更集为空")
+		}
+		applier, ok := interface{}(*inst).(interface {
+			ApplyChanges(tableName string, changes connection.ChangeSet) error
+		})
+		if !ok {
+			return fail(resp, "当前驱动不支持 ApplyChanges")
+		}
+		if err := applier.ApplyChanges(req.TableName, *req.Changes); err != nil {
+			return fail(resp, err.Error())
+		}
+	default:
+		return fail(resp, "不支持的方法")
+	}
+
+	return resp
+}
+
+func writeResponse(writer *bufio.Writer, resp mysqlAgentResponse) error {
+	payload, err := json.Marshal(resp)
+	if err != nil {
+		return err
+	}
+	payload = append(payload, '\n')
+	if _, err := writer.Write(payload); err != nil {
+		return err
+	}
+	return writer.Flush()
+}
+
+func fail(resp mysqlAgentResponse, errText string) mysqlAgentResponse {
+	resp.Success = false
+	resp.Error = strings.TrimSpace(errText)
+	return resp
+}

cmd/optional-driver-agent/main.go

@@ -0,0 +1,236 @@
+package main
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
+)
+
+type agentRequest struct {
+	ID        int64                        `json:"id"`
+	Method    string                       `json:"method"`
+	Config    *connection.ConnectionConfig `json:"config,omitempty"`
+	Query     string                       `json:"query,omitempty"`
+	DBName    string                       `json:"dbName,omitempty"`
+	TableName string                       `json:"tableName,omitempty"`
+	Changes   *connection.ChangeSet        `json:"changes,omitempty"`
+}
+
+type agentResponse struct {
+	ID           int64       `json:"id"`
+	Success      bool        `json:"success"`
+	Error        string      `json:"error,omitempty"`
+	Data         interface{} `json:"data,omitempty"`
+	Fields       []string    `json:"fields,omitempty"`
+	RowsAffected int64       `json:"rowsAffected,omitempty"`
+}
+
+const (
+	agentMethodConnect       = "connect"
+	agentMethodClose         = "close"
+	agentMethodPing          = "ping"
+	agentMethodQuery         = "query"
+	agentMethodExec          = "exec"
+	agentMethodGetDatabases  = "getDatabases"
+	agentMethodGetTables     = "getTables"
+	agentMethodGetCreateStmt = "getCreateStatement"
+	agentMethodGetColumns    = "getColumns"
+	agentMethodGetAllColumns = "getAllColumns"
+	agentMethodGetIndexes    = "getIndexes"
+	agentMethodGetForeignKey = "getForeignKeys"
+	agentMethodGetTriggers   = "getTriggers"
+	agentMethodApplyChanges  = "applyChanges"
+)
+
+var (
+	agentDriverType      string
+	agentDatabaseFactory func() db.Database
+)
+
+func main() {
+	if agentDatabaseFactory == nil || strings.TrimSpace(agentDriverType) == "" {
+		fmt.Fprintf(os.Stderr, "未配置驱动代理 provider，请使用 gonavi_<driver>_driver 标签构建\n")
+		os.Exit(2)
+	}
+
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Buffer(make([]byte, 0, 16<<10), 8<<20)
+	writer := bufio.NewWriter(os.Stdout)
+	defer writer.Flush()
+
+	var inst db.Database
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" {
+			continue
+		}
+
+		var req agentRequest
+		if err := json.Unmarshal([]byte(line), &req); err != nil {
+			_ = writeResponse(writer, agentResponse{
+				ID:      req.ID,
+				Success: false,
+				Error:   fmt.Sprintf("解析请求失败：%v", err),
+			})
+			continue
+		}
+
+		resp := handleRequest(&inst, req)
+		if err := writeResponse(writer, resp); err != nil {
+			fmt.Fprintf(os.Stderr, "写入响应失败：%v\n", err)
+			break
+		}
+	}
+
+	if inst != nil {
+		_ = inst.Close()
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Fprintf(os.Stderr, "读取请求失败：%v\n", err)
+	}
+}
+
+func handleRequest(inst *db.Database, req agentRequest) agentResponse {
+	resp := agentResponse{ID: req.ID, Success: true}
+	method := strings.TrimSpace(req.Method)
+
+	switch method {
+	case agentMethodConnect:
+		if req.Config == nil {
+			return fail(resp, "连接配置为空")
+		}
+		if *inst != nil {
+			_ = (*inst).Close()
+		}
+		next := agentDatabaseFactory()
+		if next == nil {
+			return fail(resp, "驱动代理初始化失败")
+		}
+		if err := next.Connect(*req.Config); err != nil {
+			return fail(resp, err.Error())
+		}
+		*inst = next
+		return resp
+	case agentMethodClose:
+		if *inst != nil {
+			if err := (*inst).Close(); err != nil {
+				return fail(resp, err.Error())
+			}
+			*inst = nil
+		}
+		return resp
+	}
+
+	if *inst == nil {
+		return fail(resp, "connection not open")
+	}
+
+	switch method {
+	case agentMethodPing:
+		if err := (*inst).Ping(); err != nil {
+			return fail(resp, err.Error())
+		}
+	case agentMethodQuery:
+		data, fields, err := (*inst).Query(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+		resp.Fields = fields
+	case agentMethodExec:
+		affected, err := (*inst).Exec(req.Query)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.RowsAffected = affected
+	case agentMethodGetDatabases:
+		data, err := (*inst).GetDatabases()
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetTables:
+		data, err := (*inst).GetTables(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetCreateStmt:
+		data, err := (*inst).GetCreateStatement(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetColumns:
+		data, err := (*inst).GetColumns(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetAllColumns:
+		data, err := (*inst).GetAllColumns(req.DBName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetIndexes:
+		data, err := (*inst).GetIndexes(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetForeignKey:
+		data, err := (*inst).GetForeignKeys(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodGetTriggers:
+		data, err := (*inst).GetTriggers(req.DBName, req.TableName)
+		if err != nil {
+			return fail(resp, err.Error())
+		}
+		resp.Data = data
+	case agentMethodApplyChanges:
+		if req.Changes == nil {
+			return fail(resp, "变更集为空")
+		}
+		applier, ok := (*inst).(interface {
+			ApplyChanges(tableName string, changes connection.ChangeSet) error
+		})
+		if !ok {
+			return fail(resp, "当前驱动不支持 ApplyChanges")
+		}
+		if err := applier.ApplyChanges(req.TableName, *req.Changes); err != nil {
+			return fail(resp, err.Error())
+		}
+	default:
+		return fail(resp, "不支持的方法")
+	}
+
+	return resp
+}
+
+func writeResponse(writer *bufio.Writer, resp agentResponse) error {
+	payload, err := json.Marshal(resp)
+	if err != nil {
+		return err
+	}
+	payload = append(payload, '\n')
+	if _, err := writer.Write(payload); err != nil {
+		return err
+	}
+	return writer.Flush()
+}
+
+func fail(resp agentResponse, errText string) agentResponse {
+	resp.Success = false
+	resp.Error = strings.TrimSpace(errText)
+	return resp
+}

cmd/optional-driver-agent/provider_clickhouse.go

@@ -0,0 +1,12 @@
+//go:build gonavi_clickhouse_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "clickhouse"
+	agentDatabaseFactory = func() db.Database {
+		return &db.ClickHouseDB{}
+	}
+}

cmd/optional-driver-agent/provider_dameng.go

@@ -0,0 +1,12 @@
+//go:build gonavi_dameng_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "dameng"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DamengDB{}
+	}
+}

cmd/optional-driver-agent/provider_diros.go

@@ -0,0 +1,12 @@
+//go:build gonavi_diros_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "diros"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DirosDB{}
+	}
+}

cmd/optional-driver-agent/provider_duckdb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_duckdb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "duckdb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.DuckDB{}
+	}
+}

cmd/optional-driver-agent/provider_highgo.go

@@ -0,0 +1,12 @@
+//go:build gonavi_highgo_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "highgo"
+	agentDatabaseFactory = func() db.Database {
+		return &db.HighGoDB{}
+	}
+}

cmd/optional-driver-agent/provider_kingbase.go

@@ -0,0 +1,12 @@
+//go:build gonavi_kingbase_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "kingbase"
+	agentDatabaseFactory = func() db.Database {
+		return &db.KingbaseDB{}
+	}
+}

cmd/optional-driver-agent/provider_mariadb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mariadb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mariadb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MariaDB{}
+	}
+}

cmd/optional-driver-agent/provider_mongodb.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mongodb_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mongodb"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MongoDB{}
+	}
+}

cmd/optional-driver-agent/provider_mysql.go

@@ -0,0 +1,12 @@
+//go:build gonavi_mysql_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "mysql"
+	agentDatabaseFactory = func() db.Database {
+		return &db.MySQLDB{}
+	}
+}

cmd/optional-driver-agent/provider_sphinx.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sphinx_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sphinx"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SphinxDB{}
+	}
+}

cmd/optional-driver-agent/provider_sqlite.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sqlite_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sqlite"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SQLiteDB{}
+	}
+}

cmd/optional-driver-agent/provider_sqlserver.go

@@ -0,0 +1,12 @@
+//go:build gonavi_sqlserver_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "sqlserver"
+	agentDatabaseFactory = func() db.Database {
+		return &db.SqlServerDB{}
+	}
+}

cmd/optional-driver-agent/provider_tdengine.go

@@ -0,0 +1,12 @@
+//go:build gonavi_tdengine_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "tdengine"
+	agentDatabaseFactory = func() db.Database {
+		return &db.TDengineDB{}
+	}
+}

cmd/optional-driver-agent/provider_vastbase.go

@@ -0,0 +1,12 @@
+//go:build gonavi_vastbase_driver
+
+package main
+
+import "GoNavi-Wails/internal/db"
+
+func init() {
+	agentDriverType = "vastbase"
+	agentDatabaseFactory = func() db.Database {
+		return &db.VastbaseDB{}
+	}
+}

docs/driver-manifest.json

@@ -0,0 +1,89 @@
+{
+  "engine": "go",
+  "drivers": {
+    "mariadb": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/mariadb"
+    },
+    "doris": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/doris"
+    },
+    "sphinx": {
+      "engine": "go",
+      "version": "1.9.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sphinx"
+    },
+    "sqlserver": {
+      "engine": "go",
+      "version": "1.9.6",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sqlserver"
+    },
+    "sqlite": {
+      "engine": "go",
+      "version": "1.44.3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/sqlite"
+    },
+    "duckdb": {
+      "engine": "go",
+      "version": "2.5.5",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/duckdb"
+    },
+    "dameng": {
+      "engine": "go",
+      "version": "1.8.22",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/dameng"
+    },
+    "kingbase": {
+      "engine": "go",
+      "version": "0.0.0-20201021123113-29bd62a876c3",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/kingbase"
+    },
+    "highgo": {
+      "engine": "go",
+      "version": "0.0.0-local",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/highgo"
+    },
+    "vastbase": {
+      "engine": "go",
+      "version": "1.11.1",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/vastbase"
+    },
+    "mongodb": {
+      "engine": "go",
+      "version": "2.5.0",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/mongodb"
+    },
+    "tdengine": {
+      "engine": "go",
+      "version": "3.7.8",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/tdengine"
+    },
+    "clickhouse": {
+      "engine": "go",
+      "version": "2.43.0",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/clickhouse"
+    },
+    "postgres": {
+      "engine": "go",
+      "version": "1.11.1",
+      "checksumPolicy": "off",
+      "downloadUrl": "builtin://activate/postgres"
+    }
+  }
+}

frontend/.gitignore

@@ -0,0 +1 @@
+.ace-tool/

frontend/index.html

@@ -2,7 +2,7 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <link rel="icon" type="image/svg+xml" href="/logo.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>GoNavi</title>
   </head>
@@ -10,4 +10,4 @@
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
   </body>
-</html>
+</html>

frontend/public/logo.svg

@@ -0,0 +1,52 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
+  <defs>
+    <!-- Background: Soft Light Grey -->
+    <linearGradient id="bgSoft" x1="0%" y1="0%" x2="0%" y2="100%">
+      <stop offset="0%" style="stop-color:#f5f7fa;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#c3cfe2;stop-opacity:1" />
+    </linearGradient>
+
+    <!-- Hexagon: Solid Tech Pink -->
+    <linearGradient id="solidPink" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#FF5F6D;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#FFC371;stop-opacity:1" /> 
+    </linearGradient>
+
+    <!-- N: Solid Tech Blue/Cyan -->
+    <linearGradient id="solidCyan" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#00c6ff;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#0072ff;stop-opacity:1" />
+    </linearGradient>
+
+    <filter id="hardShadow" x="-20%" y="-20%" width="140%" height="140%">
+      <feGaussianBlur in="SourceAlpha" stdDeviation="4"/>
+      <feOffset dx="4" dy="4" result="offsetblur"/>
+      <feComponentTransfer>
+        <feFuncA type="linear" slope="0.2"/>
+      </feComponentTransfer>
+      <feMerge>
+        <feMergeNode/>
+        <feMergeNode in="SourceGraphic"/>
+      </feMerge>
+    </filter>
+  </defs>
+
+  <!-- Background -->
+  <rect x="32" y="32" width="448" height="448" rx="100" fill="url(#bgSoft)" />
+
+  <!-- Main Content Centered -->
+  <g transform="translate(106, 106) scale(0.6)" filter="url(#hardShadow)">
+    
+    <!-- Hex G -->
+    <path d="M 250 0 L 466 125 L 466 375 L 250 500 L 34 375 L 34 125 Z" 
+          fill="none" stroke="url(#solidPink)" stroke-width="45" stroke-linejoin="round"/>
+          
+    <!-- G Crossbar -->
+    <path d="M 466 300 L 330 300" stroke="url(#solidPink)" stroke-width="45" stroke-linecap="round"/>
+
+    <!-- Inner N -->
+    <path d="M 160 350 L 160 150 L 340 350 L 340 150" 
+          fill="none" stroke="url(#solidCyan)" stroke-width="50" stroke-linecap="round" stroke-linejoin="round"/>
+
+  </g>
+</svg>

frontend/src/App.css

@@ -3,6 +3,11 @@ html, body, #root {
   margin: 0;
   padding: 0;
   overflow: hidden; /* Disable global scrollbar */
+  background-color: transparent !important; /* CRITICAL: Allow Wails window transparency */
+}
+
+body, #root {
+  border-radius: 14px; /* Slightly rounded app window corners */
 }
 
 /* 侧边栏 Tree 样式优化 */
@@ -30,4 +35,110 @@ html, body, #root {
   text-overflow: ellipsis;
   white-space: nowrap;
   padding-right: 8px;
-}
+}
+
+/* Scrollbar styling for dark mode */
+body[data-theme='dark'] ::-webkit-scrollbar {
+    width: 10px;
+    height: 10px;
+}
+body[data-theme='dark'] ::-webkit-scrollbar-track {
+    background: #1f1f1f;
+}
+body[data-theme='dark'] ::-webkit-scrollbar-corner {
+    background: #1f1f1f;
+}
+body[data-theme='dark'] ::-webkit-scrollbar-thumb {
+    background: #424242;
+    border-radius: 4px;
+    border: 2px solid #1f1f1f;
+}
+body[data-theme='dark'] ::-webkit-scrollbar-thumb:hover {
+    background: #666;
+}
+
+/* Ensure body background matches theme to avoid white flashes, but kept transparent for window composition */
+body {
+    transition: color 0.3s;
+}
+
+body[data-theme='dark'] {
+    /* 移除全局 text-shadow：对每个文本元素增加 GPU compositing 成本，
+       在透明窗口环境下会显著加剧 GPU 负载 */
+}
+
+/* 连接配置弹窗：滚动仅在弹窗 body 内部，不使用外层 wrap 滚动条 */
+.connection-modal-wrap {
+    overflow: hidden !important;
+}
+
+.connection-modal-wrap .ant-modal-content {
+    max-height: calc(100vh - 72px);
+    display: flex;
+    flex-direction: column;
+}
+
+.connection-modal-wrap .ant-modal-body {
+    flex: 1 1 auto;
+    min-height: 0;
+}
+
+.connection-modal-wrap .ant-modal-footer {
+    flex-shrink: 0;
+}
+
+/* Custom Title Bar Close Button Hover */
+.titlebar-close-btn:hover {
+    background-color: #ff4d4f !important;
+    color: #fff !important;
+}
+
+/* 驱动管理：统一关闭 antd sticky 横向条，仅保留自定义独立横向条 */
+.driver-manager-table .ant-table-sticky-scroll {
+    display: none !important;
+}
+
+/* 仅在独立横向条激活时隐藏表格自身横向滚动条，避免出现双横向条 */
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-content,
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-body {
+    overflow-x: auto !important;
+    -ms-overflow-style: none;
+    scrollbar-width: none;
+}
+
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-content::-webkit-scrollbar:horizontal,
+.driver-manager-table-wrap.driver-manager-table-wrap-external-active .driver-manager-table .ant-table-body::-webkit-scrollbar:horizontal {
+    height: 0 !important;
+}
+
+.driver-manager-table-wrap {
+    width: 100%;
+    max-width: 100%;
+    overflow-x: hidden;
+}
+
+.driver-manager-footer {
+    width: 100%;
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+}
+
+.driver-manager-footer-actions {
+    width: 100%;
+    display: flex;
+    justify-content: flex-end;
+}
+
+.driver-manager-hscroll {
+    width: 100%;
+    height: 12px;
+    overflow-x: auto;
+    overflow-y: hidden;
+    scrollbar-gutter: stable;
+    background: transparent;
+}
+
+.driver-manager-hscroll-inner {
+    height: 1px;
+}

frontend/src/components/DataViewer.tsx

@@ -2,41 +2,251 @@ import React, { useEffect, useState, useCallback, useRef } from 'react';
 import { message } from 'antd';
 import { TabData, ColumnDefinition } from '../types';
 import { useStore } from '../store';
-import { DBQuery, DBGetColumns } from '../../wailsjs/go/app/App';
+import { DBQuery, DBGetColumns, DBQueryIsolated } from '../../wailsjs/go/app/App';
 import DataGrid, { GONAVI_ROW_KEY } from './DataGrid';
-import { buildWhereSQL, quoteIdentPart, quoteQualifiedIdent } from '../utils/sql';
+import { buildOrderBySQL, buildWhereSQL, quoteQualifiedIdent, withSortBufferTuningSQL, type FilterCondition } from '../utils/sql';
+
+type ViewerPaginationState = {
+  current: number;
+  pageSize: number;
+  total: number;
+  totalKnown: boolean;
+  totalApprox: boolean;
+  totalCountLoading: boolean;
+  totalCountCancelled: boolean;
+};
+
+const toNonNegativeFiniteNumber = (value: unknown): number | null => {
+  if (typeof value === 'number') {
+    return Number.isFinite(value) && value >= 0 ? value : null;
+  }
+  if (typeof value === 'bigint') {
+    return value >= 0n ? Number(value) : null;
+  }
+  if (typeof value === 'string') {
+    const text = value.trim();
+    if (!text) return null;
+    const parsed = Number(text);
+    return Number.isFinite(parsed) && parsed >= 0 ? parsed : null;
+  }
+  return null;
+};
+
+const parseTotalFromCountRow = (row: any): number | null => {
+  if (!row || typeof row !== 'object') return null;
+  const entries = Object.entries(row as Record<string, unknown>);
+  if (entries.length === 0) return null;
+
+  for (const [key, raw] of entries) {
+    const normalized = String(key || '').trim().toLowerCase();
+    if (normalized === 'total' || normalized === 'count' || normalized.includes('count')) {
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+
+  for (const [, raw] of entries) {
+    const parsed = toNonNegativeFiniteNumber(raw);
+    if (parsed !== null) return parsed;
+  }
+
+  return null;
+};
+
+const parseDuckDBApproxTotalRow = (row: any): number | null => {
+  if (!row || typeof row !== 'object') return null;
+  const entries = Object.entries(row as Record<string, unknown>);
+  if (entries.length === 0) return null;
+
+  const preferredKeys = ['approx_total', 'estimated_size', 'estimated_rows', 'row_count', 'count', 'total'];
+  for (const preferred of preferredKeys) {
+    for (const [key, raw] of entries) {
+      if (String(key || '').trim().toLowerCase() !== preferred) continue;
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+
+  for (const [key, raw] of entries) {
+    const normalized = String(key || '').trim().toLowerCase();
+    if (normalized.includes('estimate') || normalized.includes('row') || normalized.includes('count') || normalized.includes('total')) {
+      const parsed = toNonNegativeFiniteNumber(raw);
+      if (parsed !== null) return parsed;
+    }
+  }
+  return null;
+};
+
+const normalizeDuckDBIdentifier = (raw: string): string => {
+  const text = String(raw || '').trim();
+  if (text.length >= 2) {
+    const first = text[0];
+    const last = text[text.length - 1];
+    if ((first === '"' && last === '"') || (first === '`' && last === '`')) {
+      return text.slice(1, -1).trim();
+    }
+  }
+  return text;
+};
+
+const resolveDuckDBSchemaAndTable = (dbName: string, tableName: string) => {
+  const rawTable = String(tableName || '').trim();
+  if (!rawTable) return { schemaName: 'main', pureTableName: '' };
+
+  const parts = rawTable.split('.');
+  if (parts.length >= 2) {
+    const pureTableName = normalizeDuckDBIdentifier(parts[parts.length - 1]);
+    const schemaName = normalizeDuckDBIdentifier(parts[parts.length - 2]);
+    if (schemaName && pureTableName) {
+      return { schemaName, pureTableName };
+    }
+  }
+
+  const fallbackSchema = normalizeDuckDBIdentifier(String(dbName || '').trim()) || 'main';
+  return { schemaName: fallbackSchema, pureTableName: normalizeDuckDBIdentifier(rawTable) };
+};
+
+const escapeSQLLiteral = (value: string): string => String(value || '').replace(/'/g, "''");
 
 const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
   const [data, setData] = useState<any[]>([]);
   const [columnNames, setColumnNames] = useState<string[]>([]);
   const [pkColumns, setPkColumns] = useState<string[]>([]);
   const [loading, setLoading] = useState(false);
-  const { connections, addSqlLog } = useStore();
+  const connections = useStore(state => state.connections);
+  const addSqlLog = useStore(state => state.addSqlLog);
   const fetchSeqRef = useRef(0);
   const countSeqRef = useRef(0);
   const countKeyRef = useRef<string>('');
+  const duckdbApproxSeqRef = useRef(0);
+  const duckdbApproxKeyRef = useRef<string>('');
+  const manualCountSeqRef = useRef(0);
+  const manualCountKeyRef = useRef<string>('');
   const pkSeqRef = useRef(0);
   const pkKeyRef = useRef<string>('');
+  const latestConfigRef = useRef<any>(null);
+  const latestDbTypeRef = useRef<string>('');
+  const latestDbNameRef = useRef<string>('');
+  const latestCountSqlRef = useRef<string>('');
+  const latestCountKeyRef = useRef<string>('');
 
-  const [pagination, setPagination] = useState({
+  const [pagination, setPagination] = useState<ViewerPaginationState>({
       current: 1,
       pageSize: 100,
       total: 0,
-      totalKnown: false
+      totalKnown: false,
+      totalApprox: false,
+      totalCountLoading: false,
+      totalCountCancelled: false,
   });
 
   const [sortInfo, setSortInfo] = useState<{ columnKey: string, order: string } | null>(null);
   
   const [showFilter, setShowFilter] = useState(false);
-  const [filterConditions, setFilterConditions] = useState<any[]>([]);
+  const [filterConditions, setFilterConditions] = useState<FilterCondition[]>([]);
+  const currentConnType = (connections.find(c => c.id === tab.connectionId)?.config?.type || '').toLowerCase();
+  const forceReadOnly = currentConnType === 'tdengine' || currentConnType === 'clickhouse';
+
+  const runIsolatedQuery = useCallback(async (queryConfig: any, dbName: string, sql: string) => {
+    return DBQueryIsolated(queryConfig as any, dbName, sql);
+  }, []);
 
   useEffect(() => {
     setPkColumns([]);
     pkKeyRef.current = '';
     countKeyRef.current = '';
-    setPagination(prev => ({ ...prev, current: 1, total: 0, totalKnown: false }));
+    duckdbApproxKeyRef.current = '';
+    manualCountKeyRef.current = '';
+    latestConfigRef.current = null;
+    latestDbTypeRef.current = '';
+    latestDbNameRef.current = '';
+    latestCountSqlRef.current = '';
+    latestCountKeyRef.current = '';
+    setPagination(prev => ({
+      ...prev,
+      current: 1,
+      total: 0,
+      totalKnown: false,
+      totalApprox: false,
+      totalCountLoading: false,
+      totalCountCancelled: false,
+    }));
   }, [tab.connectionId, tab.dbName, tab.tableName]);
 
+  const handleDuckDBManualCount = useCallback(async () => {
+    if (latestDbTypeRef.current !== 'duckdb') {
+      return;
+    }
+    const config = latestConfigRef.current;
+    const dbName = latestDbNameRef.current;
+    const countSql = latestCountSqlRef.current;
+    const countKey = latestCountKeyRef.current;
+
+    if (!config || !countSql || !countKey) {
+      message.warning('当前结果集尚未就绪，请先执行一次加载');
+      return;
+    }
+
+    manualCountKeyRef.current = countKey;
+    const countSeq = ++manualCountSeqRef.current;
+    const countStart = Date.now();
+    setPagination(prev => ({ ...prev, totalCountLoading: true, totalCountCancelled: false }));
+    const countConfig: any = { ...(config as any), timeout: 120 };
+
+    try {
+      const resCount = await runIsolatedQuery(countConfig, dbName, countSql);
+      const countDuration = Date.now() - countStart;
+      addSqlLog({
+        id: `log-${Date.now()}-duckdb-manual-count`,
+        timestamp: Date.now(),
+        sql: countSql,
+        status: resCount?.success ? 'success' : 'error',
+        duration: countDuration,
+        message: resCount?.success ? '' : String(resCount?.message || '统计失败'),
+        dbName
+      });
+
+      if (manualCountSeqRef.current !== countSeq) return;
+      if (manualCountKeyRef.current !== countKey) return;
+
+      if (!resCount?.success) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        message.error(String(resCount?.message || '统计总数失败'));
+        return;
+      }
+      if (!Array.isArray(resCount.data) || resCount.data.length === 0) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        return;
+      }
+
+      const total = parseTotalFromCountRow(resCount.data[0]);
+      if (total === null) {
+        setPagination(prev => ({ ...prev, totalCountLoading: false }));
+        message.error('统计结果解析失败');
+        return;
+      }
+
+      setPagination(prev => ({
+        ...prev,
+        total,
+        totalKnown: true,
+        totalApprox: false,
+        totalCountLoading: false,
+        totalCountCancelled: false,
+      }));
+    } catch (e: any) {
+      if (manualCountSeqRef.current !== countSeq) return;
+      if (manualCountKeyRef.current !== countKey) return;
+      setPagination(prev => ({ ...prev, totalCountLoading: false }));
+      message.error(`统计总数失败: ${String(e?.message || e)}`);
+    }
+  }, [addSqlLog, runIsolatedQuery]);
+
+  const handleDuckDBCancelManualCount = useCallback(() => {
+    manualCountSeqRef.current++;
+    setPagination(prev => ({ ...prev, totalCountLoading: false, totalCountCancelled: true }));
+  }, []);
+
   const fetchData = useCallback(async (page = pagination.current, size = pagination.pageSize) => {
     const seq = ++fetchSeqRef.current;
     setLoading(true);
@@ -57,6 +267,8 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
     };
 
     const dbType = config.type || '';
+    const dbTypeLower = String(dbType || '').trim().toLowerCase();
+    const isMySQLFamily = dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros';
 
     const dbName = tab.dbName || '';
     const tableName = tab.tableName || '';
@@ -66,31 +278,51 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
     const countSql = `SELECT COUNT(*) as total FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
     
     let sql = `SELECT * FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
-    if (sortInfo && sortInfo.order) {
-        sql += ` ORDER BY ${quoteIdentPart(dbType, sortInfo.columnKey)} ${sortInfo.order === 'ascend' ? 'ASC' : 'DESC'}`;
-    }
+    sql += buildOrderBySQL(dbType, sortInfo, pkColumns);
     const offset = (page - 1) * size;
     // 大表性能：打开表不阻塞在 COUNT(*)，先通过多取 1 条判断是否还有下一页；总数在后台统计并异步回填。
     sql += ` LIMIT ${size + 1} OFFSET ${offset}`;
 
-    const startTime = Date.now();
+    const requestStartTime = Date.now();
+    let executedSql = sql;
     try {
-        const pData = DBQuery(config as any, dbName, sql);
+        const executeDataQuery = async (querySql: string, attemptLabel: string) => {
+            const startTime = Date.now();
+            const result = await DBQuery(config as any, dbName, querySql);
+            addSqlLog({
+                id: `log-${Date.now()}-data`,
+                timestamp: Date.now(),
+                sql: querySql,
+                status: result.success ? 'success' : 'error',
+                duration: Date.now() - startTime,
+                message: result.success ? '' : `${attemptLabel}: ${result.message}`,
+                affectedRows: Array.isArray(result.data) ? result.data.length : undefined,
+                dbName
+            });
+            return result;
+        };
 
-        const resData = await pData;
-        const duration = Date.now() - startTime;
-        
-        // Log Execution
-        addSqlLog({
-            id: `log-${Date.now()}-data`,
-            timestamp: Date.now(),
-            sql: sql,
-            status: resData.success ? 'success' : 'error',
-            duration: duration,
-            message: resData.success ? '' : resData.message,
-            affectedRows: Array.isArray(resData.data) ? resData.data.length : undefined,
-            dbName
-        });
+        const hasSort = !!sortInfo?.columnKey && (sortInfo?.order === 'ascend' || sortInfo?.order === 'descend');
+        const isSortMemoryErr = (msg: string) => /error\s*1038|out of sort memory/i.test(String(msg || ''));
+        let resData = await executeDataQuery(sql, '主查询');
+
+        if (!resData.success && isMySQLFamily && hasSort && isSortMemoryErr(resData.message)) {
+            const retrySql32MB = withSortBufferTuningSQL(dbType, sql, 32 * 1024 * 1024);
+            if (retrySql32MB !== sql) {
+                executedSql = retrySql32MB;
+                resData = await executeDataQuery(retrySql32MB, '重试(32MB sort_buffer)');
+            }
+            if (!resData.success && isSortMemoryErr(resData.message)) {
+                const retrySql128MB = withSortBufferTuningSQL(dbType, sql, 128 * 1024 * 1024);
+                if (retrySql128MB !== executedSql) {
+                    executedSql = retrySql128MB;
+                    resData = await executeDataQuery(retrySql128MB, '重试(128MB sort_buffer)');
+                }
+            }
+            if (resData.success) {
+                message.warning('已自动提升排序缓冲并重试成功。');
+            }
+        }
         
         if (pkColumns.length === 0) {
             const pkKey = `${tab.connectionId}|${dbName}|${tableName}`;
@@ -132,25 +364,73 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
             const countKey = `${tab.connectionId}|${dbName}|${tableName}|${whereSQL}`;
             const derivedTotalKnown = !hasMore;
             const derivedTotal = derivedTotalKnown ? offset + resultData.length : page * size + 1;
+            const isDuckDB = dbTypeLower === 'duckdb';
+            const minExpectedTotal = hasMore ? offset + resultData.length + 1 : offset + resultData.length;
             if (derivedTotalKnown) countKeyRef.current = countKey;
+            latestConfigRef.current = config;
+            latestDbTypeRef.current = dbTypeLower;
+            latestDbNameRef.current = dbName;
+            latestCountSqlRef.current = countSql;
+            latestCountKeyRef.current = countKey;
 
             setPagination(prev => {
                 if (derivedTotalKnown) {
-                    return { ...prev, current: page, pageSize: size, total: derivedTotal, totalKnown: true };
+                    return {
+                        ...prev,
+                        current: page,
+                        pageSize: size,
+                        total: derivedTotal,
+                        totalKnown: true,
+                        totalApprox: false,
+                        totalCountLoading: false,
+                        totalCountCancelled: false,
+                    };
                 }
                 if (prev.totalKnown && countKeyRef.current === countKey) {
-                    return { ...prev, current: page, pageSize: size };
+                    if (!isDuckDB) {
+                        return { ...prev, current: page, pageSize: size };
+                    }
+                    // 当当前页存在“下一页”信号时，已知总数至少应大于当前页末尾。
+                    // 若旧总数不满足该条件（例如历史统计值为 0），降级为未知总数并回退到 derivedTotal。
+                    if (Number.isFinite(prev.total) && prev.total >= minExpectedTotal) {
+                        return { ...prev, current: page, pageSize: size };
+                    }
                 }
-                return { ...prev, current: page, pageSize: size, total: derivedTotal, totalKnown: false };
+                const keepManualCounting = prev.totalCountLoading && manualCountKeyRef.current === countKey;
+                if (isDuckDB && prev.totalApprox && duckdbApproxKeyRef.current === countKey && Number.isFinite(prev.total) && prev.total >= minExpectedTotal) {
+                    return {
+                        ...prev,
+                        current: page,
+                        pageSize: size,
+                        totalKnown: false,
+                        totalApprox: true,
+                        totalCountLoading: keepManualCounting,
+                        totalCountCancelled: false,
+                    };
+                }
+                return {
+                    ...prev,
+                    current: page,
+                    pageSize: size,
+                    total: derivedTotal,
+                    totalKnown: false,
+                    totalApprox: false,
+                    totalCountLoading: keepManualCounting,
+                    totalCountCancelled: keepManualCounting ? false : prev.totalCountCancelled,
+                };
             });
 
-            if (!derivedTotalKnown) {
+            const shouldRunAsyncCount = !derivedTotalKnown && !isDuckDB;
+            if (shouldRunAsyncCount) {
                 if (countKeyRef.current !== countKey) {
                     countKeyRef.current = countKey;
                     const countSeq = ++countSeqRef.current;
                     const countStart = Date.now();
+                    // 大表 COUNT(*) 可能非常慢，且在部分运行时环境下会影响后续操作响应；
+                    // DuckDB 大文件场景下该统计会显著拖慢翻页，已禁用后台 COUNT。
+                    const countConfig: any = { ...(config as any), timeout: 5 };
 
-                    DBQuery(config as any, dbName, countSql)
+                    DBQuery(countConfig, dbName, countSql)
                         .then((resCount: any) => {
                             const countDuration = Date.now() - countStart;
 
@@ -170,10 +450,21 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
                             if (!resCount.success) return;
                             if (!Array.isArray(resCount.data) || resCount.data.length === 0) return;
 
-                            const total = Number(resCount.data[0]?.['total']);
-                            if (!Number.isFinite(total) || total < 0) return;
+                            let total: number | null = null;
+                            const parsed = Number(resCount.data[0]?.['total']);
+                            if (Number.isFinite(parsed) && parsed >= 0) {
+                                total = parsed;
+                            }
+                            if (total === null) return;
 
-                            setPagination(prev => ({ ...prev, total, totalKnown: true }));
+                            setPagination(prev => ({
+                                ...prev,
+                                total,
+                                totalKnown: true,
+                                totalApprox: false,
+                                totalCountLoading: false,
+                                totalCountCancelled: false,
+                            }));
                         })
                         .catch(() => {
                             if (countSeqRef.current !== countSeq) return;
@@ -182,8 +473,52 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
                         });
                 }
             }
+
+            if (isDuckDB && !derivedTotalKnown && whereSQL.trim() === '' && duckdbApproxKeyRef.current !== countKey) {
+                duckdbApproxKeyRef.current = countKey;
+                const approxSeq = ++duckdbApproxSeqRef.current;
+                const { schemaName, pureTableName } = resolveDuckDBSchemaAndTable(dbName, tableName);
+                const escapedSchema = escapeSQLLiteral(schemaName);
+                const escapedTable = escapeSQLLiteral(pureTableName);
+                const approxConfig: any = { ...(config as any), timeout: 3 };
+                const approxSqlCandidates = [
+                    `SELECT estimated_size AS approx_total FROM duckdb_tables() WHERE schema_name='${escapedSchema}' AND table_name='${escapedTable}' LIMIT 1`,
+                    `SELECT estimated_size AS approx_total FROM duckdb_tables() WHERE table_name='${escapedTable}' ORDER BY CASE WHEN schema_name='${escapedSchema}' THEN 0 ELSE 1 END LIMIT 1`,
+                ];
+
+                (async () => {
+                    for (const approxSql of approxSqlCandidates) {
+                        try {
+                            const approxRes = await runIsolatedQuery(approxConfig, dbName, approxSql);
+                            if (duckdbApproxSeqRef.current !== approxSeq) return;
+                            if (countKeyRef.current !== countKey) return;
+                            if (!approxRes?.success || !Array.isArray(approxRes.data) || approxRes.data.length === 0) continue;
+
+                            const approxTotal = parseDuckDBApproxTotalRow(approxRes.data[0]);
+                            if (approxTotal === null) continue;
+                            if (!Number.isFinite(approxTotal) || approxTotal < minExpectedTotal) continue;
+
+                            setPagination(prev => {
+                                if (countKeyRef.current !== countKey) return prev;
+                                if (prev.totalKnown) return prev;
+                                return {
+                                    ...prev,
+                                    total: approxTotal,
+                                    totalKnown: false,
+                                    totalApprox: true,
+                                    totalCountCancelled: false,
+                                };
+                            });
+                            return;
+                        } catch {
+                            if (duckdbApproxSeqRef.current !== approxSeq) return;
+                            if (countKeyRef.current !== countKey) return;
+                        }
+                    }
+                })();
+            }
         } else {
-            message.error(resData.message);
+            message.error(String(resData.message || '查询失败'));
         }
     } catch (e: any) {
         if (fetchSeqRef.current !== seq) return;
@@ -191,38 +526,41 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
         addSqlLog({
             id: `log-${Date.now()}-error`,
             timestamp: Date.now(),
-            sql: sql,
+            sql: executedSql,
             status: 'error',
-            duration: Date.now() - startTime,
+            duration: Date.now() - requestStartTime,
             message: e.message,
             dbName
         });
     }
     if (fetchSeqRef.current === seq) setLoading(false);
-  }, [connections, tab, sortInfo, filterConditions, pkColumns.length]); 
-  // Depend on pkColumns.length to avoid loop? No, pkColumns is updated inside.
-  // Actually, 'pkColumns' state shouldn't trigger re-fetch.
-  // The 'if (pkColumns.length === 0)' check is inside.
-  // So adding pkColumns to dependency is safer but might trigger double fetch if not careful?
-  // Only if pkColumns changes. It changes once from [] to [...].
-  // So it's fine.
+  }, [connections, tab, sortInfo, filterConditions, pkColumns, runIsolatedQuery]); 
+  // 依赖 pkColumns：在无手动排序时可回退到主键稳定排序。
+  // 主键信息只会在首次加载后更新一次，避免循环查询。
 
   // Handlers memoized
   const handleReload = useCallback(() => {
-    countKeyRef.current = '';
     fetchData(pagination.current, pagination.pageSize);
   }, [fetchData, pagination.current, pagination.pageSize]);
-  const handleSort = useCallback((field: string, order: string) => setSortInfo({ columnKey: field, order }), []);
+  const handleSort = useCallback((field: string, order: string) => {
+    const normalizedOrder = order === 'ascend' || order === 'descend' ? order : '';
+    const normalizedField = String(field || '').trim();
+    if (!normalizedField || !normalizedOrder) {
+      setSortInfo(null);
+      return;
+    }
+    setSortInfo({ columnKey: normalizedField, order: normalizedOrder });
+  }, []);
   const handlePageChange = useCallback((page: number, size: number) => fetchData(page, size), [fetchData]);
   const handleToggleFilter = useCallback(() => setShowFilter(prev => !prev), []);
-  const handleApplyFilter = useCallback((conditions: any[]) => setFilterConditions(conditions), []);
+  const handleApplyFilter = useCallback((conditions: FilterCondition[]) => setFilterConditions(conditions), []);
 
   useEffect(() => {
     fetchData(1, pagination.pageSize); 
   }, [tab, sortInfo, filterConditions]); // Initial load and re-load on sort/filter
 
   return (
-    <div style={{ flex: '1 1 auto', minHeight: 0, height: '100%', width: '100%', overflow: 'hidden', display: 'flex', flexDirection: 'column' }}>
+    <div style={{ flex: '1 1 auto', minHeight: 0, minWidth: 0, height: '100%', width: '100%', overflow: 'hidden', display: 'flex', flexDirection: 'column' }}>
       <DataGrid
           data={data}
           columnNames={columnNames}
@@ -235,9 +573,13 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
           onSort={handleSort}
           onPageChange={handlePageChange}
           pagination={pagination}
+          onRequestTotalCount={currentConnType === 'duckdb' ? handleDuckDBManualCount : undefined}
+          onCancelTotalCount={currentConnType === 'duckdb' ? handleDuckDBCancelManualCount : undefined}
           showFilter={showFilter}
           onToggleFilter={handleToggleFilter}
           onApplyFilter={handleApplyFilter}
+          readOnly={forceReadOnly}
+          sortInfoExternal={sortInfo}
       />
     </div>
   );

frontend/src/components/DefinitionViewer.tsx

@@ -0,0 +1,471 @@
+import React, { useState, useEffect } from 'react';
+import Editor from '@monaco-editor/react';
+import { Spin, Alert } from 'antd';
+import { TabData } from '../types';
+import { useStore } from '../store';
+import { DBQuery } from '../../wailsjs/go/app/App';
+
+interface DefinitionViewerProps {
+    tab: TabData;
+}
+
+const DefinitionViewer: React.FC<DefinitionViewerProps> = ({ tab }) => {
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState<string | null>(null);
+    const [definition, setDefinition] = useState<string>('');
+
+    const connections = useStore(state => state.connections);
+    const theme = useStore(state => state.theme);
+    const darkMode = theme === 'dark';
+
+    const escapeSQLLiteral = (raw: string): string => String(raw || '').replace(/'/g, "''");
+
+    const getMetadataDialect = (conn: any): string => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'custom') {
+            const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+            if (driver === 'diros' || driver === 'doris') return 'mysql';
+            return driver;
+        }
+        if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
+        if (type === 'dameng') return 'dm';
+        return type;
+    };
+
+    const isSphinxConnection = (conn: any): boolean => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'sphinx') return true;
+        if (type !== 'custom') return false;
+        const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+        return driver === 'sphinx' || driver === 'sphinxql';
+    };
+
+    const parseSchemaAndName = (fullName: string): { schema: string; name: string } => {
+        const raw = String(fullName || '').trim();
+        const idx = raw.lastIndexOf('.');
+        if (idx > 0 && idx < raw.length - 1) {
+            return { schema: raw.substring(0, idx), name: raw.substring(idx + 1) };
+        }
+        return { schema: '', name: raw };
+    };
+
+    const getCaseInsensitiveRawValue = (row: Record<string, any>, candidateKeys: string[]): any => {
+        const keyMap = new Map<string, any>();
+        Object.keys(row || {}).forEach((key) => keyMap.set(key.toLowerCase(), row[key]));
+        for (const key of candidateKeys) {
+            const value = keyMap.get(key.toLowerCase());
+            if (value !== undefined && value !== null) {
+                return value;
+            }
+        }
+        return undefined;
+    };
+
+    const parseDuckDBParameterNames = (raw: any): string[] => {
+        if (Array.isArray(raw)) {
+            return raw
+                .map((item) => String(item ?? '').trim())
+                .filter((item) => item !== '' && item.toLowerCase() !== '<nil>');
+        }
+        const text = String(raw ?? '').trim();
+        if (!text) return [];
+        const normalized = text.startsWith('[') && text.endsWith(']')
+            ? text.slice(1, -1)
+            : text;
+        return normalized
+            .split(',')
+            .map((part) => part.trim())
+            .filter((part) => part !== '' && part.toLowerCase() !== '<nil>');
+    };
+
+    const buildDuckDBMacroDDL = (
+        schemaName: string,
+        functionName: string,
+        parametersRaw: any,
+        macroDefinitionRaw: any
+    ): string => {
+        const schema = String(schemaName || '').trim();
+        const name = String(functionName || '').trim();
+        const macroDefinition = String(macroDefinitionRaw || '').trim();
+        if (!name || !macroDefinition) return '';
+
+        const parameters = parseDuckDBParameterNames(parametersRaw).join(', ');
+        const qualifiedName = schema ? `${schema}.${name}` : name;
+        const isTableMacro = !macroDefinition.startsWith('(');
+        if (isTableMacro) {
+            return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS TABLE ${macroDefinition};`;
+        }
+        return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS ${macroDefinition};`;
+    };
+
+    const buildShowViewQueries = (dialect: string, viewName: string, dbName: string): string[] => {
+        const { schema, name } = parseSchemaAndName(viewName);
+        const safeName = escapeSQLLiteral(name);
+        const safeDbName = escapeSQLLiteral(dbName);
+
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE VIEW \`${name.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT VIEW_DEFINITION AS view_definition FROM information_schema.views WHERE table_schema = '${safeDbName}' AND table_name = '${safeName}' LIMIT 1`
+                        : '',
+                    `SHOW CREATE TABLE \`${name.replace(/`/g, '``')}\``,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                const schemaRef = schema || 'public';
+                return [`SELECT pg_get_viewdef('${escapeSQLLiteral(schemaRef)}.${safeName}'::regclass, true) AS view_definition`];
+            }
+            case 'sqlserver':
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${escapeSQLLiteral(viewName)}')) AS view_definition`];
+            case 'oracle':
+            case 'dm':
+                if (schema) {
+                    return [`SELECT TEXT AS view_definition FROM ALL_VIEWS WHERE OWNER = '${escapeSQLLiteral(schema).toUpperCase()}' AND VIEW_NAME = '${safeName.toUpperCase()}'`];
+                }
+                if (safeDbName) {
+                    return [`SELECT TEXT AS view_definition FROM ALL_VIEWS WHERE OWNER = '${safeDbName.toUpperCase()}' AND VIEW_NAME = '${safeName.toUpperCase()}'`];
+                }
+                return [`SELECT TEXT AS view_definition FROM USER_VIEWS WHERE VIEW_NAME = '${safeName.toUpperCase()}'`];
+            case 'sqlite':
+                return [`SELECT sql AS view_definition FROM sqlite_master WHERE type='view' AND name='${safeName}'`];
+            case 'duckdb': {
+                const schemaRef = schema || 'main';
+                return [`SELECT view_definition FROM information_schema.views WHERE table_schema = '${escapeSQLLiteral(schemaRef)}' AND table_name = '${safeName}' LIMIT 1`];
+            }
+            default:
+                return [`-- 暂不支持该数据库类型的视图定义查看`];
+        }
+    };
+
+    const buildShowRoutineQueries = (dialect: string, routineName: string, routineType: string, dbName: string): string[] => {
+        const { schema, name } = parseSchemaAndName(routineName);
+        const safeName = escapeSQLLiteral(name);
+        const safeDbName = escapeSQLLiteral(dbName);
+        const upperType = (routineType || 'FUNCTION').toUpperCase();
+
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE ${upperType} \`${name.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT ROUTINE_DEFINITION AS routine_definition, ROUTINE_TYPE AS routine_type FROM information_schema.routines WHERE routine_schema = '${safeDbName}' AND routine_name = '${safeName}' LIMIT 1`
+                        : '',
+                    upperType === 'PROCEDURE'
+                        ? `SHOW PROCEDURE STATUS LIKE '${safeName}'`
+                        : `SHOW FUNCTION STATUS LIKE '${safeName}'`,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                const schemaRef = schema || 'public';
+                return [`SELECT pg_get_functiondef(p.oid) AS routine_definition FROM pg_proc p JOIN pg_namespace n ON p.pronamespace = n.oid WHERE n.nspname = '${escapeSQLLiteral(schemaRef)}' AND p.proname = '${safeName}' LIMIT 1`];
+            }
+            case 'sqlserver':
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${escapeSQLLiteral(routineName)}')) AS routine_definition`];
+            case 'oracle':
+            case 'dm': {
+                const owner = schema ? escapeSQLLiteral(schema).toUpperCase() : (safeDbName ? safeDbName.toUpperCase() : '');
+                if (owner) {
+                    return [`SELECT TEXT FROM ALL_SOURCE WHERE OWNER = '${owner}' AND NAME = '${safeName.toUpperCase()}' AND TYPE = '${upperType}' ORDER BY LINE`];
+                }
+                return [`SELECT TEXT FROM USER_SOURCE WHERE NAME = '${safeName.toUpperCase()}' AND TYPE = '${upperType}' ORDER BY LINE`];
+            }
+            case 'duckdb': {
+                const schemaRef = schema || 'main';
+                const safeSchema = escapeSQLLiteral(schemaRef);
+                return [
+                    `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND schema_name = '${safeSchema}' AND function_name = '${safeName}' LIMIT 1`,
+                    `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND function_name = '${safeName}' ORDER BY CASE WHEN schema_name = '${safeSchema}' THEN 0 ELSE 1 END, schema_name LIMIT 1`,
+                ];
+            }
+            case 'sqlite':
+                return [`-- SQLite 不支持函数/存储过程定义管理`];
+            default:
+                return [`-- 暂不支持该数据库类型的函数/存储过程定义查看`];
+        }
+    };
+
+    const runQueryCandidates = async (
+        config: Record<string, any>,
+        dbName: string,
+        queries: string[]
+    ): Promise<{ success: boolean; data: any[]; message?: string }> => {
+        let lastMessage = '';
+        let hasSuccessfulQuery = false;
+        for (const query of queries) {
+            const sql = String(query || '').trim();
+            if (!sql) continue;
+            try {
+                const result = await DBQuery(config as any, dbName, sql);
+                if (!result.success || !Array.isArray(result.data)) {
+                    lastMessage = result.message || lastMessage;
+                    continue;
+                }
+                hasSuccessfulQuery = true;
+                if (result.data.length > 0) {
+                    return { success: true, data: result.data };
+                }
+            } catch (error: any) {
+                lastMessage = error?.message || String(error);
+            }
+        }
+        if (hasSuccessfulQuery) {
+            return { success: true, data: [] };
+        }
+        return { success: false, data: [], message: lastMessage };
+    };
+
+    const getVersionHint = async (config: Record<string, any>, dbName: string): Promise<string> => {
+        const candidates = [
+            `SELECT VERSION() AS version`,
+            `SHOW VARIABLES LIKE 'version'`,
+        ];
+        for (const query of candidates) {
+            try {
+                const result = await DBQuery(config as any, dbName, query);
+                if (!result.success || !Array.isArray(result.data) || result.data.length === 0) {
+                    continue;
+                }
+                const row = result.data[0] as Record<string, any>;
+                const version =
+                    row.version
+                    || row.VERSION
+                    || row.Value
+                    || row.value
+                    || Object.values(row)[1]
+                    || Object.values(row)[0];
+                const text = String(version || '').trim();
+                if (text) return text;
+            } catch {
+                // ignore
+            }
+        }
+        return '';
+    };
+
+    const extractViewDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) return '-- 未找到视图定义';
+        const row = data[0];
+
+        switch (dialect) {
+            case 'mysql': {
+                const keys = Object.keys(row);
+                const textDefinition = row.view_definition || row.VIEW_DEFINITION;
+                if (textDefinition) return String(textDefinition);
+                const sqlKey = keys.find(k => k.toLowerCase().includes('create view') || k.toLowerCase() === 'create view');
+                if (sqlKey) return row[sqlKey];
+                const tableSqlKey = keys.find(k => k.toLowerCase().includes('create table'));
+                if (tableSqlKey) return row[tableSqlKey];
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE') && (val.toUpperCase().includes('VIEW') || val.toUpperCase().includes('TABLE'))) {
+                        return val;
+                    }
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'oracle':
+            case 'dm':
+                return row.view_definition || row.VIEW_DEFINITION || row.text || row.TEXT || Object.values(row)[0] || '';
+            default:
+                return row.view_definition || row.VIEW_DEFINITION || row.sql || row.SQL || Object.values(row)[0] || '';
+        }
+    };
+
+    const extractRoutineDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) return '-- 未找到函数/存储过程定义';
+
+        switch (dialect) {
+            case 'mysql': {
+                const row = data[0];
+                const keys = Object.keys(row);
+                if (row.routine_definition || row.ROUTINE_DEFINITION) {
+                    return String(row.routine_definition || row.ROUTINE_DEFINITION);
+                }
+                const sqlKey = keys.find(k => k.toLowerCase().includes('create function') || k.toLowerCase().includes('create procedure'));
+                if (sqlKey) return row[sqlKey];
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE') && (val.toUpperCase().includes('FUNCTION') || val.toUpperCase().includes('PROCEDURE'))) {
+                        return val;
+                    }
+                }
+                const routineName = String(row.Name || row.name || '').trim();
+                if (routineName) {
+                    const routineType = String(row.Type || row.type || row.ROUTINE_TYPE || row.routine_type || 'FUNCTION').trim().toUpperCase();
+                    return `-- 当前数据源未返回可执行定义文本，已返回元数据\n-- 名称: ${routineName}\n-- 类型: ${routineType}\n${JSON.stringify(row, null, 2)}`;
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'oracle':
+            case 'dm': {
+                // Oracle/DM ALL_SOURCE returns multiple rows, one per line
+                return data.map(row => row.text || row.TEXT || Object.values(row)[0] || '').join('');
+            }
+            case 'duckdb': {
+                const row = data[0] as Record<string, any>;
+                const ddl = buildDuckDBMacroDDL(
+                    String(getCaseInsensitiveRawValue(row, ['schema_name']) || '').trim(),
+                    String(getCaseInsensitiveRawValue(row, ['function_name', 'routine_name', 'name']) || '').trim(),
+                    getCaseInsensitiveRawValue(row, ['parameters']),
+                    getCaseInsensitiveRawValue(row, ['macro_definition'])
+                );
+                if (ddl) return ddl;
+                const fallback = getCaseInsensitiveRawValue(row, ['macro_definition', 'routine_definition', 'definition']);
+                if (fallback !== undefined && fallback !== null && String(fallback).trim() !== '') {
+                    return String(fallback);
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            default: {
+                const row = data[0];
+                return row.routine_definition || row.ROUTINE_DEFINITION || Object.values(row)[0] || '';
+            }
+        }
+    };
+
+    useEffect(() => {
+        const loadDefinition = async () => {
+            setLoading(true);
+            setError(null);
+
+            const conn = connections.find(c => c.id === tab.connectionId);
+            if (!conn) {
+                setError('未找到数据库连接');
+                setLoading(false);
+                return;
+            }
+
+            const dbName = tab.dbName || '';
+            const dialect = getMetadataDialect(conn);
+            const sphinxLike = isSphinxConnection(conn) && dialect === 'mysql';
+
+            let queries: string[];
+            let extractFn: (dialect: string, data: any[]) => string;
+            let objectLabel: string;
+
+            if (tab.type === 'view-def') {
+                const viewName = tab.viewName || '';
+                if (!viewName) {
+                    setError('视图名称为空');
+                    setLoading(false);
+                    return;
+                }
+                queries = buildShowViewQueries(dialect, viewName, dbName);
+                extractFn = extractViewDefinition;
+                objectLabel = '视图';
+            } else {
+                const routineName = tab.routineName || '';
+                const routineType = tab.routineType || 'FUNCTION';
+                if (!routineName) {
+                    setError('函数/存储过程名称为空');
+                    setLoading(false);
+                    return;
+                }
+                queries = buildShowRoutineQueries(dialect, routineName, routineType, dbName);
+                extractFn = extractRoutineDefinition;
+                objectLabel = '函数/存储过程';
+            }
+
+            if (!queries.length || String(queries[0] || '').startsWith('--')) {
+                setDefinition(String(queries[0] || '-- 暂不支持该对象定义查看'));
+                setLoading(false);
+                return;
+            }
+
+            try {
+                const config = {
+                    ...conn.config,
+                    port: Number(conn.config.port),
+                    password: conn.config.password || '',
+                    database: conn.config.database || '',
+                    useSSH: conn.config.useSSH || false,
+                    ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+                };
+
+                const result = await runQueryCandidates(config, dbName, queries);
+
+                if (result.success && Array.isArray(result.data) && result.data.length > 0) {
+                    const def = extractFn(dialect, result.data);
+                    setDefinition(def);
+                    return;
+                }
+
+                if (result.success) {
+                    if (sphinxLike) {
+                        const version = await getVersionHint(config, dbName);
+                        const versionText = version ? `（版本: ${version}）` : '';
+                        setDefinition(`-- 当前 Sphinx 实例${versionText}未返回${objectLabel}定义。\n-- 已执行多套兼容查询，可能是版本能力限制或对象类型不支持。`);
+                        return;
+                    }
+                    setDefinition(`-- 未找到${objectLabel}定义`);
+                } else if (sphinxLike) {
+                    const version = await getVersionHint(config, dbName);
+                    const versionText = version ? `（版本: ${version}）` : '';
+                    setDefinition(`-- 当前 Sphinx 实例${versionText}不支持${objectLabel}定义查询。\n-- 已自动尝试兼容语句，返回失败信息: ${result.message || 'unknown error'}`);
+                } else {
+                    setError(result.message || '查询定义失败');
+                }
+            } catch (e: any) {
+                setError('查询定义失败: ' + (e?.message || String(e)));
+            } finally {
+                setLoading(false);
+            }
+        };
+
+        loadDefinition();
+    }, [tab.connectionId, tab.dbName, tab.viewName, tab.routineName, tab.routineType, tab.type, connections]);
+
+    const objectLabel = tab.type === 'view-def' ? '视图' : '函数/存储过程';
+    const objectName = tab.type === 'view-def' ? tab.viewName : tab.routineName;
+
+    if (loading) {
+        return (
+            <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100%' }}>
+                <Spin tip={`加载${objectLabel}定义...`} />
+            </div>
+        );
+    }
+
+    if (error) {
+        return (
+            <div style={{ padding: 16 }}>
+                <Alert type="error" message="加载失败" description={error} showIcon />
+            </div>
+        );
+    }
+
+    return (
+        <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
+            <div style={{ padding: '8px 16px', borderBottom: darkMode ? '1px solid #303030' : '1px solid #f0f0f0' }}>
+                <strong>{objectLabel}: </strong>{objectName}
+                {tab.dbName && <span style={{ marginLeft: 16, color: '#888' }}>数据库: {tab.dbName}</span>}
+                {tab.routineType && <span style={{ marginLeft: 16, color: '#888' }}>类型: {tab.routineType}</span>}
+            </div>
+            <div style={{ flex: 1, minHeight: 0 }}>
+                <Editor
+                    height="100%"
+                    language="sql"
+                    theme={darkMode ? 'transparent-dark' : 'transparent-light'}
+                    value={definition}
+                    options={{
+                        readOnly: true,
+                        minimap: { enabled: false },
+                        fontSize: 14,
+                        lineNumbers: 'on',
+                        scrollBeyondLastLine: false,
+                        wordWrap: 'on',
+                        automaticLayout: true,
+                    }}
+                />
+            </div>
+        </div>
+    );
+};
+
+export default DefinitionViewer;

frontend/src/components/ImportPreviewModal.tsx

@@ -0,0 +1,250 @@
+import React, { useState, useEffect } from 'react';
+import { Modal, Table, Alert, Progress, Button, Space } from 'antd';
+import { CheckCircleOutlined, CloseCircleOutlined } from '@ant-design/icons';
+import { PreviewImportFile, ImportDataWithProgress } from '../../wailsjs/go/app/App';
+import { EventsOn, EventsOff } from '../../wailsjs/runtime/runtime';
+import { useStore } from '../store';
+
+interface ImportPreviewModalProps {
+    visible: boolean;
+    filePath: string;
+    connectionId: string;
+    dbName: string;
+    tableName: string;
+    onClose: () => void;
+    onSuccess: () => void;
+}
+
+interface PreviewData {
+    columns: string[];
+    totalRows: number;
+    previewRows: any[];
+}
+
+interface ImportProgress {
+    current: number;
+    total: number;
+    success: number;
+    errors: number;
+}
+
+const ImportPreviewModal: React.FC<ImportPreviewModalProps> = ({
+    visible,
+    filePath,
+    connectionId,
+    dbName,
+    tableName,
+    onClose,
+    onSuccess
+}) => {
+    const connections = useStore(state => state.connections);
+    const [loading, setLoading] = useState(true);
+    const [previewData, setPreviewData] = useState<PreviewData | null>(null);
+    const [error, setError] = useState<string | null>(null);
+    const [importing, setImporting] = useState(false);
+    const [progress, setProgress] = useState<ImportProgress | null>(null);
+    const [importResult, setImportResult] = useState<any>(null);
+
+    useEffect(() => {
+        if (visible && filePath) {
+            loadPreview();
+        }
+    }, [visible, filePath]);
+
+    useEffect(() => {
+        if (importing) {
+            const unsubscribe = EventsOn('import:progress', (data: ImportProgress) => {
+                setProgress(data);
+            });
+            return () => {
+                EventsOff('import:progress');
+            };
+        }
+    }, [importing]);
+
+    const loadPreview = async () => {
+        setLoading(true);
+        setError(null);
+        try {
+            const res = await PreviewImportFile(filePath);
+            if (res.success && res.data) {
+                setPreviewData({
+                    columns: res.data.columns || [],
+                    totalRows: res.data.totalRows || 0,
+                    previewRows: res.data.previewRows || []
+                });
+            } else {
+                setError(res.message || '预览失败');
+            }
+        } catch (e: any) {
+            setError('预览失败: ' + e.message);
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    const handleImport = async () => {
+        if (!previewData) return;
+
+        setImporting(true);
+        setProgress({ current: 0, total: previewData.totalRows, success: 0, errors: 0 });
+        setImportResult(null);
+
+        try {
+            const conn = connections.find(c => c.id === connectionId);
+            if (!conn) {
+                setError('连接配置未找到');
+                setImporting(false);
+                return;
+            }
+
+            const config = {
+                ...conn.config,
+                port: Number(conn.config.port),
+                password: conn.config.password || '',
+                database: conn.config.database || '',
+                useSSH: conn.config.useSSH || false,
+                ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+            };
+
+            const res = await ImportDataWithProgress(config as any, dbName, tableName, filePath);
+
+            if (res.success && res.data) {
+                setImportResult(res.data);
+                if (res.data.failed === 0) {
+                    onSuccess();
+                }
+            } else {
+                setError(res.message || '导入失败');
+            }
+        } catch (e: any) {
+            setError('导入失败: ' + e.message);
+        } finally {
+            setImporting(false);
+        }
+    };
+
+    const columns = previewData?.columns.map(col => ({
+        title: col,
+        dataIndex: col,
+        key: col,
+        ellipsis: true,
+        width: 150
+    })) || [];
+
+    const progressPercent = progress ? Math.round((progress.current / progress.total) * 100) : 0;
+
+    return (
+        <Modal
+            title="导入数据预览"
+            open={visible}
+            onCancel={onClose}
+            width={900}
+            footer={
+                importResult ? (
+                    <Space>
+                        <Button onClick={onClose}>关闭</Button>
+                    </Space>
+                ) : importing ? null : (
+                    <Space>
+                        <Button onClick={onClose}>取消</Button>
+                        <Button
+                            type="primary"
+                            onClick={handleImport}
+                            disabled={!previewData || loading}
+                        >
+                            开始导入
+                        </Button>
+                    </Space>
+                )
+            }
+        >
+            {error && <Alert type="error" message={error} style={{ marginBottom: 16 }} showIcon />}
+
+            {loading && <div style={{ textAlign: 'center', padding: 40 }}>加载预览数据...</div>}
+
+            {!loading && previewData && !importing && !importResult && (
+                <>
+                    <Alert
+                        type="info"
+                        message={`共 ${previewData.totalRows} 行数据，${previewData.columns.length} 个字段`}
+                        description='以下是前 5 行预览数据，确认无误后点击“开始导入”'
+                        style={{ marginBottom: 16 }}
+                        showIcon
+                    />
+                    <div style={{ marginBottom: 8, fontWeight: 600 }}>字段列表：</div>
+                    <div style={{ marginBottom: 16, padding: 8, background: '#f5f5f5', borderRadius: 4 }}>
+                        {previewData.columns.join(', ')}
+                    </div>
+                    <div style={{ marginBottom: 8, fontWeight: 600 }}>数据预览（前 5 行）：</div>
+                    <Table
+                        dataSource={previewData.previewRows}
+                        columns={columns}
+                        pagination={false}
+                        scroll={{ x: 'max-content' }}
+                        size="small"
+                        bordered
+                    />
+                </>
+            )}
+
+            {importing && progress && (
+                <div style={{ padding: '40px 20px' }}>
+                    <div style={{ marginBottom: 16, fontSize: 16, fontWeight: 600, textAlign: 'center' }}>
+                        正在导入数据...
+                    </div>
+                    <Progress percent={progressPercent} status="active" />
+                    <div style={{ marginTop: 16, textAlign: 'center', color: '#666' }}>
+                        已处理 {progress.current} / {progress.total} 行
+                        <span style={{ marginLeft: 16, color: '#52c41a' }}>
+                            <CheckCircleOutlined /> 成功 {progress.success}
+                        </span>
+                        {progress.errors > 0 && (
+                            <span style={{ marginLeft: 16, color: '#ff4d4f' }}>
+                                <CloseCircleOutlined /> 失败 {progress.errors}
+                            </span>
+                        )}
+                    </div>
+                </div>
+            )}
+
+            {importResult && (
+                <div style={{ padding: 20 }}>
+                    <Alert
+                        type={importResult.failed === 0 ? 'success' : 'warning'}
+                        message="导入完成"
+                        description={
+                            <div>
+                                <div>成功导入 {importResult.success} 行</div>
+                                {importResult.failed > 0 && <div>失败 {importResult.failed} 行</div>}
+                            </div>
+                        }
+                        showIcon
+                        style={{ marginBottom: 16 }}
+                    />
+                    {importResult.errorLogs && importResult.errorLogs.length > 0 && (
+                        <>
+                            <div style={{ marginBottom: 8, fontWeight: 600, color: '#ff4d4f' }}>错误日志：</div>
+                            <div style={{
+                                maxHeight: 300,
+                                overflow: 'auto',
+                                background: '#fff1f0',
+                                border: '1px solid #ffccc7',
+                                borderRadius: 4,
+                                padding: 12,
+                                fontSize: 12,
+                                fontFamily: 'monospace'
+                            }}>
+                                {importResult.errorLogs.map((log: string, idx: number) => (
+                                    <div key={idx} style={{ marginBottom: 4 }}>{log}</div>
+                                ))}
+                            </div>
+                        </>
+                    )}
+                </div>
+            )}
+        </Modal>
+    );
+};
+
+export default ImportPreviewModal;

frontend/src/components/LogPanel.tsx

@@ -2,6 +2,7 @@ import React, { useRef, useEffect } from 'react';
 import { Table, Tag, Button, Tooltip } from 'antd';
 import { ClearOutlined, CloseOutlined, CaretRightOutlined, BugOutlined } from '@ant-design/icons';
 import { useStore } from '../store';
+import { normalizeOpacityForPlatform } from '../utils/appearance';
 
 interface LogPanelProps {
     height: number;
@@ -10,7 +11,26 @@ interface LogPanelProps {
 }
 
 const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) => {
-    const { sqlLogs, clearSqlLogs, darkMode } = useStore();
+    const sqlLogs = useStore(state => state.sqlLogs);
+    const clearSqlLogs = useStore(state => state.clearSqlLogs);
+    const theme = useStore(state => state.theme);
+    const appearance = useStore(state => state.appearance);
+    const darkMode = theme === 'dark';
+    const opacity = normalizeOpacityForPlatform(appearance.opacity);
+
+    // Background Helper
+    const getBg = (darkHex: string) => {
+        if (!darkMode) return `rgba(255, 255, 255, ${opacity})`;
+        const hex = darkHex.replace('#', '');
+        const r = parseInt(hex.substring(0, 2), 16);
+        const g = parseInt(hex.substring(2, 4), 16);
+        const b = parseInt(hex.substring(4, 6), 16);
+        return `rgba(${r}, ${g}, ${b}, ${opacity})`;
+    };
+    const bgMain = getBg('#1f1f1f');
+    const bgToolbar = getBg('#2a2a2a');
+    const logScrollbarThumb = darkMode ? 'rgba(255, 255, 255, 0.34)' : 'rgba(0, 0, 0, 0.26)';
+    const logScrollbarThumbHover = darkMode ? 'rgba(255, 255, 255, 0.5)' : 'rgba(0, 0, 0, 0.36)';
 
     const columns = [
         {
@@ -51,8 +71,8 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
     return (
         <div style={{ 
             height, 
-            borderTop: darkMode ? '1px solid #303030' : '1px solid #d9d9d9', 
-            background: darkMode ? '#1f1f1f' : '#fff',
+            borderTop: 'none', 
+            background: bgMain,
             display: 'flex',
             flexDirection: 'column',
             position: 'relative',
@@ -75,11 +95,10 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
             {/* Toolbar */}
             <div style={{ 
                 padding: '4px 8px', 
-                borderBottom: darkMode ? '1px solid #303030' : '1px solid #f0f0f0',
+                borderBottom: 'none',
                 display: 'flex',
                 justifyContent: 'space-between',
                 alignItems: 'center',
-                background: darkMode ? '#2a2a2a' : '#fafafa',
                 height: 32
             }}>
                 <div style={{ display: 'flex', alignItems: 'center', gap: 8, fontWeight: 'bold', fontSize: '12px' }}>
@@ -96,8 +115,9 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
             </div>
 
             {/* List */}
-            <div style={{ flex: 1, overflow: 'auto' }}>
+            <div className="log-panel-scroll" style={{ flex: 1, overflow: 'auto' }}>
                 <Table 
+                    className="log-panel-table"
                     dataSource={sqlLogs} 
                     columns={columns} 
                     size="small" 
@@ -107,8 +127,37 @@ const LogPanel: React.FC<LogPanelProps> = ({ height, onClose, onResizeStart }) =
                     // scroll={{ y: height - 32 }} // Let flex handle it
                 />
             </div>
+            <style>{`
+                .log-panel-scroll {
+                    scrollbar-width: thin;
+                    scrollbar-color: ${logScrollbarThumb} transparent;
+                }
+                .log-panel-scroll::-webkit-scrollbar {
+                    width: 10px;
+                    height: 10px;
+                }
+                .log-panel-scroll::-webkit-scrollbar-track,
+                .log-panel-scroll::-webkit-scrollbar-corner {
+                    background: transparent;
+                }
+                .log-panel-scroll::-webkit-scrollbar-thumb {
+                    background: ${logScrollbarThumb};
+                    border-radius: 8px;
+                    border: 2px solid transparent;
+                    background-clip: padding-box;
+                }
+                .log-panel-scroll::-webkit-scrollbar-thumb:hover {
+                    background: ${logScrollbarThumbHover};
+                    background-clip: padding-box;
+                }
+                .log-panel-table .ant-table,
+                .log-panel-table .ant-table-container,
+                .log-panel-table .ant-table-tbody > tr > td {
+                    background: transparent !important;
+                }
+            `}</style>
         </div>
     );
 };
 
-export default LogPanel;
+export default LogPanel;

frontend/src/components/QueryEditor.tsx

@@ -42,16 +42,19 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
   const editorRef = useRef<any>(null);
   const monacoRef = useRef<any>(null);
   const dragRef = useRef<{ startY: number, startHeight: number } | null>(null);
-  const tablesRef = useRef<string[]>([]); // Store tables for autocomplete
-  const allColumnsRef = useRef<{tableName: string, name: string, type: string}[]>([]); // Store all columns
+  const tablesRef = useRef<{dbName: string, tableName: string}[]>([]); // Store tables for autocomplete (cross-db)
+  const allColumnsRef = useRef<{dbName: string, tableName: string, name: string, type: string}[]>([]); // Store all columns (cross-db)
+  const visibleDbsRef = useRef<string[]>([]); // Store visible databases for cross-db intellisense
 
-  const { connections, addSqlLog } = useStore();
+  const connections = useStore(state => state.connections);
+  const addSqlLog = useStore(state => state.addSqlLog);
   const currentConnectionIdRef = useRef(currentConnectionId);
   const currentDbRef = useRef(currentDb);
   const connectionsRef = useRef(connections);
   const columnsCacheRef = useRef<Record<string, ColumnDefinition[]>>({});
   const saveQuery = useStore(state => state.saveQuery);
-  const darkMode = useStore(state => state.darkMode);
+  const theme = useStore(state => state.theme);
+  const darkMode = theme === 'dark';
   const sqlFormatOptions = useStore(state => state.sqlFormatOptions);
   const setSqlFormatOptions = useStore(state => state.setSqlFormatOptions);
   const queryOptions = useStore(state => state.queryOptions);
@@ -79,9 +82,9 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
       const fetchDbs = async () => {
           const conn = connections.find(c => c.id === currentConnectionId);
           if (!conn) return;
-          
-          const config = { 
-            ...conn.config, 
+
+          const config = {
+            ...conn.config,
             port: Number(conn.config.port),
             password: conn.config.password || "",
             database: conn.config.database || "",
@@ -91,27 +94,41 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
 
           const res = await DBGetDatabases(config as any);
           if (res.success && Array.isArray(res.data)) {
-              const dbs = res.data.map((row: any) => row.Database || row.database);
+              let dbs = res.data.map((row: any) => row.Database || row.database);
+
+              // 过滤只显示 includeDatabases 中配置的数据库
+              const includeDbs = conn.includeDatabases;
+              if (includeDbs && includeDbs.length > 0) {
+                  dbs = dbs.filter((db: string) => includeDbs.includes(db));
+              }
+
+              // 存储可见数据库列表用于跨库智能提示
+              visibleDbsRef.current = dbs;
+
               setDbList(dbs);
               if (!currentDbRef.current) {
-                  if (conn.config.database) setCurrentDb(conn.config.database);
+                  if (conn.config.database && dbs.includes(conn.config.database)) setCurrentDb(conn.config.database);
                   else if (dbs.length > 0 && dbs[0] !== 'information_schema') setCurrentDb(dbs[0]);
               }
           } else {
+              visibleDbsRef.current = [];
               setDbList([]);
           }
       };
       fetchDbs();
   }, [currentConnectionId, connections]);
 
-  // Fetch Metadata for Autocomplete
+  // Fetch Metadata for Autocomplete (Cross-database)
   useEffect(() => {
       const fetchMetadata = async () => {
           const conn = connections.find(c => c.id === currentConnectionId);
-          if (!conn || !currentDb) return;
+          if (!conn) return;
 
-          const config = { 
-            ...conn.config, 
+          const visibleDbs = visibleDbsRef.current;
+          if (!visibleDbs || visibleDbs.length === 0) return;
+
+          const config = {
+            ...conn.config,
             port: Number(conn.config.port),
             password: conn.config.password || "",
             database: conn.config.database || "",
@@ -119,25 +136,39 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
             ssh: conn.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" }
           };
 
-          const resTables = await DBGetTables(config as any, currentDb);
-          if (resTables.success && Array.isArray(resTables.data)) {
-              const tableNames = resTables.data.map((row: any) => Object.values(row)[0] as string);
-              tablesRef.current = tableNames;
-          } else {
-              tablesRef.current = [];
-          }
+          // 加载所有可见数据库的表
+          const allTables: {dbName: string, tableName: string}[] = [];
+          const allColumns: {dbName: string, tableName: string, name: string, type: string}[] = [];
 
-          if (config.type === 'mysql' || !config.type) {
-              const resCols = await DBGetAllColumns(config as any, currentDb);
+          for (const dbName of visibleDbs) {
+              // 获取表
+              const resTables = await DBGetTables(config as any, dbName);
+              if (resTables.success && Array.isArray(resTables.data)) {
+                  const tableNames = resTables.data.map((row: any) => Object.values(row)[0] as string);
+                  tableNames.forEach((tableName: string) => {
+                      allTables.push({ dbName, tableName });
+                  });
+              }
+
+              // 获取列 (所有数据库类型都支持 DBGetAllColumns)
+              const resCols = await DBGetAllColumns(config as any, dbName);
               if (resCols.success && Array.isArray(resCols.data)) {
-                  allColumnsRef.current = resCols.data;
-              } else {
-                  allColumnsRef.current = [];
+                  resCols.data.forEach((col: any) => {
+                      allColumns.push({
+                          dbName,
+                          tableName: col.tableName,
+                          name: col.name,
+                          type: col.type
+                      });
+                  });
               }
           }
+
+          tablesRef.current = allTables;
+          allColumnsRef.current = allColumns;
       };
       fetchMetadata();
-  }, [currentConnectionId, currentDb, connections]);
+  }, [currentConnectionId, connections, dbList]); // dbList 变化时触发重新加载
 
   // Handle Resizing
   const handleMouseDown = (e: React.MouseEvent) => {
@@ -165,6 +196,9 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
       editorRef.current = editor;
       monacoRef.current = monaco;
 
+      // 应用透明主题（主题已在 main.tsx 全局注册）
+      monaco.editor.setTheme(darkMode ? 'transparent-dark' : 'transparent-light');
+
       monaco.languages.registerCompletionItemProvider('sql', {
           triggerCharacters: ['.'],
           provideCompletionItems: async (model: any, position: any) => {
@@ -240,61 +274,125 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
 
               const fullText = model.getValue();
 
-              // 1) alias.field completion: when cursor is after "<alias>.<prefix>"
+              // 获取当前行光标前的内容
               const linePrefix = model.getLineContent(position.lineNumber).slice(0, position.column - 1);
+
+              // 0) 三段式 db.table.column 格式：当输入 db.table. 时提示列
+              const threePartMatch = linePrefix.match(/([`"]?[\w]+[`"]?)\.([`"]?[\w]+[`"]?)\.(\w*)$/);
+              if (threePartMatch) {
+                  const dbPart = stripQuotes(threePartMatch[1]);
+                  const tablePart = stripQuotes(threePartMatch[2]);
+                  const colPrefix = (threePartMatch[3] || '').toLowerCase();
+
+                  // 在 allColumnsRef 中查找匹配的列
+                  const cols = allColumnsRef.current.filter(c =>
+                      (c.dbName || '').toLowerCase() === dbPart.toLowerCase() &&
+                      (c.tableName || '').toLowerCase() === tablePart.toLowerCase()
+                  );
+
+                  const filtered = colPrefix
+                      ? cols.filter(c => (c.name || '').toLowerCase().startsWith(colPrefix))
+                      : cols;
+
+                  const suggestions = filtered.map(c => ({
+                      label: c.name,
+                      kind: monaco.languages.CompletionItemKind.Field,
+                      insertText: c.name,
+                      detail: `${c.type} (${c.dbName}.${c.tableName})`,
+                      range,
+                      sortText: '0' + c.name
+                  }));
+                  return { suggestions };
+              }
+
+              // 1) 两段式 qualifier.xxx 格式
               const qualifierMatch = linePrefix.match(/([`"]?[A-Za-z_][\w]*[`"]?)\.(\w*)$/);
               if (qualifierMatch) {
-                  const alias = stripQuotes(qualifierMatch[1]);
-                  const colPrefix = (qualifierMatch[2] || '').toLowerCase();
+                  const qualifier = stripQuotes(qualifierMatch[1]);
+                  const prefix = (qualifierMatch[2] || '').toLowerCase();
 
+                  // 首先检查 qualifier 是否是数据库名（跨库表提示）
+                  const visibleDbs = visibleDbsRef.current;
+                  if (visibleDbs.some(db => db.toLowerCase() === qualifier.toLowerCase())) {
+                      // qualifier 是数据库名，提示该库的表
+                      const tables = tablesRef.current.filter(t =>
+                          (t.dbName || '').toLowerCase() === qualifier.toLowerCase()
+                      );
+                      const filtered = prefix
+                          ? tables.filter(t => (t.tableName || '').toLowerCase().startsWith(prefix))
+                          : tables;
+
+                      const suggestions = filtered.map(t => ({
+                          label: t.tableName,
+                          kind: monaco.languages.CompletionItemKind.Class,
+                          insertText: t.tableName,
+                          detail: `Table (${t.dbName})`,
+                          range,
+                          sortText: '0' + t.tableName
+                      }));
+                      return { suggestions };
+                  }
+
+                  // 否则检查是否是表别名或表名，提示列
                   const reserved = new Set([
                       'where', 'on', 'group', 'order', 'limit', 'having',
                       'left', 'right', 'inner', 'outer', 'full', 'cross', 'join',
                       'union', 'except', 'intersect', 'as', 'set', 'values', 'returning',
                   ]);
 
-                  const aliasMap: Record<string, string> = {};
-                  // Capture table and optional alias, support schema.table
+                  const aliasMap: Record<string, {dbName: string, tableName: string}> = {};
+                  // Capture table and optional alias, support db.table format
                   const aliasRegex = /\b(?:FROM|JOIN|UPDATE|INTO|DELETE\s+FROM)\s+([`"]?[\w]+[`"]?(?:\s*\.\s*[`"]?[\w]+[`"]?)?)(?:\s+(?:AS\s+)?([`"]?[\w]+[`"]?))?/gi;
                   let m;
                   while ((m = aliasRegex.exec(fullText)) !== null) {
                       const tableIdent = normalizeQualifiedName(m[1] || '');
                       if (!tableIdent) continue;
+
+                      // 解析 db.table 或 table 格式
+                      const parts = tableIdent.split('.');
+                      let dbName = currentDbRef.current || '';
+                      let tableName = tableIdent;
+                      if (parts.length === 2) {
+                          dbName = parts[0];
+                          tableName = parts[1];
+                      }
+
                       const shortTable = getLastPart(tableIdent);
-                      // allow "table." as qualifier too
-                      if (shortTable) aliasMap[shortTable.toLowerCase()] = tableIdent;
+                      // 用表名作为 qualifier
+                      if (shortTable) aliasMap[shortTable.toLowerCase()] = { dbName, tableName };
 
                       const a = stripQuotes(m[2] || '').trim();
                       if (!a) continue;
                       const al = a.toLowerCase();
                       if (reserved.has(al)) continue;
-                      aliasMap[al] = tableIdent;
+                      aliasMap[al] = { dbName, tableName };
                   }
 
-                  const tableIdent = aliasMap[alias.toLowerCase()];
-                  if (tableIdent) {
-                      const shortTable = getLastPart(tableIdent);
-
+                  const tableInfo = aliasMap[qualifier.toLowerCase()];
+                  if (tableInfo) {
                       // Prefer preloaded MySQL all-columns cache
-                      let cols: { name: string, type?: string, tableName?: string }[] = [];
+                      let cols: { name: string, type?: string, tableName?: string, dbName?: string }[] = [];
                       if (allColumnsRef.current.length > 0) {
                           cols = allColumnsRef.current
-                              .filter(c => (c.tableName || '').toLowerCase() === (shortTable || '').toLowerCase())
-                              .map(c => ({ name: c.name, type: c.type, tableName: c.tableName }));
+                              .filter(c =>
+                                  (c.dbName || '').toLowerCase() === (tableInfo.dbName || '').toLowerCase() &&
+                                  (c.tableName || '').toLowerCase() === (tableInfo.tableName || '').toLowerCase()
+                              )
+                              .map(c => ({ name: c.name, type: c.type, tableName: c.tableName, dbName: c.dbName }));
                       } else {
-                          const dbCols = await getColumnsByDB(tableIdent);
-                          cols = dbCols.map(c => ({ name: c.name, type: c.type, tableName: shortTable }));
+                          const dbCols = await getColumnsByDB(tableInfo.tableName);
+                          cols = dbCols.map(c => ({ name: c.name, type: c.type, tableName: tableInfo.tableName }));
                       }
 
-                      const filtered = colPrefix
-                          ? cols.filter(c => (c.name || '').toLowerCase().startsWith(colPrefix))
+                      const filtered = prefix
+                          ? cols.filter(c => (c.name || '').toLowerCase().startsWith(prefix))
                           : cols;
 
                       const suggestions = filtered.map(c => ({
                           label: c.name,
                           kind: monaco.languages.CompletionItemKind.Field,
                           insertText: c.name,
-                          detail: c.type ? `${c.type}${c.tableName ? ` (${c.tableName})` : ''}` : (c.tableName ? `(${c.tableName})` : ''),
+                          detail: c.type ? `${c.type} (${c.dbName ? c.dbName + '.' : ''}${c.tableName})` : (c.tableName ? `(${c.tableName})` : ''),
                           range,
                           sortText: '0' + c.name
                       }));
@@ -309,35 +407,72 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
               while ((match = tableRegex.exec(fullText)) !== null) {
                   const t = normalizeQualifiedName(match[1] || '');
                   if (!t) continue;
-                  foundTables.add(getLastPart(t).toLowerCase());
+                  // 存储完整标识 db.table 或 table
+                  foundTables.add(t.toLowerCase());
               }
 
+              const currentDatabase = currentDbRef.current || '';
+
+              // 相关列提示：匹配 SQL 中引用的表（FROM/JOIN 等）
+              // 权重最高，输入 WHERE 条件时优先显示
               const relevantColumns = allColumnsRef.current
-                  .filter(c => foundTables.has((c.tableName || '').toLowerCase()))
-                  .map(c => ({
-                      label: c.name,
-                      kind: monaco.languages.CompletionItemKind.Field,
-                      insertText: c.name,
-                      detail: `${c.type} (${c.tableName})`,
+                  .filter(c => {
+                      const fullIdent = `${c.dbName}.${c.tableName}`.toLowerCase();
+                      const shortIdent = (c.tableName || '').toLowerCase();
+                      return foundTables.has(fullIdent) || foundTables.has(shortIdent);
+                  })
+                  .map(c => {
+                      // 当前库的表字段优先级更高
+                      const isCurrentDb = (c.dbName || '').toLowerCase() === currentDatabase.toLowerCase();
+                      return {
+                          label: c.name,
+                          kind: monaco.languages.CompletionItemKind.Field,
+                          insertText: c.name,
+                          detail: `${c.type} (${c.dbName}.${c.tableName})`,
+                          range,
+                          sortText: isCurrentDb ? '00' + c.name : '01' + c.name // FROM 表字段最优先
+                      };
+                  });
+
+              // 表提示：当前库显示表名，其他库显示 db.table 格式
+              const tableSuggestions = tablesRef.current.map(t => {
+                  const isCurrentDb = (t.dbName || '').toLowerCase() === currentDatabase.toLowerCase();
+                  const label = isCurrentDb ? t.tableName : `${t.dbName}.${t.tableName}`;
+                  const insertText = isCurrentDb ? t.tableName : `${t.dbName}.${t.tableName}`;
+                  return {
+                      label,
+                      kind: monaco.languages.CompletionItemKind.Class,
+                      insertText,
+                      detail: `Table (${t.dbName})`,
                       range,
-                      sortText: '0' + c.name
-                  }));
+                      sortText: isCurrentDb ? '10' + t.tableName : '11' + t.tableName // 表次优先
+                  };
+              });
+
+              // 数据库提示
+              const dbSuggestions = visibleDbsRef.current.map(db => ({
+                  label: db,
+                  kind: monaco.languages.CompletionItemKind.Module,
+                  insertText: db,
+                  detail: 'Database',
+                  range,
+                  sortText: '20' + db // 数据库最后
+              }));
+
+              // 关键字提示
+              const keywordSuggestions = ['SELECT', 'FROM', 'WHERE', 'LIMIT', 'INSERT', 'UPDATE', 'DELETE', 'JOIN', 'LEFT', 'RIGHT', 'INNER', 'OUTER', 'ON', 'GROUP BY', 'ORDER BY', 'AS', 'AND', 'OR', 'NOT', 'NULL', 'IS', 'IN', 'VALUES', 'SET', 'CREATE', 'TABLE', 'DROP', 'ALTER', 'Add', 'MODIFY', 'CHANGE', 'COLUMN', 'KEY', 'PRIMARY', 'FOREIGN', 'REFERENCES', 'CONSTRAINT', 'DEFAULT', 'AUTO_INCREMENT', 'COMMENT', 'SHOW', 'DESCRIBE', 'EXPLAIN'].map(k => ({
+                  label: k,
+                  kind: monaco.languages.CompletionItemKind.Keyword,
+                  insertText: k,
+                  range,
+                  sortText: '30' + k // 关键字权重最低
+              }));
 
               const suggestions = [
-                  ...['SELECT', 'FROM', 'WHERE', 'LIMIT', 'INSERT', 'UPDATE', 'DELETE', 'JOIN', 'LEFT', 'RIGHT', 'INNER', 'OUTER', 'ON', 'GROUP BY', 'ORDER BY', 'AS', 'AND', 'OR', 'NOT', 'NULL', 'IS', 'IN', 'VALUES', 'SET', 'CREATE', 'TABLE', 'DROP', 'ALTER', 'Add', 'MODIFY', 'CHANGE', 'COLUMN', 'KEY', 'PRIMARY', 'FOREIGN', 'REFERENCES', 'CONSTRAINT', 'DEFAULT', 'AUTO_INCREMENT', 'COMMENT', 'SHOW', 'DESCRIBE', 'EXPLAIN'].map(k => ({
-                      label: k,
-                      kind: monaco.languages.CompletionItemKind.Keyword,
-                      insertText: k,
-                      range
-                  })),
-                  ...tablesRef.current.map(t => ({
-                      label: t,
-                      kind: monaco.languages.CompletionItemKind.Class,
-                      insertText: t,
-                      detail: 'Table',
-                      range
-                  })),
-                  ...relevantColumns
+                  ...relevantColumns,   // FROM 表的列最优先
+                  ...tableSuggestions,  // 表次之
+                  ...dbSuggestions,     // 数据库
+                  ...keywordSuggestions // 关键字最后
               ];
               return { suggestions };
           }
@@ -787,7 +922,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
 
   const applyAutoLimit = (sql: string, dbType: string, maxRows: number): { sql: string; applied: boolean; maxRows: number } => {
       const normalizedType = (dbType || 'mysql').toLowerCase();
-      const supportsLimit = normalizedType === 'mysql' || normalizedType === 'postgres' || normalizedType === 'kingbase' || normalizedType === 'sqlite' || normalizedType === '';
+      const supportsLimit = normalizedType === 'mysql' || normalizedType === 'mariadb' || normalizedType === 'diros' || normalizedType === 'sphinx' || normalizedType === 'postgres' || normalizedType === 'kingbase' || normalizedType === 'sqlite' || normalizedType === 'duckdb' || normalizedType === 'tdengine' || normalizedType === 'clickhouse' || normalizedType === '';
       if (!supportsLimit) return { sql, applied: false, maxRows };
       if (!Number.isFinite(maxRows) || maxRows <= 0) return { sql, applied: false, maxRows };
 
@@ -865,6 +1000,8 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
         const nextResultSets: ResultSet[] = [];
         const maxRows = Number(queryOptions?.maxRows) || 0;
         const dbType = String((config as any).type || 'mysql');
+        const normalizedDbType = dbType.toLowerCase();
+        const forceReadOnlyResult = normalizedDbType === 'tdengine' || normalizedDbType === 'clickhouse';
         const wantsLimitProbe = Number.isFinite(maxRows) && maxRows > 0;
         const probeLimit = wantsLimitProbe ? (maxRows + 1) : 0;
         let anyTruncated = false;
@@ -921,7 +1058,9 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
                 const tableMatch = rawStatement.match(/^\s*SELECT\s+\*\s+FROM\s+[`"]?(\w+)[`"]?\s*(?:WHERE.*)?(?:ORDER BY.*)?(?:LIMIT.*)?$/i);
                 if (tableMatch) {
                     simpleTableName = tableMatch[1];
-                    pendingPk.push({ resultKey: `result-${idx + 1}`, tableName: simpleTableName });
+                    if (!forceReadOnlyResult) {
+                        pendingPk.push({ resultKey: `result-${idx + 1}`, tableName: simpleTableName });
+                    }
                 }
 
                 nextResultSets.push({
@@ -1075,7 +1214,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
           transition: none !important;
         }
       `}</style>
-      <div style={{ padding: '8px', borderBottom: '1px solid #eee', display: 'flex', gap: '8px', flexShrink: 0, alignItems: 'center' }}>
+      <div style={{ padding: '8px', display: 'flex', gap: '8px', flexShrink: 0, alignItems: 'center' }}>
         <Select 
             style={{ width: 150 }} 
             placeholder="选择连接"
@@ -1129,11 +1268,11 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
         </Button.Group>
       </div>
       
-      <div style={{ height: editorHeight, minHeight: '100px', borderBottom: '1px solid #eee' }}>
+      <div style={{ height: editorHeight, minHeight: '100px' }}>
         <Editor 
           height="100%" 
           defaultLanguage="sql" 
-          theme={darkMode ? "vs-dark" : "light"}
+          theme={darkMode ? "transparent-dark" : "transparent-light"}
           value={query} 
           onChange={(val) => setQuery(val || '')}
           onMount={handleEditorDidMount}
@@ -1151,7 +1290,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {
         style={{ 
             height: '5px', 
             cursor: 'row-resize', 
-            background: darkMode ? '#333' : '#f0f0f0',
+            background: darkMode ? 'rgba(255,255,255,0.08)' : 'rgba(0,0,0,0.04)',
             flexShrink: 0,
             zIndex: 10 
         }} 

frontend/src/components/RedisCommandEditor.tsx

@@ -0,0 +1,205 @@
+import React, { useState, useCallback, useRef } from 'react';
+import { Button, Space, message } from 'antd';
+import { PlayCircleOutlined, ClearOutlined } from '@ant-design/icons';
+import { useStore } from '../store';
+import Editor, { OnMount } from '@monaco-editor/react';
+
+interface RedisCommandEditorProps {
+    connectionId: string;
+    redisDB: number;
+}
+
+interface CommandResult {
+    command: string;
+    result: any;
+    error?: string;
+    timestamp: number;
+}
+
+const RedisCommandEditor: React.FC<RedisCommandEditorProps> = ({ connectionId, redisDB }) => {
+    const { connections } = useStore();
+    const connection = connections.find(c => c.id === connectionId);
+
+    const [command, setCommand] = useState('');
+    const [results, setResults] = useState<CommandResult[]>([]);
+    const [loading, setLoading] = useState(false);
+    const editorRef = useRef<any>(null);
+
+    const getConfig = useCallback(() => {
+        if (!connection) return null;
+        return {
+            ...connection.config,
+            port: Number(connection.config.port),
+            password: connection.config.password || "",
+            useSSH: connection.config.useSSH || false,
+            ssh: connection.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" },
+            redisDB: redisDB
+        };
+    }, [connection, redisDB]);
+
+    const handleEditorMount: OnMount = (editor) => {
+        editorRef.current = editor;
+        // Add keyboard shortcut for execute
+        editor.addCommand(
+            // Ctrl/Cmd + Enter
+            2048 | 3, // KeyMod.CtrlCmd | KeyCode.Enter
+            () => handleExecute()
+        );
+    };
+
+    const handleExecute = async () => {
+        const config = getConfig();
+        if (!config) return;
+
+        const cmdToExecute = command.trim();
+        if (!cmdToExecute) {
+            message.warning('请输入命令');
+            return;
+        }
+
+        // Support multiple commands separated by newlines
+        const commands = cmdToExecute.split('\n').filter(c => c.trim() && !c.trim().startsWith('//') && !c.trim().startsWith('#'));
+
+        setLoading(true);
+        const newResults: CommandResult[] = [];
+
+        for (const cmd of commands) {
+            const trimmedCmd = cmd.trim();
+            if (!trimmedCmd) continue;
+
+            try {
+                const res = await (window as any).go.app.App.RedisExecuteCommand(config, trimmedCmd);
+                newResults.push({
+                    command: trimmedCmd,
+                    result: res.success ? res.data : null,
+                    error: res.success ? undefined : res.message,
+                    timestamp: Date.now()
+                });
+            } catch (e: any) {
+                newResults.push({
+                    command: trimmedCmd,
+                    result: null,
+                    error: e?.message || String(e),
+                    timestamp: Date.now()
+                });
+            }
+        }
+
+        setResults(prev => [...newResults, ...prev]);
+        setLoading(false);
+    };
+
+    const handleClear = () => {
+        setResults([]);
+    };
+
+    const formatResult = (result: any): string => {
+        if (result === null || result === undefined) {
+            return '(nil)';
+        }
+        if (typeof result === 'string') {
+            return `"${result}"`;
+        }
+        if (typeof result === 'number') {
+            return `(integer) ${result}`;
+        }
+        if (Array.isArray(result)) {
+            if (result.length === 0) {
+                return '(empty array)';
+            }
+            return result.map((item, index) => `${index + 1}) ${formatResult(item)}`).join('\n');
+        }
+        if (typeof result === 'object') {
+            return JSON.stringify(result, null, 2);
+        }
+        return String(result);
+    };
+
+    if (!connection) {
+        return <div style={{ padding: 20 }}>连接不存在</div>;
+    }
+
+    return (
+        <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
+            {/* Command Input */}
+            <div style={{ borderBottom: '1px solid #f0f0f0' }}>
+                <div style={{ padding: '8px 12px', borderBottom: '1px solid #f0f0f0', display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+                    <Space>
+                        <span style={{ fontWeight: 500 }}>Redis 命令</span>
+                        <span style={{ color: '#999', fontSize: 12 }}>db{redisDB}</span>
+                    </Space>
+                    <Space>
+                        <Button
+                            type="primary"
+                            icon={<PlayCircleOutlined />}
+                            onClick={handleExecute}
+                            loading={loading}
+                        >
+                            执行 (Ctrl+Enter)
+                        </Button>
+                        <Button icon={<ClearOutlined />} onClick={handleClear}>清空结果</Button>
+                    </Space>
+                </div>
+                <Editor
+                    height="150px"
+                    defaultLanguage="plaintext"
+                    value={command}
+                    onChange={(value) => setCommand(value || '')}
+                    onMount={handleEditorMount}
+                    options={{
+                        minimap: { enabled: false },
+                        lineNumbers: 'on',
+                        fontSize: 14,
+                        wordWrap: 'on',
+                        scrollBeyondLastLine: false,
+                        automaticLayout: true,
+                        tabSize: 2
+                    }}
+                />
+            </div>
+
+            {/* Results */}
+            <div style={{ flex: 1, overflow: 'auto', background: '#1e1e1e', color: '#d4d4d4', fontFamily: 'monospace' }}>
+                {results.length === 0 ? (
+                    <div style={{ padding: 20, color: '#666', textAlign: 'center' }}>
+                        输入 Redis 命令并按 Ctrl+Enter 执行
+                        <br />
+                        <span style={{ fontSize: 12 }}>支持多行命令，每行一个命令</span>
+                    </div>
+                ) : (
+                    results.map((item, index) => (
+                        <div key={item.timestamp + index} style={{ padding: '8px 12px', borderBottom: '1px solid #333' }}>
+                            <div style={{ color: '#569cd6', marginBottom: 4 }}>
+                                &gt; {item.command}
+                            </div>
+                            {item.error ? (
+                                <div style={{ color: '#f14c4c', whiteSpace: 'pre-wrap' }}>
+                                    (error) {item.error}
+                                </div>
+                            ) : (
+                                <div style={{ color: '#ce9178', whiteSpace: 'pre-wrap' }}>
+                                    {formatResult(item.result)}
+                                </div>
+                            )}
+                        </div>
+                    ))
+                )}
+            </div>
+
+            {/* Common Commands Help */}
+            <div style={{ padding: '8px 12px', borderTop: '1px solid #f0f0f0', background: '#fafafa', fontSize: 12, color: '#666' }}>
+                常用命令:
+                <span style={{ marginLeft: 8 }}>
+                    <code>KEYS *</code> |
+                    <code style={{ marginLeft: 8 }}>GET key</code> |
+                    <code style={{ marginLeft: 8 }}>SET key value</code> |
+                    <code style={{ marginLeft: 8 }}>HGETALL key</code> |
+                    <code style={{ marginLeft: 8 }}>INFO</code> |
+                    <code style={{ marginLeft: 8 }}>DBSIZE</code>
+                </span>
+            </div>
+        </div>
+    );
+};
+
+export default RedisCommandEditor;

frontend/src/components/TabManager.tsx

@@ -5,9 +5,40 @@ import { useStore } from '../store';
 import DataViewer from './DataViewer';
 import QueryEditor from './QueryEditor';
 import TableDesigner from './TableDesigner';
+import RedisViewer from './RedisViewer';
+import RedisCommandEditor from './RedisCommandEditor';
+import TriggerViewer from './TriggerViewer';
+import DefinitionViewer from './DefinitionViewer';
+import type { TabData } from '../types';
+
+const detectConnectionEnvLabel = (connectionName: string): string | null => {
+  const tokens = connectionName.toLowerCase().split(/[^a-z0-9]+/).filter(Boolean);
+  if (tokens.includes('prod') || tokens.includes('production')) return 'PROD';
+  if (tokens.includes('uat')) return 'UAT';
+  if (tokens.includes('dev') || tokens.includes('development')) return 'DEV';
+  if (tokens.includes('sit')) return 'SIT';
+  if (tokens.includes('stg') || tokens.includes('stage') || tokens.includes('staging') || tokens.includes('pre')) return 'STG';
+  if (tokens.includes('test') || tokens.includes('qa')) return 'TEST';
+  return null;
+};
+
+const buildTabDisplayTitle = (tab: TabData, connectionName: string | undefined): string => {
+  if (tab.type !== 'table' && tab.type !== 'design') return tab.title;
+  if (!connectionName) return tab.title;
+  const prefix = detectConnectionEnvLabel(connectionName) || connectionName;
+  return `[${prefix}] ${tab.title}`;
+};
 
 const TabManager: React.FC = () => {
-  const { tabs, activeTabId, setActiveTab, closeTab, closeOtherTabs, closeTabsToLeft, closeTabsToRight, closeAllTabs } = useStore();
+  const tabs = useStore(state => state.tabs);
+  const connections = useStore(state => state.connections);
+  const activeTabId = useStore(state => state.activeTabId);
+  const setActiveTab = useStore(state => state.setActiveTab);
+  const closeTab = useStore(state => state.closeTab);
+  const closeOtherTabs = useStore(state => state.closeOtherTabs);
+  const closeTabsToLeft = useStore(state => state.closeTabsToLeft);
+  const closeTabsToRight = useStore(state => state.closeTabsToRight);
+  const closeAllTabs = useStore(state => state.closeAllTabs);
 
   const onChange = (newActiveKey: string) => {
     setActiveTab(newActiveKey);
@@ -20,6 +51,8 @@ const TabManager: React.FC = () => {
   };
 
   const items = useMemo(() => tabs.map((tab, index) => {
+    const connectionName = connections.find((conn) => conn.id === tab.connectionId)?.name;
+    const displayTitle = buildTabDisplayTitle(tab, connectionName);
     let content;
     if (tab.type === 'query') {
       content = <QueryEditor tab={tab} />;
@@ -27,6 +60,14 @@ const TabManager: React.FC = () => {
       content = <DataViewer tab={tab} />;
     } else if (tab.type === 'design') {
       content = <TableDesigner tab={tab} />;
+    } else if (tab.type === 'redis-keys') {
+      content = <RedisViewer connectionId={tab.connectionId} redisDB={tab.redisDB ?? 0} />;
+    } else if (tab.type === 'redis-command') {
+      content = <RedisCommandEditor connectionId={tab.connectionId} redisDB={tab.redisDB ?? 0} />;
+    } else if (tab.type === 'trigger') {
+      content = <TriggerViewer tab={tab} />;
+    } else if (tab.type === 'view-def' || tab.type === 'routine-def') {
+      content = <DefinitionViewer tab={tab} />;
     }
 
     const menuItems: MenuProps['items'] = [
@@ -60,13 +101,13 @@ const TabManager: React.FC = () => {
     return {
       label: (
         <Dropdown menu={{ items: menuItems }} trigger={['contextMenu']}>
-          <span onContextMenu={(e) => e.preventDefault()}>{tab.title}</span>
+          <span onContextMenu={(e) => e.preventDefault()}>{displayTitle}</span>
         </Dropdown>
       ),
       key: tab.id,
       children: content,
     };
-  }), [tabs, closeOtherTabs, closeTabsToLeft, closeTabsToRight, closeAllTabs]);
+  }), [tabs, connections, closeOtherTabs, closeTabsToLeft, closeTabsToRight, closeAllTabs]);
 
   return (
     <>
@@ -75,6 +116,7 @@ const TabManager: React.FC = () => {
               height: 100%;
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
               display: flex;
               flex-direction: column;
               overflow: hidden;
@@ -85,6 +127,7 @@ const TabManager: React.FC = () => {
             .main-tabs .ant-tabs-content-holder {
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
               overflow: hidden;
               display: flex;
               flex-direction: column;
@@ -92,12 +135,14 @@ const TabManager: React.FC = () => {
             .main-tabs .ant-tabs-content {
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
               display: flex;
               flex-direction: column;
             }
             .main-tabs .ant-tabs-tabpane {
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
               display: flex;
               flex-direction: column;
               overflow: hidden;
@@ -105,10 +150,14 @@ const TabManager: React.FC = () => {
             .main-tabs .ant-tabs-tabpane > div {
               flex: 1 1 auto;
               min-height: 0;
+              min-width: 0;
             }
             .main-tabs .ant-tabs-tabpane-hidden {
               display: none !important;
             }
+            .main-tabs .ant-tabs-nav::before {
+                border-bottom: none !important;
+            }
         `}</style>
         <Tabs
             className="main-tabs"

frontend/src/components/TriggerViewer.tsx

@@ -0,0 +1,340 @@
+import React, { useState, useEffect } from 'react';
+import Editor, { loader } from '@monaco-editor/react';
+import { Spin, Alert } from 'antd';
+import { TabData } from '../types';
+import { useStore } from '../store';
+import { DBQuery } from '../../wailsjs/go/app/App';
+
+interface TriggerViewerProps {
+    tab: TabData;
+}
+
+const TriggerViewer: React.FC<TriggerViewerProps> = ({ tab }) => {
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState<string | null>(null);
+    const [triggerDefinition, setTriggerDefinition] = useState<string>('');
+
+    const connections = useStore(state => state.connections);
+    const theme = useStore(state => state.theme);
+    const darkMode = theme === 'dark';
+
+    // 初始化透明 Monaco Editor 主题
+    useEffect(() => {
+        loader.init().then(monaco => {
+            monaco.editor.defineTheme('transparent-dark', {
+                base: 'vs-dark',
+                inherit: true,
+                rules: [],
+                colors: {
+                    'editor.background': '#00000000',
+                    'editor.lineHighlightBackground': '#ffffff10',
+                    'editorGutter.background': '#00000000',
+                }
+            });
+            monaco.editor.defineTheme('transparent-light', {
+                base: 'vs',
+                inherit: true,
+                rules: [],
+                colors: {
+                    'editor.background': '#00000000',
+                    'editor.lineHighlightBackground': '#00000010',
+                    'editorGutter.background': '#00000000',
+                }
+            });
+        });
+    }, []);
+
+    const escapeSQLLiteral = (raw: string): string => String(raw || '').replace(/'/g, "''");
+    const quoteSqlServerIdentifier = (raw: string): string => `[${String(raw || '').replace(/]/g, ']]')}]`;
+
+    const getMetadataDialect = (conn: any): string => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'custom') {
+            const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+            if (driver === 'diros' || driver === 'doris') return 'mysql';
+            return driver;
+        }
+        if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
+        if (type === 'dameng') return 'dm';
+        return type;
+    };
+
+    const isSphinxConnection = (conn: any): boolean => {
+        const type = String(conn?.config?.type || '').trim().toLowerCase();
+        if (type === 'sphinx') return true;
+        if (type !== 'custom') return false;
+        const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+        return driver === 'sphinx' || driver === 'sphinxql';
+    };
+
+    const buildShowTriggerQueries = (dialect: string, triggerName: string, dbName: string): string[] => {
+        const safeTriggerName = escapeSQLLiteral(triggerName);
+        const safeDbName = escapeSQLLiteral(dbName);
+        switch (dialect) {
+            case 'mysql':
+                return [
+                    `SHOW CREATE TRIGGER \`${triggerName.replace(/`/g, '``')}\``,
+                    safeDbName
+                        ? `SELECT ACTION_STATEMENT AS trigger_definition FROM information_schema.triggers WHERE trigger_schema = '${safeDbName}' AND trigger_name = '${safeTriggerName}' LIMIT 1`
+                        : '',
+                    safeDbName
+                        ? `SHOW TRIGGERS FROM \`${dbName.replace(/`/g, '``')}\` LIKE '${safeTriggerName}'`
+                        : `SHOW TRIGGERS LIKE '${safeTriggerName}'`,
+                ].filter(Boolean);
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase':
+                return [`SELECT pg_get_triggerdef(t.oid, true) AS trigger_definition
+FROM pg_trigger t
+JOIN pg_class c ON t.tgrelid = c.oid
+WHERE t.tgname = '${safeTriggerName}'
+  AND NOT t.tgisinternal
+LIMIT 1`];
+            case 'sqlserver': {
+                return [`SELECT OBJECT_DEFINITION(OBJECT_ID('${safeTriggerName.replace(/'/g, "''")}')) AS trigger_definition`];
+            }
+            case 'oracle':
+            case 'dm':
+                if (!safeDbName) {
+                    return [`SELECT TRIGGER_BODY FROM USER_TRIGGERS WHERE TRIGGER_NAME = '${safeTriggerName.toUpperCase()}'`];
+                }
+                return [`SELECT TRIGGER_BODY FROM ALL_TRIGGERS WHERE OWNER = '${safeDbName.toUpperCase()}' AND TRIGGER_NAME = '${safeTriggerName.toUpperCase()}'`];
+            case 'sqlite':
+                return [`SELECT sql FROM sqlite_master WHERE type = 'trigger' AND name = '${safeTriggerName}'`];
+            case 'duckdb':
+                return [`-- DuckDB 不支持触发器`];
+            case 'tdengine':
+                return [`-- TDengine 不支持触发器`];
+            case 'mongodb':
+                return [`-- MongoDB 不支持触发器`];
+            default:
+                return [`-- 暂不支持该数据库类型的触发器定义查看`];
+        }
+    };
+
+    const runQueryCandidates = async (
+        config: Record<string, any>,
+        dbName: string,
+        queries: string[]
+    ): Promise<{ success: boolean; data: any[]; message?: string }> => {
+        let lastMessage = '';
+        let hasSuccessfulQuery = false;
+        for (const query of queries) {
+            const sql = String(query || '').trim();
+            if (!sql) continue;
+            try {
+                const result = await DBQuery(config as any, dbName, sql);
+                if (!result.success || !Array.isArray(result.data)) {
+                    lastMessage = result.message || lastMessage;
+                    continue;
+                }
+                hasSuccessfulQuery = true;
+                if (result.data.length > 0) {
+                    return { success: true, data: result.data };
+                }
+            } catch (error: any) {
+                lastMessage = error?.message || String(error);
+            }
+        }
+        if (hasSuccessfulQuery) {
+            return { success: true, data: [] };
+        }
+        return { success: false, data: [], message: lastMessage };
+    };
+
+    const getVersionHint = async (config: Record<string, any>, dbName: string): Promise<string> => {
+        const candidates = [
+            `SELECT VERSION() AS version`,
+            `SHOW VARIABLES LIKE 'version'`,
+        ];
+        for (const query of candidates) {
+            try {
+                const result = await DBQuery(config as any, dbName, query);
+                if (!result.success || !Array.isArray(result.data) || result.data.length === 0) {
+                    continue;
+                }
+                const row = result.data[0] as Record<string, any>;
+                const version =
+                    row.version
+                    || row.VERSION
+                    || row.Value
+                    || row.value
+                    || Object.values(row)[1]
+                    || Object.values(row)[0];
+                const text = String(version || '').trim();
+                if (text) return text;
+            } catch {
+                // ignore
+            }
+        }
+        return '';
+    };
+
+    const extractTriggerDefinition = (dialect: string, data: any[]): string => {
+        if (!data || data.length === 0) {
+            return '-- 未找到触发器定义';
+        }
+
+        const row = data[0];
+
+        switch (dialect) {
+            case 'mysql': {
+                // MySQL SHOW CREATE TRIGGER returns: Trigger, sql_mode, SQL Original Statement, ...
+                const keys = Object.keys(row);
+                if (row.trigger_definition || row.TRIGGER_DEFINITION) {
+                    return String(row.trigger_definition || row.TRIGGER_DEFINITION);
+                }
+                if (row.ACTION_STATEMENT || row.action_statement) {
+                    return String(row.ACTION_STATEMENT || row.action_statement);
+                }
+                const sqlKey = keys.find(k => k.toLowerCase().includes('statement') || k.toLowerCase() === 'sql original statement');
+                if (sqlKey) return row[sqlKey];
+                // Fallback: try to find any key containing CREATE TRIGGER
+                for (const key of keys) {
+                    const val = String(row[key] || '');
+                    if (val.toUpperCase().includes('CREATE TRIGGER')) {
+                        return val;
+                    }
+                }
+                return JSON.stringify(row, null, 2);
+            }
+            case 'postgres':
+            case 'kingbase':
+            case 'highgo':
+            case 'vastbase': {
+                return row.trigger_definition || row.TRIGGER_DEFINITION || Object.values(row)[0] || '';
+            }
+            case 'sqlserver': {
+                return row.trigger_definition || row.TRIGGER_DEFINITION || Object.values(row)[0] || '';
+            }
+            case 'oracle':
+            case 'dm': {
+                return row.trigger_body || row.TRIGGER_BODY || Object.values(row)[0] || '';
+            }
+            case 'sqlite': {
+                return row.sql || row.SQL || Object.values(row)[0] || '';
+            }
+            default:
+                return JSON.stringify(row, null, 2);
+        }
+    };
+
+    useEffect(() => {
+        const loadTriggerDefinition = async () => {
+            setLoading(true);
+            setError(null);
+
+            const conn = connections.find(c => c.id === tab.connectionId);
+            if (!conn) {
+                setError('未找到数据库连接');
+                setLoading(false);
+                return;
+            }
+
+            const triggerName = tab.triggerName || '';
+            const dbName = tab.dbName || '';
+
+            if (!triggerName) {
+                setError('触发器名称为空');
+                setLoading(false);
+                return;
+            }
+
+            const dialect = getMetadataDialect(conn);
+            const queries = buildShowTriggerQueries(dialect, triggerName, dbName);
+            const sphinxLike = isSphinxConnection(conn) && dialect === 'mysql';
+
+            if (!queries.length || String(queries[0] || '').startsWith('--')) {
+                setTriggerDefinition(String(queries[0] || '-- 暂不支持该数据库类型的触发器定义查看'));
+                setLoading(false);
+                return;
+            }
+
+            try {
+                const config = {
+                    ...conn.config,
+                    port: Number(conn.config.port),
+                    password: conn.config.password || '',
+                    database: conn.config.database || '',
+                    useSSH: conn.config.useSSH || false,
+                    ssh: conn.config.ssh || { host: '', port: 22, user: '', password: '', keyPath: '' }
+                };
+
+                const result = await runQueryCandidates(config, dbName, queries);
+
+                if (result.success && Array.isArray(result.data) && result.data.length > 0) {
+                    const definition = extractTriggerDefinition(dialect, result.data);
+                    setTriggerDefinition(definition);
+                    return;
+                }
+
+                if (result.success) {
+                    if (sphinxLike) {
+                        const version = await getVersionHint(config, dbName);
+                        const versionText = version ? `（版本: ${version}）` : '';
+                        setTriggerDefinition(`-- 当前 Sphinx 实例${versionText}未返回触发器定义。\n-- 已执行多套兼容查询，可能是版本能力限制或对象类型不支持。`);
+                        return;
+                    }
+                    setTriggerDefinition('-- 未找到触发器定义');
+                } else if (sphinxLike) {
+                    const version = await getVersionHint(config, dbName);
+                    const versionText = version ? `（版本: ${version}）` : '';
+                    setTriggerDefinition(`-- 当前 Sphinx 实例${versionText}不支持触发器定义查询。\n-- 已自动尝试兼容语句，返回失败信息: ${result.message || 'unknown error'}`);
+                } else {
+                    setError(result.message || '查询触发器定义失败');
+                }
+            } catch (e: any) {
+                setError('查询触发器定义失败: ' + (e?.message || String(e)));
+            } finally {
+                setLoading(false);
+            }
+        };
+
+        loadTriggerDefinition();
+    }, [tab.connectionId, tab.dbName, tab.triggerName, connections]);
+
+    if (loading) {
+        return (
+            <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100%' }}>
+                <Spin tip="加载触发器定义..." />
+            </div>
+        );
+    }
+
+    if (error) {
+        return (
+            <div style={{ padding: 16 }}>
+                <Alert type="error" message="加载失败" description={error} showIcon />
+            </div>
+        );
+    }
+
+    return (
+        <div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
+            <div style={{ padding: '8px 16px', borderBottom: darkMode ? '1px solid #303030' : '1px solid #f0f0f0' }}>
+                <strong>触发器: </strong>{tab.triggerName}
+                {tab.dbName && <span style={{ marginLeft: 16, color: '#888' }}>数据库: {tab.dbName}</span>}
+            </div>
+            <div style={{ flex: 1, minHeight: 0 }}>
+                <Editor
+                    height="100%"
+                    language="sql"
+                    theme={darkMode ? 'transparent-dark' : 'transparent-light'}
+                    value={triggerDefinition}
+                    options={{
+                        readOnly: true,
+                        minimap: { enabled: false },
+                        fontSize: 14,
+                        lineNumbers: 'on',
+                        scrollBeyondLastLine: false,
+                        wordWrap: 'on',
+                        automaticLayout: true,
+                    }}
+                />
+            </div>
+        </div>
+    );
+};
+
+export default TriggerViewer;

frontend/src/global.d.ts

@@ -2,6 +2,13 @@ export {};
 
 declare global {
   interface Window {
+    go: any;
+    runtime: {
+        WindowMinimise: () => void;
+        WindowToggleMaximise: () => void;
+        Quit: () => void;
+        BrowserOpenURL: (url: string) => void;
+    };
     ipcRenderer: {
       send: (channel: string, ...args: any[]) => void;
       on: (channel: string, listener: (event: any, ...args: any[]) => void) => void;

frontend/src/main.tsx

@@ -3,6 +3,22 @@ import ReactDOM from 'react-dom/client'
 import App from './App'
 // import './index.css' // Optional global styles
 
+// 全局配置 Monaco Editor 使用本地打包的文件，避免从 CDN (jsdelivr) 加载。
+// Windows WebView2 环境下访问外部 CDN 可能失败，导致编辑器一直显示 Loading。
+import { loader } from '@monaco-editor/react'
+import * as monaco from 'monaco-editor'
+loader.config({ monaco })
+
+// 全局注册透明主题，避免每个 Editor 组件 beforeMount 中重复定义
+monaco.editor.defineTheme('transparent-dark', {
+  base: 'vs-dark', inherit: true, rules: [],
+  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#ffffff10', 'editorGutter.background': '#00000000' }
+})
+monaco.editor.defineTheme('transparent-light', {
+  base: 'vs', inherit: true, rules: [],
+  colors: { 'editor.background': '#00000000', 'editor.lineHighlightBackground': '#00000010', 'editorGutter.background': '#00000000' }
+})
+
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <React.StrictMode>
     <App />

frontend/src/store.ts

@@ -1,6 +1,293 @@
 import { create } from 'zustand';
 import { persist } from 'zustand/middleware';
-import { SavedConnection, TabData, SavedQuery } from './types';
+import { ConnectionConfig, ProxyConfig, SavedConnection, TabData, SavedQuery } from './types';
+
+const DEFAULT_APPEARANCE = { opacity: 1.0, blur: 0 };
+const DEFAULT_STARTUP_FULLSCREEN = false;
+const LEGACY_DEFAULT_OPACITY = 0.95;
+const OPACITY_EPSILON = 1e-6;
+const MAX_URI_LENGTH = 4096;
+const MAX_HOST_ENTRY_LENGTH = 512;
+const MAX_HOST_ENTRIES = 64;
+const DEFAULT_TIMEOUT_SECONDS = 30;
+const MAX_TIMEOUT_SECONDS = 3600;
+const PERSIST_VERSION = 4;
+const DEFAULT_CONNECTION_TYPE = 'mysql';
+const DEFAULT_GLOBAL_PROXY: GlobalProxyConfig = {
+  enabled: false,
+  type: 'socks5',
+  host: '',
+  port: 1080,
+  user: '',
+  password: '',
+};
+const SUPPORTED_CONNECTION_TYPES = new Set([
+  'mysql',
+  'mariadb',
+  'doris',
+  'diros',
+  'sphinx',
+  'clickhouse',
+  'postgres',
+  'redis',
+  'tdengine',
+  'oracle',
+  'dameng',
+  'kingbase',
+  'sqlserver',
+  'mongodb',
+  'highgo',
+  'vastbase',
+  'sqlite',
+  'duckdb',
+  'custom',
+]);
+
+const getDefaultPortByType = (type: string): number => {
+  switch (type) {
+    case 'mysql':
+    case 'mariadb':
+      return 3306;
+    case 'doris':
+    case 'diros':
+      return 9030;
+    case 'duckdb':
+      return 0;
+    case 'sphinx':
+      return 9306;
+    case 'clickhouse':
+      return 9000;
+    case 'postgres':
+    case 'vastbase':
+      return 5432;
+    case 'redis':
+      return 6379;
+    case 'tdengine':
+      return 6041;
+    case 'oracle':
+      return 1521;
+    case 'dameng':
+      return 5236;
+    case 'kingbase':
+      return 54321;
+    case 'sqlserver':
+      return 1433;
+    case 'mongodb':
+      return 27017;
+    case 'highgo':
+      return 5866;
+    default:
+      return 3306;
+  }
+};
+
+const toTrimmedString = (value: unknown, fallback = ''): string => {
+  if (typeof value === 'string') {
+    return value.trim();
+  }
+  if (typeof value === 'number' || typeof value === 'boolean') {
+    return String(value).trim();
+  }
+  return fallback;
+};
+
+const normalizePort = (value: unknown, fallbackPort: number): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed)) return fallbackPort;
+  const port = Math.trunc(parsed);
+  if (port <= 0 || port > 65535) return fallbackPort;
+  return port;
+};
+
+const normalizeIntegerInRange = (value: unknown, fallbackValue: number, min: number, max: number): number => {
+  const parsed = Number(value);
+  if (!Number.isFinite(parsed)) return fallbackValue;
+  const normalized = Math.trunc(parsed);
+  if (normalized < min || normalized > max) return fallbackValue;
+  return normalized;
+};
+
+const isValidHostEntry = (entry: string): boolean => {
+  if (!entry) return false;
+  if (entry.length > MAX_HOST_ENTRY_LENGTH) return false;
+  if (/[()\\/\s]/.test(entry)) return false;
+  return true;
+};
+
+const sanitizeStringArray = (value: unknown, maxLength = 256): string[] => {
+  if (!Array.isArray(value)) return [];
+  const seen = new Set<string>();
+  const result: string[] = [];
+  value.forEach((entry) => {
+    const normalized = toTrimmedString(entry);
+    if (!normalized || normalized.length > maxLength) return;
+    if (seen.has(normalized)) return;
+    seen.add(normalized);
+    result.push(normalized);
+  });
+  return result;
+};
+
+const sanitizeNumberArray = (value: unknown, min: number, max: number): number[] => {
+  if (!Array.isArray(value)) return [];
+  const seen = new Set<number>();
+  const result: number[] = [];
+  value.forEach((entry) => {
+    const parsed = Number(entry);
+    if (!Number.isFinite(parsed)) return;
+    const num = Math.trunc(parsed);
+    if (num < min || num > max) return;
+    if (seen.has(num)) return;
+    seen.add(num);
+    result.push(num);
+  });
+  return result;
+};
+
+const sanitizeAddressList = (value: unknown): string[] => {
+  const all = sanitizeStringArray(value, MAX_HOST_ENTRY_LENGTH)
+    .filter((entry) => isValidHostEntry(entry));
+  return all.slice(0, MAX_HOST_ENTRIES);
+};
+
+const normalizeConnectionType = (value: unknown): string => {
+  const type = toTrimmedString(value).toLowerCase();
+  if (type === 'doris') {
+    return 'diros';
+  }
+  return SUPPORTED_CONNECTION_TYPES.has(type) ? type : DEFAULT_CONNECTION_TYPE;
+};
+
+const sanitizeConnectionConfig = (value: unknown): ConnectionConfig => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const type = normalizeConnectionType(raw.type);
+  const defaultPort = getDefaultPortByType(type);
+  const savePassword = typeof raw.savePassword === 'boolean' ? raw.savePassword : true;
+  const mongoSrv = !!raw.mongoSrv;
+
+  const sshRaw = (raw.ssh && typeof raw.ssh === 'object') ? raw.ssh as Record<string, unknown> : {};
+  const ssh = {
+    host: toTrimmedString(sshRaw.host),
+    port: normalizePort(sshRaw.port, 22),
+    user: toTrimmedString(sshRaw.user),
+    password: toTrimmedString(sshRaw.password),
+    keyPath: toTrimmedString(sshRaw.keyPath),
+  };
+  const proxyRaw = (raw.proxy && typeof raw.proxy === 'object') ? raw.proxy as Record<string, unknown> : {};
+  const proxyTypeRaw = toTrimmedString(proxyRaw.type, 'socks5').toLowerCase();
+  const proxyType: 'socks5' | 'http' = proxyTypeRaw === 'http' ? 'http' : 'socks5';
+  const proxy = {
+    type: proxyType,
+    host: toTrimmedString(proxyRaw.host),
+    port: normalizePort(proxyRaw.port, proxyTypeRaw === 'http' ? 8080 : 1080),
+    user: toTrimmedString(proxyRaw.user),
+    password: toTrimmedString(proxyRaw.password),
+  };
+
+  const safeConfig: ConnectionConfig & Record<string, unknown> = {
+    ...raw,
+    type,
+    host: toTrimmedString(raw.host, 'localhost') || 'localhost',
+    port: normalizePort(raw.port, defaultPort),
+    user: toTrimmedString(raw.user),
+    password: savePassword ? toTrimmedString(raw.password) : '',
+    savePassword,
+    database: toTrimmedString(raw.database),
+    useSSH: !!raw.useSSH,
+    ssh,
+    useProxy: !!raw.useProxy,
+    proxy,
+    uri: toTrimmedString(raw.uri).slice(0, MAX_URI_LENGTH),
+    hosts: sanitizeAddressList(raw.hosts),
+    topology: raw.topology === 'replica' ? 'replica' : 'single',
+    mysqlReplicaUser: toTrimmedString(raw.mysqlReplicaUser),
+    mysqlReplicaPassword: savePassword ? toTrimmedString(raw.mysqlReplicaPassword) : '',
+    replicaSet: toTrimmedString(raw.replicaSet),
+    authSource: toTrimmedString(raw.authSource),
+    readPreference: toTrimmedString(raw.readPreference),
+    mongoSrv,
+    mongoAuthMechanism: toTrimmedString(raw.mongoAuthMechanism),
+    mongoReplicaUser: toTrimmedString(raw.mongoReplicaUser),
+    mongoReplicaPassword: savePassword ? toTrimmedString(raw.mongoReplicaPassword) : '',
+    timeout: normalizeIntegerInRange(raw.timeout, DEFAULT_TIMEOUT_SECONDS, 1, MAX_TIMEOUT_SECONDS),
+  };
+
+  if (type === 'redis') {
+    safeConfig.redisDB = normalizeIntegerInRange(raw.redisDB, 0, 0, 15);
+  }
+
+  if (type === 'custom') {
+    safeConfig.driver = toTrimmedString(raw.driver);
+    safeConfig.dsn = toTrimmedString(raw.dsn).slice(0, MAX_URI_LENGTH);
+  }
+
+  return safeConfig;
+};
+
+const resolveConnectionConfigPayload = (raw: Record<string, unknown>): unknown => {
+  if (raw.config && typeof raw.config === 'object') {
+    return raw.config;
+  }
+  // 兼容历史/导入场景：连接对象可能是扁平结构（无 config 包装）。
+  const hasLegacyFlatConfig =
+    raw.type !== undefined ||
+    raw.host !== undefined ||
+    raw.port !== undefined ||
+    raw.user !== undefined ||
+    raw.database !== undefined;
+  if (hasLegacyFlatConfig) {
+    return raw;
+  }
+  return undefined;
+};
+
+const sanitizeSavedConnection = (value: unknown, index: number): SavedConnection | null => {
+  if (!value || typeof value !== 'object') return null;
+  const raw = value as Record<string, unknown>;
+  const config = sanitizeConnectionConfig(resolveConnectionConfigPayload(raw));
+  const id = toTrimmedString(raw.id, `conn-${index + 1}`) || `conn-${index + 1}`;
+  const displayType = config.type === 'diros' ? 'doris' : config.type;
+  const fallbackName = config.host ? `${displayType}-${config.host}` : `连接-${index + 1}`;
+  const name = toTrimmedString(raw.name, fallbackName) || fallbackName;
+  const includeDatabases = sanitizeStringArray(raw.includeDatabases, 256);
+  const includeRedisDatabases = sanitizeNumberArray(raw.includeRedisDatabases, 0, 15);
+
+  return {
+    id,
+    name,
+    config,
+    includeDatabases: includeDatabases.length > 0 ? includeDatabases : undefined,
+    includeRedisDatabases: includeRedisDatabases.length > 0 ? includeRedisDatabases : undefined,
+  };
+};
+
+const sanitizeConnections = (value: unknown): SavedConnection[] => {
+  if (!Array.isArray(value)) return [];
+  const result: SavedConnection[] = [];
+  const idSet = new Set<string>();
+
+  value.forEach((entry, index) => {
+    const conn = sanitizeSavedConnection(entry, index);
+    if (!conn) return;
+    let nextId = conn.id;
+    if (idSet.has(nextId)) {
+      nextId = `${nextId}-${index + 1}`;
+    }
+    idSet.add(nextId);
+    result.push({ ...conn, id: nextId });
+  });
+
+  return result;
+};
+
+const isLegacyDefaultAppearance = (appearance: Partial<{ opacity: number; blur: number }> | undefined): boolean => {
+  if (!appearance) {
+    return true;
+  }
+  const opacity = typeof appearance.opacity === 'number' ? appearance.opacity : LEGACY_DEFAULT_OPACITY;
+  const blur = typeof appearance.blur === 'number' ? appearance.blur : 0;
+  return Math.abs(opacity - LEGACY_DEFAULT_OPACITY) < OPACITY_EPSILON && blur === 0;
+};
 
 export interface SqlLog {
   id: string;
@@ -13,26 +300,43 @@ export interface SqlLog {
   affectedRows?: number;
 }
 
+export interface QueryOptions {
+  maxRows: number;
+  showColumnComment: boolean;
+  showColumnType: boolean;
+}
+
+export interface GlobalProxyConfig extends ProxyConfig {
+  enabled: boolean;
+}
+
 interface AppState {
   connections: SavedConnection[];
   tabs: TabData[];
   activeTabId: string | null;
   activeContext: { connectionId: string; dbName: string } | null;
   savedQueries: SavedQuery[];
-  darkMode: boolean;
+  theme: 'light' | 'dark';
+  appearance: { opacity: number; blur: number };
+  startupFullscreen: boolean;
+  globalProxy: GlobalProxyConfig;
   sqlFormatOptions: { keywordCase: 'upper' | 'lower' };
-  queryOptions: { maxRows: number };
+  queryOptions: QueryOptions;
   sqlLogs: SqlLog[];
-  
+  tableAccessCount: Record<string, number>;
+  tableSortPreference: Record<string, 'name' | 'frequency'>;
+
   addConnection: (conn: SavedConnection) => void;
   updateConnection: (conn: SavedConnection) => void;
   removeConnection: (id: string) => void;
-  
+
   addTab: (tab: TabData) => void;
   closeTab: (id: string) => void;
   closeOtherTabs: (id: string) => void;
   closeTabsToLeft: (id: string) => void;
   closeTabsToRight: (id: string) => void;
+  closeTabsByConnection: (connectionId: string) => void;
+  closeTabsByDatabase: (connectionId: string, dbName: string) => void;
   closeAllTabs: () => void;
   setActiveTab: (id: string) => void;
   setActiveContext: (context: { connectionId: string; dbName: string } | null) => void;
@@ -40,14 +344,128 @@ interface AppState {
   saveQuery: (query: SavedQuery) => void;
   deleteQuery: (id: string) => void;
 
-  toggleDarkMode: () => void;
+  setTheme: (theme: 'light' | 'dark') => void;
+  setAppearance: (appearance: Partial<{ opacity: number; blur: number }>) => void;
+  setStartupFullscreen: (enabled: boolean) => void;
+  setGlobalProxy: (proxy: Partial<GlobalProxyConfig>) => void;
   setSqlFormatOptions: (options: { keywordCase: 'upper' | 'lower' }) => void;
-  setQueryOptions: (options: Partial<{ maxRows: number }>) => void;
-  
+  setQueryOptions: (options: Partial<QueryOptions>) => void;
+
   addSqlLog: (log: SqlLog) => void;
   clearSqlLogs: () => void;
+
+  recordTableAccess: (connectionId: string, dbName: string, tableName: string) => void;
+  setTableSortPreference: (connectionId: string, dbName: string, sortBy: 'name' | 'frequency') => void;
 }
 
+const sanitizeSavedQueries = (value: unknown): SavedQuery[] => {
+  if (!Array.isArray(value)) return [];
+  const result: SavedQuery[] = [];
+  value.forEach((entry, index) => {
+    if (!entry || typeof entry !== 'object') return;
+    const raw = entry as Record<string, unknown>;
+    const id = toTrimmedString(raw.id, `query-${index + 1}`) || `query-${index + 1}`;
+    const sql = toTrimmedString(raw.sql);
+    const connectionId = toTrimmedString(raw.connectionId);
+    const dbName = toTrimmedString(raw.dbName);
+    if (!sql || !connectionId || !dbName) return;
+    result.push({
+      id,
+      name: toTrimmedString(raw.name, `查询-${index + 1}`) || `查询-${index + 1}`,
+      sql,
+      connectionId,
+      dbName,
+      createdAt: Number.isFinite(Number(raw.createdAt)) ? Number(raw.createdAt) : Date.now(),
+    });
+  });
+  return result;
+};
+
+const sanitizeTheme = (value: unknown): 'light' | 'dark' => (value === 'dark' ? 'dark' : 'light');
+
+const sanitizeSqlFormatOptions = (value: unknown): { keywordCase: 'upper' | 'lower' } => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  return { keywordCase: raw.keywordCase === 'lower' ? 'lower' : 'upper' };
+};
+
+const sanitizeQueryOptions = (value: unknown): QueryOptions => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const maxRows = Number(raw.maxRows);
+  const showColumnComment = typeof raw.showColumnComment === 'boolean' ? raw.showColumnComment : true;
+  const showColumnType = typeof raw.showColumnType === 'boolean' ? raw.showColumnType : true;
+  if (!Number.isFinite(maxRows) || maxRows <= 0) {
+    return { maxRows: 5000, showColumnComment, showColumnType };
+  }
+  return { maxRows: Math.min(50000, Math.trunc(maxRows)), showColumnComment, showColumnType };
+};
+
+const sanitizeTableAccessCount = (value: unknown): Record<string, number> => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const result: Record<string, number> = {};
+  Object.entries(raw).forEach(([key, count]) => {
+    const parsed = Number(count);
+    if (!Number.isFinite(parsed) || parsed < 0) return;
+    result[key] = Math.trunc(parsed);
+  });
+  return result;
+};
+
+const sanitizeTableSortPreference = (value: unknown): Record<string, 'name' | 'frequency'> => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const result: Record<string, 'name' | 'frequency'> = {};
+  Object.entries(raw).forEach(([key, preference]) => {
+    result[key] = preference === 'frequency' ? 'frequency' : 'name';
+  });
+  return result;
+};
+
+const sanitizeAppearance = (
+  appearance: Partial<{ opacity: number; blur: number }> | undefined,
+  version: number
+): { opacity: number; blur: number } => {
+  if (!appearance || typeof appearance !== 'object') {
+    return { ...DEFAULT_APPEARANCE };
+  }
+  const nextAppearance = {
+    opacity: typeof appearance.opacity === 'number' ? appearance.opacity : DEFAULT_APPEARANCE.opacity,
+    blur: typeof appearance.blur === 'number' ? appearance.blur : DEFAULT_APPEARANCE.blur,
+  };
+  if (version < 2 && isLegacyDefaultAppearance(appearance)) {
+    return { ...DEFAULT_APPEARANCE };
+  }
+  return nextAppearance;
+};
+
+const sanitizeStartupFullscreen = (value: unknown): boolean => {
+  return value === true;
+};
+
+const sanitizeGlobalProxy = (value: unknown): GlobalProxyConfig => {
+  const raw = (value && typeof value === 'object') ? value as Record<string, unknown> : {};
+  const typeRaw = toTrimmedString(raw.type, DEFAULT_GLOBAL_PROXY.type).toLowerCase();
+  const type: 'socks5' | 'http' = typeRaw === 'http' ? 'http' : 'socks5';
+  const fallbackPort = type === 'http' ? 8080 : 1080;
+  return {
+    enabled: raw.enabled === true,
+    type,
+    host: toTrimmedString(raw.host),
+    port: normalizePort(raw.port, fallbackPort),
+    user: toTrimmedString(raw.user),
+    password: toTrimmedString(raw.password),
+  };
+};
+
+const unwrapPersistedAppState = (persistedState: unknown): Record<string, unknown> => {
+  if (!persistedState || typeof persistedState !== 'object') {
+    return {};
+  }
+  const raw = persistedState as Record<string, unknown>;
+  if (raw.state && typeof raw.state === 'object') {
+    return raw.state as Record<string, unknown>;
+  }
+  return raw;
+};
+
 export const useStore = create<AppState>()(
   persist(
     (set) => ({
@@ -56,14 +474,19 @@ export const useStore = create<AppState>()(
       activeTabId: null,
       activeContext: null,
       savedQueries: [],
-      darkMode: false,
+      theme: 'light',
+      appearance: { ...DEFAULT_APPEARANCE },
+      startupFullscreen: DEFAULT_STARTUP_FULLSCREEN,
+      globalProxy: { ...DEFAULT_GLOBAL_PROXY },
       sqlFormatOptions: { keywordCase: 'upper' },
-      queryOptions: { maxRows: 5000 },
+      queryOptions: { maxRows: 5000, showColumnComment: true, showColumnType: true },
       sqlLogs: [],
+      tableAccessCount: {},
+      tableSortPreference: {},
 
       addConnection: (conn) => set((state) => ({ connections: [...state.connections, conn] })),
-      updateConnection: (conn) => set((state) => ({ 
-          connections: state.connections.map(c => c.id === conn.id ? conn : c) 
+      updateConnection: (conn) => set((state) => ({
+          connections: state.connections.map(c => c.id === conn.id ? conn : c)
       })),
       removeConnection: (id) => set((state) => ({ connections: state.connections.filter(c => c.id !== id) })),
 
@@ -109,6 +532,45 @@ export const useStore = create<AppState>()(
         return { tabs: newTabs, activeTabId: activeStillExists ? state.activeTabId : id };
       }),
 
+      closeTabsByConnection: (connectionId) => set((state) => {
+        const targetConnectionId = String(connectionId || '').trim();
+        if (!targetConnectionId) return state;
+        const newTabs = state.tabs.filter(t => String(t.connectionId || '').trim() !== targetConnectionId);
+        const activeStillExists = state.activeTabId ? newTabs.some(t => t.id === state.activeTabId) : false;
+        const nextActiveTabId = activeStillExists
+          ? state.activeTabId
+          : (newTabs.length > 0 ? newTabs[newTabs.length - 1].id : null);
+        const nextActiveContext = state.activeContext?.connectionId === targetConnectionId ? null : state.activeContext;
+        return {
+          tabs: newTabs,
+          activeTabId: nextActiveTabId,
+          activeContext: nextActiveContext,
+        };
+      }),
+
+      closeTabsByDatabase: (connectionId, dbName) => set((state) => {
+        const targetConnectionId = String(connectionId || '').trim();
+        const targetDbName = String(dbName || '').trim();
+        if (!targetConnectionId || !targetDbName) return state;
+        const newTabs = state.tabs.filter((tab) => {
+          const sameConnection = String(tab.connectionId || '').trim() === targetConnectionId;
+          const sameDb = String(tab.dbName || '').trim() === targetDbName;
+          return !(sameConnection && sameDb);
+        });
+        const activeStillExists = state.activeTabId ? newTabs.some(t => t.id === state.activeTabId) : false;
+        const nextActiveTabId = activeStillExists
+          ? state.activeTabId
+          : (newTabs.length > 0 ? newTabs[newTabs.length - 1].id : null);
+        const sameActiveContext = state.activeContext
+          && state.activeContext.connectionId === targetConnectionId
+          && state.activeContext.dbName === targetDbName;
+        return {
+          tabs: newTabs,
+          activeTabId: nextActiveTabId,
+          activeContext: sameActiveContext ? null : state.activeContext,
+        };
+      }),
+
       closeAllTabs: () => set(() => ({ tabs: [], activeTabId: null })),
       
       setActiveTab: (id) => set({ activeTabId: id }),
@@ -125,16 +587,84 @@ export const useStore = create<AppState>()(
 
       deleteQuery: (id) => set((state) => ({ savedQueries: state.savedQueries.filter(q => q.id !== id) })),
 
-      toggleDarkMode: () => set((state) => ({ darkMode: !state.darkMode })),
+      setTheme: (theme) => set({ theme }),
+      setAppearance: (appearance) => set((state) => ({ appearance: { ...state.appearance, ...appearance } })),
+      setStartupFullscreen: (enabled) => set({ startupFullscreen: !!enabled }),
+      setGlobalProxy: (proxy) => set((state) => ({ globalProxy: sanitizeGlobalProxy({ ...state.globalProxy, ...proxy }) })),
       setSqlFormatOptions: (options) => set({ sqlFormatOptions: options }),
       setQueryOptions: (options) => set((state) => ({ queryOptions: { ...state.queryOptions, ...options } })),
-      
+
       addSqlLog: (log) => set((state) => ({ sqlLogs: [log, ...state.sqlLogs].slice(0, 1000) })), // Keep last 1000 logs
       clearSqlLogs: () => set({ sqlLogs: [] }),
+
+      recordTableAccess: (connectionId, dbName, tableName) => set((state) => {
+        const key = `${connectionId}-${dbName}-${tableName}`;
+        const currentCount = state.tableAccessCount[key] || 0;
+        return {
+          tableAccessCount: {
+            ...state.tableAccessCount,
+            [key]: currentCount + 1
+          }
+        };
+      }),
+
+      setTableSortPreference: (connectionId, dbName, sortBy) => set((state) => {
+        const key = `${connectionId}-${dbName}`;
+        return {
+          tableSortPreference: {
+            ...state.tableSortPreference,
+            [key]: sortBy
+          }
+        };
+      }),
     }),
     {
       name: 'lite-db-storage', // name of the item in the storage (must be unique)
-      partialize: (state) => ({ connections: state.connections, savedQueries: state.savedQueries, darkMode: state.darkMode, sqlFormatOptions: state.sqlFormatOptions, queryOptions: state.queryOptions }), // Don't persist logs
+      version: PERSIST_VERSION,
+      migrate: (persistedState: unknown, version: number) => {
+        const state = unwrapPersistedAppState(persistedState) as Partial<AppState>;
+        const nextState: Partial<AppState> = { ...state };
+        nextState.connections = sanitizeConnections(state.connections);
+        nextState.savedQueries = sanitizeSavedQueries(state.savedQueries);
+        nextState.theme = sanitizeTheme(state.theme);
+        nextState.appearance = sanitizeAppearance(state.appearance, version);
+        nextState.startupFullscreen = sanitizeStartupFullscreen(state.startupFullscreen);
+        nextState.globalProxy = sanitizeGlobalProxy(state.globalProxy);
+        nextState.sqlFormatOptions = sanitizeSqlFormatOptions(state.sqlFormatOptions);
+        nextState.queryOptions = sanitizeQueryOptions(state.queryOptions);
+        nextState.tableAccessCount = sanitizeTableAccessCount(state.tableAccessCount);
+        nextState.tableSortPreference = sanitizeTableSortPreference(state.tableSortPreference);
+        return nextState as AppState;
+      },
+      merge: (persistedState, currentState) => {
+        const state = unwrapPersistedAppState(persistedState) as Partial<AppState>;
+        return {
+          ...currentState,
+          ...state,
+          connections: sanitizeConnections(state.connections),
+          savedQueries: sanitizeSavedQueries(state.savedQueries),
+          theme: sanitizeTheme(state.theme),
+          appearance: sanitizeAppearance(state.appearance, PERSIST_VERSION),
+          startupFullscreen: sanitizeStartupFullscreen(state.startupFullscreen),
+          globalProxy: sanitizeGlobalProxy(state.globalProxy),
+          sqlFormatOptions: sanitizeSqlFormatOptions(state.sqlFormatOptions),
+          queryOptions: sanitizeQueryOptions(state.queryOptions),
+          tableAccessCount: sanitizeTableAccessCount(state.tableAccessCount),
+          tableSortPreference: sanitizeTableSortPreference(state.tableSortPreference),
+        };
+      },
+      partialize: (state) => ({
+        connections: state.connections,
+        savedQueries: state.savedQueries,
+        theme: state.theme,
+        appearance: state.appearance,
+        startupFullscreen: state.startupFullscreen,
+        globalProxy: state.globalProxy,
+        sqlFormatOptions: state.sqlFormatOptions,
+        queryOptions: state.queryOptions,
+        tableAccessCount: state.tableAccessCount,
+        tableSortPreference: state.tableSortPreference
+      }), // Don't persist logs
     }
   )
 );

frontend/src/types.ts

@@ -6,15 +6,51 @@ export interface SSHConfig {
   keyPath?: string;
 }
 
+export interface ProxyConfig {
+  type: 'socks5' | 'http';
+  host: string;
+  port: number;
+  user?: string;
+  password?: string;
+}
+
 export interface ConnectionConfig {
   type: string;
   host: string;
   port: number;
   user: string;
   password?: string;
+  savePassword?: boolean;
   database?: string;
   useSSH?: boolean;
   ssh?: SSHConfig;
+  useProxy?: boolean;
+  proxy?: ProxyConfig;
+  driver?: string;
+  dsn?: string;
+  timeout?: number;
+  redisDB?: number; // Redis database index (0-15)
+  uri?: string; // Connection URI for copy/paste
+  hosts?: string[]; // Multi-host addresses: host:port
+  topology?: 'single' | 'replica';
+  mysqlReplicaUser?: string;
+  mysqlReplicaPassword?: string;
+  replicaSet?: string;
+  authSource?: string;
+  readPreference?: string;
+  mongoSrv?: boolean;
+  mongoAuthMechanism?: string;
+  mongoReplicaUser?: string;
+  mongoReplicaPassword?: string;
+}
+
+export interface MongoMemberInfo {
+  host: string;
+  role: string;
+  state: string;
+  stateCode?: number;
+  healthy: boolean;
+  isSelf?: boolean;
 }
 
 export interface SavedConnection {
@@ -22,6 +58,7 @@ export interface SavedConnection {
   name: string;
   config: ConnectionConfig;
   includeDatabases?: string[];
+  includeRedisDatabases?: number[]; // Redis databases to show (0-15)
 }
 
 export interface ColumnDefinition {
@@ -60,13 +97,18 @@ export interface TriggerDefinition {
 export interface TabData {
   id: string;
   title: string;
-  type: 'query' | 'table' | 'design';
+  type: 'query' | 'table' | 'design' | 'redis-keys' | 'redis-command' | 'trigger' | 'view-def' | 'routine-def';
   connectionId: string;
   dbName?: string;
   tableName?: string;
   query?: string;
   initialTab?: string;
   readOnly?: boolean;
+  redisDB?: number; // Redis database index for redis tabs
+  triggerName?: string; // Trigger name for trigger tabs
+  viewName?: string; // View name for view definition tabs
+  routineName?: string; // Routine name for function/procedure definition tabs
+  routineType?: string; // 'FUNCTION' or 'PROCEDURE'
 }
 
 export interface DatabaseNode {
@@ -85,3 +127,37 @@ export interface SavedQuery {
   dbName: string;
   createdAt: number;
 }
+
+// Redis types
+export interface RedisKeyInfo {
+  key: string;
+  type: string;
+  ttl: number;
+}
+
+export interface RedisScanResult {
+  keys: RedisKeyInfo[];
+  cursor: string;
+}
+
+export interface RedisValue {
+  type: 'string' | 'hash' | 'list' | 'set' | 'zset' | 'stream';
+  ttl: number;
+  value: any;
+  length: number;
+}
+
+export interface RedisDBInfo {
+  index: number;
+  keys: number;
+}
+
+export interface ZSetMember {
+  member: string;
+  score: number;
+}
+
+export interface StreamEntry {
+  id: string;
+  fields: Record<string, string>;
+}

frontend/src/utils/appearance.ts

@@ -0,0 +1,66 @@
+const DEFAULT_OPACITY = 1.0;
+const MIN_OPACITY = 0.1;
+const MAX_OPACITY = 1.0;
+
+// 平台透明度映射因子：值越大，滑块变化越平滑（1.0 = 线性映射）
+const MAC_OPACITY_FACTOR = 0.60;
+const MAC_BLUR_FACTOR = 1.00;
+const WINDOWS_OPACITY_FACTOR = 0.70;
+const WINDOWS_BLUR_FACTOR = 1.00;
+
+const clamp = (value: number, min: number, max: number) => Math.min(max, Math.max(min, value));
+
+export const isMacLikePlatform = (): boolean => {
+  if (typeof navigator === 'undefined') {
+    return false;
+  }
+  const platform = navigator.platform || '';
+  const ua = navigator.userAgent || '';
+  return /(Mac|iPhone|iPad|iPod)/i.test(`${platform} ${ua}`);
+};
+
+export const isWindowsPlatform = (): boolean => {
+  if (typeof navigator === 'undefined') {
+    return false;
+  }
+  const platform = navigator.platform || '';
+  const ua = navigator.userAgent || '';
+  return /(Win|Windows)/i.test(`${platform} ${ua}`);
+};
+
+const getPlatformFactors = () => {
+  if (isMacLikePlatform()) {
+    return { opacity: MAC_OPACITY_FACTOR, blur: MAC_BLUR_FACTOR };
+  }
+  if (isWindowsPlatform()) {
+    return { opacity: WINDOWS_OPACITY_FACTOR, blur: WINDOWS_BLUR_FACTOR };
+  }
+  return undefined;
+};
+
+export const normalizeOpacityForPlatform = (opacity: number | undefined): number => {
+  const raw = clamp(opacity ?? DEFAULT_OPACITY, MIN_OPACITY, MAX_OPACITY);
+  // 用户显式拉到 100%% 时，必须保持完全不透明，不能再被平台映射压低。
+  if (raw >= MAX_OPACITY - 1e-6) {
+    return MAX_OPACITY;
+  }
+  const factors = getPlatformFactors();
+  if (!factors) {
+    return raw;
+  }
+
+  return clamp(MIN_OPACITY + (raw - MIN_OPACITY) * factors.opacity, MIN_OPACITY, MAX_OPACITY);
+};
+
+export const normalizeBlurForPlatform = (blur: number | undefined): number => {
+  const raw = Math.max(0, blur ?? 0);
+  const factors = getPlatformFactors();
+  if (!factors) {
+    return raw;
+  }
+  return Math.round(raw * factors.blur);
+};
+
+export const blurToFilter = (blur: number): string | undefined => {
+  return blur > 0 ? `blur(${blur}px)` : undefined;
+};

frontend/src/utils/sql.ts

@@ -1,5 +1,6 @@
 export type FilterCondition = {
   id?: number;
+  enabled?: boolean;
   column?: string;
   op?: string;
   value?: string;
@@ -18,10 +19,37 @@ const normalizeIdentPart = (ident: string) => {
   return raw;
 };
 
+// 检查标识符是否需要引号（包含特殊字符或是保留字）
+const needsQuote = (ident: string): boolean => {
+  if (!ident) return false;
+  // 如果包含特殊字符（非字母、数字、下划线）则需要引号
+  if (!/^[a-zA-Z_][a-zA-Z0-9_]*$/.test(ident)) return true;
+  // PostgreSQL 会将未加引号的标识符折叠为小写，含大写字母时必须加引号
+  if (/[A-Z]/.test(ident)) return true;
+  // 常见 SQL 保留字列表（简化版）
+  const reserved = ['select', 'from', 'where', 'table', 'index', 'user', 'order', 'group', 'by', 'limit', 'offset', 'and', 'or', 'not', 'null', 'true', 'false', 'key', 'primary', 'foreign', 'references', 'default', 'constraint', 'create', 'drop', 'alter', 'insert', 'update', 'delete', 'set', 'values', 'into', 'join', 'left', 'right', 'inner', 'outer', 'on', 'as', 'is', 'in', 'like', 'between', 'case', 'when', 'then', 'else', 'end', 'having', 'distinct', 'all', 'any', 'exists', 'union', 'except', 'intersect'];
+  return reserved.includes(ident.toLowerCase());
+};
+
 export const quoteIdentPart = (dbType: string, ident: string) => {
   const raw = normalizeIdentPart(ident);
   if (!raw) return raw;
-  if ((dbType || '').toLowerCase() === 'mysql') return `\`${raw.replace(/`/g, '``')}\``;
+  const dbTypeLower = (dbType || '').toLowerCase();
+
+  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros' || dbTypeLower === 'sphinx' || dbTypeLower === 'tdengine' || dbTypeLower === 'clickhouse') {
+    return `\`${raw.replace(/`/g, '``')}\``;
+  }
+
+  // 对于 KingBase/PostgreSQL，只在必要时加引号
+  if (dbTypeLower === 'kingbase' || dbTypeLower === 'postgres') {
+    if (needsQuote(raw)) {
+      return `"${raw.replace(/"/g, '""')}"`;
+    }
+    // 不加引号，保持原样（数据库会自动转小写处理）
+    return raw;
+  }
+
+  // 其他数据库默认加双引号
   return `"${raw.replace(/"/g, '""')}"`;
 };
 
@@ -35,6 +63,76 @@ export const quoteQualifiedIdent = (dbType: string, ident: string) => {
 
 export const escapeLiteral = (val: string) => (val || '').replace(/'/g, "''");
 
+type SortInfo = {
+  columnKey?: string;
+  order?: string;
+} | null | undefined;
+
+// 为排序查询按库类型注入 sort_buffer 提升参数（仅影响当前语句）。
+// MySQL: 使用 Optimizer Hint `SET_VAR`。
+// MariaDB: 使用 `SET STATEMENT ... FOR` 包装当前查询。
+export const withSortBufferTuningSQL = (
+  dbType: string,
+  sql: string,
+  sortBufferBytes: number,
+) => {
+  const rawSql = String(sql || '');
+  const trimmed = rawSql.trim();
+  if (!trimmed) return rawSql;
+  if (!/^select\b/i.test(trimmed)) return rawSql;
+
+  const normalizedType = String(dbType || '').trim().toLowerCase();
+  const bytes = Math.max(256 * 1024, Math.floor(Number(sortBufferBytes) || 0));
+  if (normalizedType === 'mysql') {
+    return rawSql.replace(
+      /^\s*select\b/i,
+      (matched) => `${matched} /*+ SET_VAR(sort_buffer_size=${bytes}) */`,
+    );
+  }
+  if (normalizedType === 'mariadb') {
+    return `SET STATEMENT sort_buffer_size=${bytes} FOR ${rawSql}`;
+  }
+  return rawSql;
+};
+
+export const buildOrderBySQL = (
+  dbType: string,
+  sortInfo: SortInfo,
+  fallbackColumns: string[] = [],
+) => {
+  const dbTypeLower = String(dbType || '').trim().toLowerCase();
+  const sortColumn = normalizeIdentPart(String(sortInfo?.columnKey || ''));
+  const sortOrder = String(sortInfo?.order || '');
+  const direction = sortOrder === 'ascend' ? 'ASC' : sortOrder === 'descend' ? 'DESC' : '';
+  if (sortColumn && direction) {
+    return ` ORDER BY ${quoteIdentPart(dbType, sortColumn)} ${direction}`;
+  }
+
+  // MySQL/MariaDB 大表在无显式排序需求时强制 ORDER BY（即使按主键）可能触发 filesort，
+  // 导致 `Error 1038 (HY001): Out of sort memory`。
+  // 因此仅在用户主动点击排序时下发 ORDER BY，默认分页查询不加兜底排序。
+  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros') {
+    return '';
+  }
+
+  const seen = new Set<string>();
+  const stableColumns = (fallbackColumns || [])
+    .map((col) => normalizeIdentPart(String(col || '')))
+    .filter((col) => {
+      if (!col) return false;
+      const key = col.toLowerCase();
+      if (seen.has(key)) return false;
+      seen.add(key);
+      return true;
+    });
+  if (stableColumns.length > 0) {
+    const parts = stableColumns.map((col) => `${quoteIdentPart(dbType, col)} ASC`);
+    return ` ORDER BY ${parts.join(', ')}`;
+  }
+
+  return '';
+};
+
 export const parseListValues = (val: string) => {
   const raw = (val || '').trim();
   if (!raw) return [];
@@ -48,6 +146,8 @@ export const buildWhereSQL = (dbType: string, conditions: FilterCondition[]) =>
   const whereParts: string[] = [];
 
   (conditions || []).forEach((cond) => {
+    if (cond?.enabled === false) return;
+
     const op = (cond?.op || '').trim();
     const column = (cond?.column || '').trim();
     const value = (cond?.value ?? '').toString();
@@ -170,4 +270,3 @@ export const buildWhereSQL = (dbType: string, conditions: FilterCondition[]) =>
 
   return whereParts.length > 0 ? `WHERE ${whereParts.join(' AND ')}` : '';
 };
-

frontend/src/vite-env.d.ts

@@ -0,0 +1,2 @@
+/// <reference types="vite/client" />
+

frontend/vite.config.ts

@@ -12,4 +12,4 @@ export default defineConfig({
     outDir: 'dist', // Standard Wails output directory
     emptyOutDir: true,
   }
-})
+})

frontend/wailsjs/go/app/App.d.ts

@@ -2,9 +2,18 @@
 // This file is automatically generated. DO NOT EDIT
 import {connection} from '../models';
 import {sync} from '../models';
+import {redis} from '../models';
 
 export function ApplyChanges(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:connection.ChangeSet):Promise<connection.QueryResult>;
 
+export function CheckDriverNetworkStatus():Promise<connection.QueryResult>;
+
+export function CheckForUpdates():Promise<connection.QueryResult>;
+
+export function ConfigureDriverRuntimeDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function ConfigureGlobalProxy(arg1:boolean,arg2:connection.ProxyConfig):Promise<connection.QueryResult>;
+
 export function CreateDatabase(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
 
 export function DBConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
@@ -25,6 +34,8 @@ export function DBGetTriggers(arg1:connection.ConnectionConfig,arg2:string,arg3:
 
 export function DBQuery(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
+export function DBQueryIsolated(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
 export function DBShowCreateTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
 export function DataSync(arg1:sync.SyncConfig):Promise<sync.SyncResult>;
@@ -33,6 +44,18 @@ export function DataSyncAnalyze(arg1:sync.SyncConfig):Promise<connection.QueryRe
 
 export function DataSyncPreview(arg1:sync.SyncConfig,arg2:string,arg3:number):Promise<connection.QueryResult>;
 
+export function DownloadDriverPackage(arg1:string,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function DownloadUpdate():Promise<connection.QueryResult>;
+
+export function DropDatabase(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
+
+export function DropFunction(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function DropTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function DropView(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
 export function ExportData(arg1:Array<Record<string, any>>,arg2:Array<string>,arg3:string,arg4:string):Promise<connection.QueryResult>;
 
 export function ExportDatabaseSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:boolean):Promise<connection.QueryResult>;
@@ -41,12 +64,32 @@ export function ExportQuery(arg1:connection.ConnectionConfig,arg2:string,arg3:st
 
 export function ExportTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
 
+export function ExportTablesDataSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
 export function ExportTablesSQL(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>,arg4:boolean):Promise<connection.QueryResult>;
 
+export function GetAppInfo():Promise<connection.QueryResult>;
+
+export function GetDriverStatusList(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetDriverVersionList(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetDriverVersionPackageSize(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function GetGlobalProxyConfig():Promise<connection.QueryResult>;
+
 export function ImportConfigFile():Promise<connection.QueryResult>;
 
 export function ImportData(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
 
+export function ImportDataWithProgress(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function InstallLocalDriverPackage(arg1:string,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function InstallUpdateAndRestart():Promise<connection.QueryResult>;
+
+export function MongoDiscoverMembers(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
 export function MySQLConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
 
 export function MySQLGetDatabases(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
@@ -59,4 +102,76 @@ export function MySQLShowCreateTable(arg1:connection.ConnectionConfig,arg2:strin
 
 export function OpenSQLFile():Promise<connection.QueryResult>;
 
+export function PreviewImportFile(arg1:string):Promise<connection.QueryResult>;
+
+export function RedisConnect(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisDeleteHashField(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisDeleteKeys(arg1:connection.ConnectionConfig,arg2:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisExecuteCommand(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
+
+export function RedisFlushDB(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisGetDatabases(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisGetServerInfo(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisGetValue(arg1:connection.ConnectionConfig,arg2:string):Promise<connection.QueryResult>;
+
+export function RedisListPush(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisListSet(arg1:connection.ConnectionConfig,arg2:string,arg3:number,arg4:string):Promise<connection.QueryResult>;
+
+export function RedisRenameKey(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function RedisScanKeys(arg1:connection.ConnectionConfig,arg2:string,arg3:any,arg4:number):Promise<connection.QueryResult>;
+
+export function RedisSelectDB(arg1:connection.ConnectionConfig,arg2:number):Promise<connection.QueryResult>;
+
+export function RedisSetAdd(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisSetHashField(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function RedisSetRemove(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisSetString(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:number):Promise<connection.QueryResult>;
+
+export function RedisSetTTL(arg1:connection.ConnectionConfig,arg2:string,arg3:number):Promise<connection.QueryResult>;
+
+export function RedisStreamAdd(arg1:connection.ConnectionConfig,arg2:string,arg3:Record<string, string>,arg4:string):Promise<connection.QueryResult>;
+
+export function RedisStreamDelete(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RedisTestConnection(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;
+
+export function RedisZSetAdd(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<redis.ZSetMember>):Promise<connection.QueryResult>;
+
+export function RedisZSetRemove(arg1:connection.ConnectionConfig,arg2:string,arg3:Array<string>):Promise<connection.QueryResult>;
+
+export function RemoveDriverPackage(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function RenameDatabase(arg1:connection.ConnectionConfig,arg2:string,arg3:string):Promise<connection.QueryResult>;
+
+export function RenameTable(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function RenameView(arg1:connection.ConnectionConfig,arg2:string,arg3:string,arg4:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverDownloadDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverPackageDownloadURL(arg1:string,arg2:string):Promise<connection.QueryResult>;
+
+export function ResolveDriverRepositoryURL(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDriverDownloadDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDriverPackageDirectory(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectDriverPackageFile(arg1:string):Promise<connection.QueryResult>;
+
+export function SelectSSHKeyFile(arg1:string):Promise<connection.QueryResult>;
+
+export function SetWindowTranslucency(arg1:number,arg2:number):Promise<void>;
+
 export function TestConnection(arg1:connection.ConnectionConfig):Promise<connection.QueryResult>;

frontend/wailsjs/go/app/App.js

@@ -6,6 +6,22 @@ export function ApplyChanges(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ApplyChanges'](arg1, arg2, arg3, arg4);
 }
 
+export function CheckDriverNetworkStatus() {
+  return window['go']['app']['App']['CheckDriverNetworkStatus']();
+}
+
+export function CheckForUpdates() {
+  return window['go']['app']['App']['CheckForUpdates']();
+}
+
+export function ConfigureDriverRuntimeDirectory(arg1) {
+  return window['go']['app']['App']['ConfigureDriverRuntimeDirectory'](arg1);
+}
+
+export function ConfigureGlobalProxy(arg1, arg2) {
+  return window['go']['app']['App']['ConfigureGlobalProxy'](arg1, arg2);
+}
+
 export function CreateDatabase(arg1, arg2) {
   return window['go']['app']['App']['CreateDatabase'](arg1, arg2);
 }
@@ -46,6 +62,10 @@ export function DBQuery(arg1, arg2, arg3) {
   return window['go']['app']['App']['DBQuery'](arg1, arg2, arg3);
 }
 
+export function DBQueryIsolated(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DBQueryIsolated'](arg1, arg2, arg3);
+}
+
 export function DBShowCreateTable(arg1, arg2, arg3) {
   return window['go']['app']['App']['DBShowCreateTable'](arg1, arg2, arg3);
 }
@@ -62,6 +82,30 @@ export function DataSyncPreview(arg1, arg2, arg3) {
   return window['go']['app']['App']['DataSyncPreview'](arg1, arg2, arg3);
 }
 
+export function DownloadDriverPackage(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DownloadDriverPackage'](arg1, arg2, arg3, arg4);
+}
+
+export function DownloadUpdate() {
+  return window['go']['app']['App']['DownloadUpdate']();
+}
+
+export function DropDatabase(arg1, arg2) {
+  return window['go']['app']['App']['DropDatabase'](arg1, arg2);
+}
+
+export function DropFunction(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['DropFunction'](arg1, arg2, arg3, arg4);
+}
+
+export function DropTable(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DropTable'](arg1, arg2, arg3);
+}
+
+export function DropView(arg1, arg2, arg3) {
+  return window['go']['app']['App']['DropView'](arg1, arg2, arg3);
+}
+
 export function ExportData(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ExportData'](arg1, arg2, arg3, arg4);
 }
@@ -78,10 +122,34 @@ export function ExportTable(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ExportTable'](arg1, arg2, arg3, arg4);
 }
 
+export function ExportTablesDataSQL(arg1, arg2, arg3) {
+  return window['go']['app']['App']['ExportTablesDataSQL'](arg1, arg2, arg3);
+}
+
 export function ExportTablesSQL(arg1, arg2, arg3, arg4) {
   return window['go']['app']['App']['ExportTablesSQL'](arg1, arg2, arg3, arg4);
 }
 
+export function GetAppInfo() {
+  return window['go']['app']['App']['GetAppInfo']();
+}
+
+export function GetDriverStatusList(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverStatusList'](arg1, arg2);
+}
+
+export function GetDriverVersionList(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverVersionList'](arg1, arg2);
+}
+
+export function GetDriverVersionPackageSize(arg1, arg2) {
+  return window['go']['app']['App']['GetDriverVersionPackageSize'](arg1, arg2);
+}
+
+export function GetGlobalProxyConfig() {
+  return window['go']['app']['App']['GetGlobalProxyConfig']();
+}
+
 export function ImportConfigFile() {
   return window['go']['app']['App']['ImportConfigFile']();
 }
@@ -90,6 +158,22 @@ export function ImportData(arg1, arg2, arg3) {
   return window['go']['app']['App']['ImportData'](arg1, arg2, arg3);
 }
 
+export function ImportDataWithProgress(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['ImportDataWithProgress'](arg1, arg2, arg3, arg4);
+}
+
+export function InstallLocalDriverPackage(arg1, arg2, arg3) {
+  return window['go']['app']['App']['InstallLocalDriverPackage'](arg1, arg2, arg3);
+}
+
+export function InstallUpdateAndRestart() {
+  return window['go']['app']['App']['InstallUpdateAndRestart']();
+}
+
+export function MongoDiscoverMembers(arg1) {
+  return window['go']['app']['App']['MongoDiscoverMembers'](arg1);
+}
+
 export function MySQLConnect(arg1) {
   return window['go']['app']['App']['MySQLConnect'](arg1);
 }
@@ -114,6 +198,150 @@ export function OpenSQLFile() {
   return window['go']['app']['App']['OpenSQLFile']();
 }
 
+export function PreviewImportFile(arg1) {
+  return window['go']['app']['App']['PreviewImportFile'](arg1);
+}
+
+export function RedisConnect(arg1) {
+  return window['go']['app']['App']['RedisConnect'](arg1);
+}
+
+export function RedisDeleteHashField(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisDeleteHashField'](arg1, arg2, arg3);
+}
+
+export function RedisDeleteKeys(arg1, arg2) {
+  return window['go']['app']['App']['RedisDeleteKeys'](arg1, arg2);
+}
+
+export function RedisExecuteCommand(arg1, arg2) {
+  return window['go']['app']['App']['RedisExecuteCommand'](arg1, arg2);
+}
+
+export function RedisFlushDB(arg1) {
+  return window['go']['app']['App']['RedisFlushDB'](arg1);
+}
+
+export function RedisGetDatabases(arg1) {
+  return window['go']['app']['App']['RedisGetDatabases'](arg1);
+}
+
+export function RedisGetServerInfo(arg1) {
+  return window['go']['app']['App']['RedisGetServerInfo'](arg1);
+}
+
+export function RedisGetValue(arg1, arg2) {
+  return window['go']['app']['App']['RedisGetValue'](arg1, arg2);
+}
+
+export function RedisListPush(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisListPush'](arg1, arg2, arg3);
+}
+
+export function RedisListSet(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisListSet'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisRenameKey(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisRenameKey'](arg1, arg2, arg3);
+}
+
+export function RedisScanKeys(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisScanKeys'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisSelectDB(arg1, arg2) {
+  return window['go']['app']['App']['RedisSelectDB'](arg1, arg2);
+}
+
+export function RedisSetAdd(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisSetAdd'](arg1, arg2, arg3);
+}
+
+export function RedisSetHashField(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisSetHashField'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisSetRemove(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisSetRemove'](arg1, arg2, arg3);
+}
+
+export function RedisSetString(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisSetString'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisSetTTL(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisSetTTL'](arg1, arg2, arg3);
+}
+
+export function RedisStreamAdd(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RedisStreamAdd'](arg1, arg2, arg3, arg4);
+}
+
+export function RedisStreamDelete(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisStreamDelete'](arg1, arg2, arg3);
+}
+
+export function RedisTestConnection(arg1) {
+  return window['go']['app']['App']['RedisTestConnection'](arg1);
+}
+
+export function RedisZSetAdd(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisZSetAdd'](arg1, arg2, arg3);
+}
+
+export function RedisZSetRemove(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RedisZSetRemove'](arg1, arg2, arg3);
+}
+
+export function RemoveDriverPackage(arg1, arg2) {
+  return window['go']['app']['App']['RemoveDriverPackage'](arg1, arg2);
+}
+
+export function RenameDatabase(arg1, arg2, arg3) {
+  return window['go']['app']['App']['RenameDatabase'](arg1, arg2, arg3);
+}
+
+export function RenameTable(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RenameTable'](arg1, arg2, arg3, arg4);
+}
+
+export function RenameView(arg1, arg2, arg3, arg4) {
+  return window['go']['app']['App']['RenameView'](arg1, arg2, arg3, arg4);
+}
+
+export function ResolveDriverDownloadDirectory(arg1) {
+  return window['go']['app']['App']['ResolveDriverDownloadDirectory'](arg1);
+}
+
+export function ResolveDriverPackageDownloadURL(arg1, arg2) {
+  return window['go']['app']['App']['ResolveDriverPackageDownloadURL'](arg1, arg2);
+}
+
+export function ResolveDriverRepositoryURL(arg1) {
+  return window['go']['app']['App']['ResolveDriverRepositoryURL'](arg1);
+}
+
+export function SelectDriverDownloadDirectory(arg1) {
+  return window['go']['app']['App']['SelectDriverDownloadDirectory'](arg1);
+}
+
+export function SelectDriverPackageDirectory(arg1) {
+  return window['go']['app']['App']['SelectDriverPackageDirectory'](arg1);
+}
+
+export function SelectDriverPackageFile(arg1) {
+  return window['go']['app']['App']['SelectDriverPackageFile'](arg1);
+}
+
+export function SelectSSHKeyFile(arg1) {
+  return window['go']['app']['App']['SelectSSHKeyFile'](arg1);
+}
+
+export function SetWindowTranslucency(arg1, arg2) {
+  return window['go']['app']['App']['SetWindowTranslucency'](arg1, arg2);
+}
+
 export function TestConnection(arg1) {
   return window['go']['app']['App']['TestConnection'](arg1);
 }

frontend/wailsjs/go/models.ts

@@ -48,6 +48,26 @@ export namespace connection {
 		    return a;
 		}
 	}
+	export class ProxyConfig {
+	    type: string;
+	    host: string;
+	    port: number;
+	    user?: string;
+	    password?: string;
+	
+	    static createFrom(source: any = {}) {
+	        return new ProxyConfig(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.type = source["type"];
+	        this.host = source["host"];
+	        this.port = source["port"];
+	        this.user = source["user"];
+	        this.password = source["password"];
+	    }
+	}
 	export class SSHConfig {
 	    host: string;
 	    port: number;
@@ -74,12 +94,28 @@ export namespace connection {
 	    port: number;
 	    user: string;
 	    password: string;
+	    savePassword?: boolean;
 	    database: string;
 	    useSSH: boolean;
 	    ssh: SSHConfig;
+	    useProxy?: boolean;
+	    proxy?: ProxyConfig;
 	    driver?: string;
 	    dsn?: string;
 	    timeout?: number;
+	    redisDB?: number;
+	    uri?: string;
+	    hosts?: string[];
+	    topology?: string;
+	    mysqlReplicaUser?: string;
+	    mysqlReplicaPassword?: string;
+	    replicaSet?: string;
+	    authSource?: string;
+	    readPreference?: string;
+	    mongoSrv?: boolean;
+	    mongoAuthMechanism?: string;
+	    mongoReplicaUser?: string;
+	    mongoReplicaPassword?: string;
 	
 	    static createFrom(source: any = {}) {
 	        return new ConnectionConfig(source);
@@ -92,12 +128,28 @@ export namespace connection {
 	        this.port = source["port"];
 	        this.user = source["user"];
 	        this.password = source["password"];
+	        this.savePassword = source["savePassword"];
 	        this.database = source["database"];
 	        this.useSSH = source["useSSH"];
 	        this.ssh = this.convertValues(source["ssh"], SSHConfig);
+	        this.useProxy = source["useProxy"];
+	        this.proxy = this.convertValues(source["proxy"], ProxyConfig);
 	        this.driver = source["driver"];
 	        this.dsn = source["dsn"];
 	        this.timeout = source["timeout"];
+	        this.redisDB = source["redisDB"];
+	        this.uri = source["uri"];
+	        this.hosts = source["hosts"];
+	        this.topology = source["topology"];
+	        this.mysqlReplicaUser = source["mysqlReplicaUser"];
+	        this.mysqlReplicaPassword = source["mysqlReplicaPassword"];
+	        this.replicaSet = source["replicaSet"];
+	        this.authSource = source["authSource"];
+	        this.readPreference = source["readPreference"];
+	        this.mongoSrv = source["mongoSrv"];
+	        this.mongoAuthMechanism = source["mongoAuthMechanism"];
+	        this.mongoReplicaUser = source["mongoReplicaUser"];
+	        this.mongoReplicaPassword = source["mongoReplicaPassword"];
 	    }
 	
 		convertValues(a: any, classs: any, asMap: boolean = false): any {
@@ -118,6 +170,7 @@ export namespace connection {
 		    return a;
 		}
 	}
+	
 	export class QueryResult {
 	    success: boolean;
 	    message: string;
@@ -140,6 +193,25 @@ export namespace connection {
 
 }
 
+export namespace redis {
+	
+	export class ZSetMember {
+	    member: string;
+	    score: number;
+	
+	    static createFrom(source: any = {}) {
+	        return new ZSetMember(source);
+	    }
+	
+	    constructor(source: any = {}) {
+	        if ('string' === typeof source) source = JSON.parse(source);
+	        this.member = source["member"];
+	        this.score = source["score"];
+	    }
+	}
+
+}
+
 export namespace sync {
 	
 	export class TableOptions {

go.mod

@@ -5,24 +5,57 @@ go 1.24.3
 require (
 	gitea.com/kingbase/gokb v0.0.0-20201021123113-29bd62a876c3
 	gitee.com/chunanyong/dm v1.8.22
+	github.com/ClickHouse/clickhouse-go/v2 v2.43.0
+	github.com/duckdb/duckdb-go/v2 v2.5.5
 	github.com/go-sql-driver/mysql v1.9.3
+	github.com/highgo/pq-sm3 v0.0.0
 	github.com/lib/pq v1.11.1
+	github.com/microsoft/go-mssqldb v1.9.6
+	github.com/redis/go-redis/v9 v9.17.3
 	github.com/sijms/go-ora/v2 v2.9.0
+	github.com/taosdata/driver-go/v3 v3.7.8
 	github.com/wailsapp/wails/v2 v2.11.0
+	github.com/xuri/excelize/v2 v2.10.0
+	go.mongodb.org/mongo-driver/v2 v2.5.0
 	golang.org/x/crypto v0.47.0
+	golang.org/x/mod v0.32.0
+	golang.org/x/net v0.49.0
+	golang.org/x/text v0.33.0
 	modernc.org/sqlite v1.44.3
 )
 
 require (
 	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/ClickHouse/ch-go v0.71.0 // indirect
+	github.com/andybalholm/brotli v1.2.0 // indirect
+	github.com/apache/arrow-go/v18 v18.5.1 // indirect
 	github.com/bep/debounce v1.2.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/duckdb/duckdb-go-bindings v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/darwin-amd64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/darwin-arm64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/linux-amd64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/linux-arm64 v0.3.3 // indirect
+	github.com/duckdb/duckdb-go-bindings/lib/windows-amd64 v0.3.3 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/go-faster/city v1.0.1 // indirect
+	github.com/go-faster/errors v0.7.1 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
-	github.com/golang/snappy v0.0.4 // indirect
+	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
+	github.com/golang-sql/sqlexp v0.1.0 // indirect
+	github.com/golang/snappy v1.0.0 // indirect
+	github.com/google/flatbuffers v25.12.19+incompatible // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/hashicorp/go-version v1.8.0 // indirect
 	github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.18.3 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/labstack/echo/v4 v4.13.3 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/leaanthony/go-ansi-parser v1.6.1 // indirect
@@ -31,22 +64,45 @@ require (
 	github.com/leaanthony/u v1.1.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/paulmach/orb v0.12.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.25 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/richardlehane/mscfb v1.0.4 // indirect
+	github.com/richardlehane/msoleps v1.0.4 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/samber/lo v1.49.1 // indirect
+	github.com/segmentio/asm v1.2.1 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
+	github.com/tiendc/go-deepcopy v1.7.1 // indirect
 	github.com/tkrajina/go-reflector v0.5.8 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	github.com/wailsapp/go-webview2 v1.0.22 // indirect
 	github.com/wailsapp/mimetype v1.4.1 // indirect
-	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
-	golang.org/x/net v0.48.0 // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
+	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/xuri/efp v0.0.1 // indirect
+	github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
+	github.com/zeebo/xxh3 v1.1.0 // indirect
+	go.opentelemetry.io/otel v1.39.0 // indirect
+	go.opentelemetry.io/otel/trace v1.39.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect
+	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.40.0 // indirect
-	golang.org/x/text v0.33.0 // indirect
+	golang.org/x/telemetry v0.0.0-20260116145544-c6413dc483f5 // indirect
+	golang.org/x/tools v0.41.0 // indirect
+	golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect
 	modernc.org/libc v1.67.6 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
 )
+
+replace github.com/highgo/pq-sm3 => ./third_party/highgo-pq

go.sum

@@ -4,31 +4,122 @@ gitea.com/kingbase/gokb v0.0.0-20201021123113-29bd62a876c3 h1:QjslQNaH5Nuap5i4ni
 gitea.com/kingbase/gokb v0.0.0-20201021123113-29bd62a876c3/go.mod h1:7lH5A1jzCXD9Nl16DzaBUOfDAT8NPrDmZwKu1p5wf94=
 gitee.com/chunanyong/dm v1.8.22 h1:H7fsrnUIvEA0jlDWew7vwELry1ff+tLMIu2Fk2cIBSg=
 gitee.com/chunanyong/dm v1.8.22/go.mod h1:EPRJnuPFgbyOFgJ0TRYCTGzhq+ZT4wdyaj/GW/LLcNg=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0 h1:Gt0j3wceWMwPmiazCa8MzMA0MfhmPIz0Qp0FJ6qcM0U=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0/go.mod h1:Ot/6aikWnKWi4l9QB7qVSwa8iMphQNqkWALMoNT3rzM=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1 h1:B+blDbyVIG3WaikNxPnhPiJ1MThR03b3vKGtER95TP4=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1/go.mod h1:JdM5psgjfBf5fo2uWOZhflPWyDBZ/O/CNAH9CtsuZE4=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1 h1:FPKJS1T+clwv+OLGt13a8UjqeRuh0O4SJ3lUriThc+4=
+github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.1/go.mod h1:j2chePtV91HrC22tGoRX3sGY42uF13WzmmV80/OdVAA=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1 h1:Wgf5rZba3YZqeTNJPtvqZoBu1sBN/L4sry+u2U3Y75w=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1/go.mod h1:xxCBG/f/4Vbmh2XQJBsOmNdxWUY5j/s27jujKPbQf14=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1 h1:bFWuoEKg+gImo7pvkiQEFAc8ocibADgXeiLAxWhWmkI=
+github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1/go.mod h1:Vih/3yc6yac2JzU4hzpaDupBJP0Flaia9rXXrU8xyww=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2 h1:oygO0locgZJe7PpYPXT5A29ZkwJaPqcva7BVeemZOZs=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
+github.com/ClickHouse/ch-go v0.71.0 h1:bUdZ/EZj/LcVHsMqaRUP2holqygrPWQKeMjc6nZoyRM=
+github.com/ClickHouse/ch-go v0.71.0/go.mod h1:NwbNc+7jaqfY58dmdDUbG4Jl22vThgx1cYjBw0vtgXw=
+github.com/ClickHouse/clickhouse-go/v2 v2.43.0 h1:fUR05TrF1GyvLDa/mAQjkx7KbgwdLRffs2n9O3WobtE=
+github.com/ClickHouse/clickhouse-go/v2 v2.43.0/go.mod h1:o6jf7JM/zveWC/PP277BLxjHy5KjnGX/jfljhM4s34g=
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 golang.org/x/sys v0.0.0-20200810151505-1b9f1253b3ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
 golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/telemetry v0.0.0-20260116145544-c6413dc483f5 h1:i0p03B68+xC1kD2QUO8JzDTPXCzhN56OLJ+IhHY8U3A=
+golang.org/x/telemetry v0.0.0-20260116145544-c6413dc483f5/go.mod h1:b7fPSJ0pKZ3ccUh8gnTONJxhn3c/PS6tyzQvyqw4iA8=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.39.0 h1:RclSuaJf32jOqZz74CkPA9qFuVTX7vhLlpfj/IGWlqY=
 golang.org/x/term v0.39.0/go.mod h1:yxzUCTP/U+FzoxfdKmLaA0RV1WgE0VY7hXBwKtY/4ww=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
 golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.40.0 h1:yLkxfA+Qnul4cs9QA3KnlFu0lVmd8JJfoq+E41uSutA=
-golang.org/x/tools v0.40.0/go.mod h1:Ik/tzLRlbscWpqqMRjyWYDisX8bG13FrdXp3o4Sr9lc=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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+golang.org/x/tools v0.41.0 h1:a9b8iMweWG+S0OBnlU36rzLp20z1Rp10w+IY2czHTQc=
+golang.org/x/tools v0.41.0/go.mod h1:XSY6eDqxVNiYgezAVqqCeihT4j1U2CCsqvH3WhQpnlg=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis=

internal/app/app.go

@@ -10,23 +10,34 @@ import (
 	"net"
 	"strings"
 	"sync"
+	"time"
 
 	"GoNavi-Wails/internal/connection"
 	"GoNavi-Wails/internal/db"
 	"GoNavi-Wails/internal/logger"
+	proxytunnel "GoNavi-Wails/internal/proxy"
 )
 
+const dbCachePingInterval = 30 * time.Second
+
+type cachedDatabase struct {
+	inst     db.Database
+	lastPing time.Time
+}
+
 // App struct
 type App struct {
-	ctx     context.Context
-	dbCache map[string]db.Database // Cache for DB connections
-	mu      sync.Mutex             // Mutex for cache access
+	ctx         context.Context
+	dbCache     map[string]cachedDatabase // Cache for DB connections
+	mu          sync.RWMutex              // Mutex for cache access
+	updateMu    sync.Mutex
+	updateState updateState
 }
 
 // NewApp creates a new App application struct
 func NewApp() *App {
 	return &App{
-		dbCache: make(map[string]db.Database),
+		dbCache: make(map[string]cachedDatabase),
 	}
 }
 
@@ -35,19 +46,30 @@ func NewApp() *App {
 func (a *App) Startup(ctx context.Context) {
 	a.ctx = ctx
 	logger.Init()
+	applyMacWindowTranslucencyFix()
 	logger.Infof("应用启动完成")
 }
 
+// SetWindowTranslucency 动态调整 macOS 窗口透明度。
+// 前端在加载用户外观设置后、以及用户修改外观时调用此方法。
+// opacity=1.0 且 blur=0 时窗口标记为 opaque，GPU 不再持续计算窗口背后的模糊合成。
+func (a *App) SetWindowTranslucency(opacity float64, blur float64) {
+	setMacWindowTranslucency(opacity, blur)
+}
+
 // Shutdown is called when the app terminates
 func (a *App) Shutdown(ctx context.Context) {
 	logger.Infof("应用开始关闭，准备释放资源")
 	a.mu.Lock()
 	defer a.mu.Unlock()
 	for _, dbInst := range a.dbCache {
-		if err := dbInst.Close(); err != nil {
+		if err := dbInst.inst.Close(); err != nil {
 			logger.Error(err, "关闭数据库连接失败")
 		}
 	}
+	proxytunnel.CloseAllForwarders()
+	// Close all Redis connections
+	CloseAllRedisClients()
 	logger.Infof("资源释放完成，应用已关闭")
 	logger.Close()
 }
@@ -57,9 +79,8 @@ func getCacheKey(config connection.ConnectionConfig) string {
 	if !config.UseSSH {
 		config.SSH = connection.SSHConfig{}
 	}
-	// 保持与驱动默认一致，避免同一连接被重复缓存
-	if config.Type == "postgres" && config.Database == "" {
-		config.Database = "postgres"
+	if !config.UseProxy {
+		config.Proxy = connection.ProxyConfig{}
 	}
 
 	b, _ := json.Marshal(config)
@@ -90,10 +111,11 @@ type withLogHint struct {
 }
 
 func (e withLogHint) Error() string {
+	message := normalizeErrorMessage(e.err)
 	if strings.TrimSpace(e.logPath) == "" {
-		return e.err.Error()
+		return message
 	}
-	return fmt.Sprintf("%s（详细日志：%s）", e.err.Error(), e.logPath)
+	return fmt.Sprintf("%s（详细日志：%s）", message, e.logPath)
 }
 
 func (e withLogHint) Unwrap() error {
@@ -112,12 +134,54 @@ func formatConnSummary(config connection.ConnectionConfig) string {
 	}
 
 	var b strings.Builder
-	b.WriteString(fmt.Sprintf("类型=%s 地址=%s:%d 数据库=%s 用户=%s 超时=%ds",
-		config.Type, config.Host, config.Port, dbName, config.User, timeoutSeconds))
+	normalizedType := strings.ToLower(strings.TrimSpace(config.Type))
+	if normalizedType == "sqlite" || normalizedType == "duckdb" {
+		path := strings.TrimSpace(config.Host)
+		if path == "" {
+			path = "(未配置)"
+		}
+		b.WriteString(fmt.Sprintf("类型=%s 路径=%s 超时=%ds", config.Type, path, timeoutSeconds))
+	} else {
+		b.WriteString(fmt.Sprintf("类型=%s 地址=%s:%d 数据库=%s 用户=%s 超时=%ds",
+			config.Type, config.Host, config.Port, dbName, config.User, timeoutSeconds))
+	}
+
+	if len(config.Hosts) > 0 {
+		b.WriteString(fmt.Sprintf(" 节点数=%d", len(config.Hosts)))
+	}
+	if strings.TrimSpace(config.Topology) != "" {
+		b.WriteString(fmt.Sprintf(" 拓扑=%s", strings.TrimSpace(config.Topology)))
+	}
+	if strings.TrimSpace(config.URI) != "" {
+		b.WriteString(fmt.Sprintf(" URI=已配置(长度=%d)", len(config.URI)))
+	}
+	if strings.TrimSpace(config.MySQLReplicaUser) != "" {
+		b.WriteString(" MySQL从库凭据=已配置")
+	}
+	if strings.EqualFold(strings.TrimSpace(config.Type), "mongodb") {
+		if strings.TrimSpace(config.MongoReplicaUser) != "" {
+			b.WriteString(" Mongo从库凭据=已配置")
+		}
+		if strings.TrimSpace(config.ReplicaSet) != "" {
+			b.WriteString(fmt.Sprintf(" 副本集=%s", strings.TrimSpace(config.ReplicaSet)))
+		}
+		if strings.TrimSpace(config.ReadPreference) != "" {
+			b.WriteString(fmt.Sprintf(" 读偏好=%s", strings.TrimSpace(config.ReadPreference)))
+		}
+		if strings.TrimSpace(config.AuthSource) != "" {
+			b.WriteString(fmt.Sprintf(" 认证库=%s", strings.TrimSpace(config.AuthSource)))
+		}
+	}
 
 	if config.UseSSH {
 		b.WriteString(fmt.Sprintf(" SSH=%s:%d 用户=%s", config.SSH.Host, config.SSH.Port, config.SSH.User))
 	}
+	if config.UseProxy {
+		b.WriteString(fmt.Sprintf(" 代理=%s://%s:%d", strings.ToLower(strings.TrimSpace(config.Proxy.Type)), config.Proxy.Host, config.Proxy.Port))
+		if strings.TrimSpace(config.Proxy.User) != "" {
+			b.WriteString(" 代理认证=已配置")
+		}
+	}
 
 	if config.Type == "custom" {
 		driver := strings.TrimSpace(config.Driver)
@@ -134,46 +198,137 @@ func formatConnSummary(config connection.ConnectionConfig) string {
 	return b.String()
 }
 
+func (a *App) getDatabaseForcePing(config connection.ConnectionConfig) (db.Database, error) {
+	return a.getDatabaseWithPing(config, true)
+}
+
 // Helper: Get or create a database connection
 func (a *App) getDatabase(config connection.ConnectionConfig) (db.Database, error) {
-	key := getCacheKey(config)
+	return a.getDatabaseWithPing(config, false)
+}
+
+func (a *App) openDatabaseIsolated(config connection.ConnectionConfig) (db.Database, error) {
+	effectiveConfig := applyGlobalProxyToConnection(config)
+	if supported, reason := db.DriverRuntimeSupportStatus(effectiveConfig.Type); !supported {
+		if strings.TrimSpace(reason) == "" {
+			reason = fmt.Sprintf("%s 驱动未启用，请先在驱动管理中安装启用", strings.TrimSpace(effectiveConfig.Type))
+		}
+		return nil, withLogHint{err: fmt.Errorf("%s", reason), logPath: logger.Path()}
+	}
+
+	dbInst, err := db.NewDatabase(effectiveConfig.Type)
+	if err != nil {
+		return nil, err
+	}
+
+	connectConfig, proxyErr := resolveDialConfigWithProxy(effectiveConfig)
+	if proxyErr != nil {
+		_ = dbInst.Close()
+		return nil, wrapConnectError(effectiveConfig, proxyErr)
+	}
+	if err := dbInst.Connect(connectConfig); err != nil {
+		_ = dbInst.Close()
+		return nil, wrapConnectError(effectiveConfig, err)
+	}
+	return dbInst, nil
+}
+
+func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing bool) (db.Database, error) {
+	effectiveConfig := applyGlobalProxyToConnection(config)
+
+	key := getCacheKey(effectiveConfig)
 	shortKey := key
 	if len(shortKey) > 12 {
 		shortKey = shortKey[:12]
 	}
-	logger.Infof("获取数据库连接：%s 缓存Key=%s", formatConnSummary(config), shortKey)
 
-	a.mu.Lock()
-	defer a.mu.Unlock()
-
-	if dbInst, ok := a.dbCache[key]; ok {
-		logger.Infof("命中连接缓存，开始检测可用性：缓存Key=%s", shortKey)
-		if err := dbInst.Ping(); err == nil {
-			logger.Infof("缓存连接可用：缓存Key=%s", shortKey)
-			return dbInst, nil
-		} else {
-			logger.Error(err, "缓存连接不可用，准备重建：缓存Key=%s", shortKey)
+	if supported, reason := db.DriverRuntimeSupportStatus(effectiveConfig.Type); !supported {
+		if strings.TrimSpace(reason) == "" {
+			reason = fmt.Sprintf("%s 驱动未启用，请先在驱动管理中安装启用", strings.TrimSpace(effectiveConfig.Type))
 		}
-		if err := dbInst.Close(); err != nil {
-			logger.Error(err, "关闭失效缓存连接失败：缓存Key=%s", shortKey)
+		// Best-effort cleanup: if cached instance exists for this exact config, close it.
+		a.mu.Lock()
+		if cur, exists := a.dbCache[key]; exists && cur.inst != nil {
+			_ = cur.inst.Close()
+			delete(a.dbCache, key)
 		}
-		delete(a.dbCache, key)
+		a.mu.Unlock()
+		return nil, withLogHint{err: fmt.Errorf("%s", reason), logPath: logger.Path()}
 	}
 
-	logger.Infof("创建数据库驱动实例：类型=%s 缓存Key=%s", config.Type, shortKey)
-	dbInst, err := db.NewDatabase(config.Type)
+	a.mu.RLock()
+	entry, ok := a.dbCache[key]
+	a.mu.RUnlock()
+	if ok {
+		needPing := forcePing
+		if !needPing {
+			lastPing := entry.lastPing
+			if lastPing.IsZero() || time.Since(lastPing) >= dbCachePingInterval {
+				needPing = true
+			}
+		}
+
+		if !needPing {
+			return entry.inst, nil
+		}
+
+		if err := entry.inst.Ping(); err == nil {
+			// Update lastPing (best effort)
+			a.mu.Lock()
+			if cur, exists := a.dbCache[key]; exists && cur.inst == entry.inst {
+				cur.lastPing = time.Now()
+				a.dbCache[key] = cur
+			}
+			a.mu.Unlock()
+			return entry.inst, nil
+		} else {
+			logger.Error(err, "缓存连接不可用，准备重建：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+		}
+
+		// Ping failed: remove cached instance (best effort)
+		a.mu.Lock()
+		if cur, exists := a.dbCache[key]; exists && cur.inst == entry.inst {
+			if err := cur.inst.Close(); err != nil {
+				logger.Error(err, "关闭失效缓存连接失败：缓存Key=%s", shortKey)
+			}
+			delete(a.dbCache, key)
+		}
+		a.mu.Unlock()
+	}
+
+	logger.Infof("获取数据库连接：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+	logger.Infof("创建数据库驱动实例：类型=%s 缓存Key=%s", effectiveConfig.Type, shortKey)
+	dbInst, err := db.NewDatabase(effectiveConfig.Type)
 	if err != nil {
-		logger.Error(err, "创建数据库驱动实例失败：类型=%s 缓存Key=%s", config.Type, shortKey)
+		logger.Error(err, "创建数据库驱动实例失败：类型=%s 缓存Key=%s", effectiveConfig.Type, shortKey)
 		return nil, err
 	}
 
-	if err := dbInst.Connect(config); err != nil {
-		wrapped := wrapConnectError(config, err)
-		logger.Error(wrapped, "建立数据库连接失败：%s 缓存Key=%s", formatConnSummary(config), shortKey)
+	connectConfig, proxyErr := resolveDialConfigWithProxy(effectiveConfig)
+	if proxyErr != nil {
+		wrapped := wrapConnectError(effectiveConfig, proxyErr)
+		logger.Error(wrapped, "连接代理准备失败：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
 		return nil, wrapped
 	}
 
-	a.dbCache[key] = dbInst
-	logger.Infof("数据库连接成功并写入缓存：%s 缓存Key=%s", formatConnSummary(config), shortKey)
+	if err := dbInst.Connect(connectConfig); err != nil {
+		wrapped := wrapConnectError(effectiveConfig, err)
+		logger.Error(wrapped, "建立数据库连接失败：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
+		return nil, wrapped
+	}
+
+	now := time.Now()
+
+	a.mu.Lock()
+	if existing, exists := a.dbCache[key]; exists && existing.inst != nil {
+		a.mu.Unlock()
+		// Prefer existing cached connection to avoid cache racing duplicates.
+		_ = dbInst.Close()
+		return existing.inst, nil
+	}
+	a.dbCache[key] = cachedDatabase{inst: dbInst, lastPing: now}
+	a.mu.Unlock()
+
+	logger.Infof("数据库连接成功并写入缓存：%s 缓存Key=%s", formatConnSummary(effectiveConfig), shortKey)
 	return dbInst, nil
 }

internal/app/db_context.go

@@ -14,8 +14,8 @@ func normalizeRunConfig(config connection.ConnectionConfig, dbName string) conne
 	}
 
 	switch strings.ToLower(strings.TrimSpace(config.Type)) {
-	case "mysql", "postgres", "kingbase":
-		// 这些类型的 dbName 表示“数据库”，需要写入连接配置以选择目标库。
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "highgo", "vastbase", "sqlserver", "mongodb", "tdengine", "clickhouse":
+		// 这些类型的 dbName 表示"数据库"，需要写入连接配置以选择目标库。
 		runConfig.Database = name
 	case "dameng":
 		// 达梦使用 schema 参数，沿用现有行为：dbName 表示 schema。
@@ -45,12 +45,14 @@ func normalizeSchemaAndTable(config connection.ConnectionConfig, dbName string,
 	}
 
 	switch strings.ToLower(strings.TrimSpace(config.Type)) {
-	case "postgres", "kingbase":
-		// PG/金仓：dbName 在 UI 里是“数据库”，schema 需从 tableName 或使用默认 public。
+	case "postgres", "kingbase", "highgo", "vastbase":
+		// PG/金仓/瀚高/海量：dbName 在 UI 里是"数据库"，schema 需从 tableName 或使用默认 public。
 		return "public", rawTable
+	case "sqlserver":
+		// SQL Server：dbName 表示数据库，schema 默认 dbo
+		return "dbo", rawTable
 	default:
 		// MySQL：dbName 表示数据库；Oracle/达梦：dbName 表示 schema/owner。
 		return rawDB, rawTable
 	}
 }
-

internal/app/db_proxy.go

@@ -0,0 +1,204 @@
+package app
+
+import (
+	"fmt"
+	"net"
+	"strconv"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	proxytunnel "GoNavi-Wails/internal/proxy"
+)
+
+func resolveDialConfigWithProxy(raw connection.ConnectionConfig) (connection.ConnectionConfig, error) {
+	config := raw
+	if !config.UseProxy {
+		config.Proxy = connection.ProxyConfig{}
+		return config, nil
+	}
+
+	normalizedProxy, err := proxytunnel.NormalizeConfig(config.Proxy)
+	if err != nil {
+		return connection.ConnectionConfig{}, err
+	}
+	config.Proxy = normalizedProxy
+
+	if config.UseSSH {
+		sshPort := config.SSH.Port
+		if sshPort <= 0 {
+			sshPort = 22
+		}
+		forwardedSSH, err := buildProxyForwardAddress(normalizedProxy, strings.TrimSpace(config.SSH.Host), sshPort)
+		if err != nil {
+			return connection.ConnectionConfig{}, fmt.Errorf("代理连接 SSH 网关失败：%w", err)
+		}
+		config.SSH.Host = forwardedSSH.host
+		config.SSH.Port = forwardedSSH.port
+		config.UseProxy = false
+		config.Proxy = connection.ProxyConfig{}
+		return config, nil
+	}
+
+	normalizedType := strings.ToLower(strings.TrimSpace(config.Type))
+	if normalizedType == "sqlite" || normalizedType == "duckdb" || normalizedType == "custom" {
+		// 文件型/自定义 DSN 类型不走标准 host:port，不在此层改写。
+		return config, nil
+	}
+	if normalizedType == "mongodb" && config.MongoSRV {
+		// Mongo SRV 由驱动侧 Dialer 处理代理，避免破坏 DNS SRV 拓扑发现。
+		return config, nil
+	}
+
+	targetPort := config.Port
+	if targetPort <= 0 {
+		targetPort = defaultPortByType(normalizedType)
+	}
+	forwardedPrimary, err := buildProxyForwardAddress(normalizedProxy, strings.TrimSpace(config.Host), targetPort)
+	if err != nil {
+		return connection.ConnectionConfig{}, err
+	}
+	config.Host = forwardedPrimary.host
+	config.Port = forwardedPrimary.port
+
+	if len(config.Hosts) > 0 {
+		rewritten := make([]string, 0, len(config.Hosts))
+		seen := make(map[string]struct{}, len(config.Hosts))
+		for _, rawEntry := range config.Hosts {
+			targetHost, targetPort, ok := parseAddressWithDefaultPort(rawEntry, defaultPortByType(normalizedType))
+			if !ok {
+				continue
+			}
+			forwarded, forwardErr := buildProxyForwardAddress(normalizedProxy, targetHost, targetPort)
+			if forwardErr != nil {
+				return connection.ConnectionConfig{}, forwardErr
+			}
+			rewrittenAddress := formatHostPort(forwarded.host, forwarded.port)
+			if _, exists := seen[rewrittenAddress]; exists {
+				continue
+			}
+			seen[rewrittenAddress] = struct{}{}
+			rewritten = append(rewritten, rewrittenAddress)
+		}
+		config.Hosts = rewritten
+	}
+
+	config.UseProxy = false
+	config.Proxy = connection.ProxyConfig{}
+	return config, nil
+}
+
+type hostPort struct {
+	host string
+	port int
+}
+
+func buildProxyForwardAddress(proxyConfig connection.ProxyConfig, targetHost string, targetPort int) (hostPort, error) {
+	host := strings.TrimSpace(targetHost)
+	if host == "" {
+		host = "localhost"
+	}
+	port := targetPort
+	if port <= 0 {
+		return hostPort{}, fmt.Errorf("目标端口无效：%d", targetPort)
+	}
+
+	forwarder, err := proxytunnel.GetOrCreateLocalForwarder(proxyConfig, host, port)
+	if err != nil {
+		return hostPort{}, err
+	}
+	localHost, localPort, splitOK := parseAddressWithDefaultPort(forwarder.LocalAddr, 0)
+	if !splitOK || localPort <= 0 {
+		return hostPort{}, fmt.Errorf("解析代理本地转发地址失败：%s", forwarder.LocalAddr)
+	}
+	return hostPort{host: localHost, port: localPort}, nil
+}
+
+func parseAddressWithDefaultPort(raw string, defaultPort int) (string, int, bool) {
+	text := strings.TrimSpace(raw)
+	if text == "" {
+		return "", 0, false
+	}
+
+	if strings.HasPrefix(text, "[") {
+		if host, portText, err := net.SplitHostPort(text); err == nil {
+			if port, convErr := strconv.Atoi(portText); convErr == nil && port > 0 && port <= 65535 {
+				return strings.TrimSpace(host), port, true
+			}
+			return "", 0, false
+		}
+		trimmed := strings.Trim(strings.TrimPrefix(text, "["), "]")
+		if trimmed != "" && defaultPort > 0 {
+			return trimmed, defaultPort, true
+		}
+		return "", 0, false
+	}
+
+	if strings.Count(text, ":") == 0 {
+		if defaultPort <= 0 {
+			return "", 0, false
+		}
+		return text, defaultPort, true
+	}
+
+	if strings.Count(text, ":") == 1 {
+		host, portText, err := net.SplitHostPort(text)
+		if err == nil {
+			port, convErr := strconv.Atoi(portText)
+			if convErr == nil && port > 0 && port <= 65535 {
+				return strings.TrimSpace(host), port, true
+			}
+			return "", 0, false
+		}
+		if defaultPort > 0 {
+			return strings.TrimSpace(text), defaultPort, true
+		}
+		return "", 0, false
+	}
+
+	// IPv6 地址未带端口，使用默认端口。
+	if defaultPort > 0 {
+		return text, defaultPort, true
+	}
+	return "", 0, false
+}
+
+func formatHostPort(host string, port int) string {
+	h := strings.TrimSpace(host)
+	if strings.Contains(h, ":") && !strings.HasPrefix(h, "[") {
+		return fmt.Sprintf("[%s]:%d", h, port)
+	}
+	return fmt.Sprintf("%s:%d", h, port)
+}
+
+func defaultPortByType(driverType string) int {
+	switch strings.ToLower(strings.TrimSpace(driverType)) {
+	case "mysql", "mariadb":
+		return 3306
+	case "diros":
+		return 9030
+	case "sphinx":
+		return 9306
+	case "postgres", "vastbase":
+		return 5432
+	case "redis":
+		return 6379
+	case "tdengine":
+		return 6041
+	case "oracle":
+		return 1521
+	case "dameng":
+		return 5236
+	case "kingbase":
+		return 54321
+	case "sqlserver":
+		return 1433
+	case "mongodb":
+		return 27017
+	case "clickhouse":
+		return 9000
+	case "highgo":
+		return 5866
+	default:
+		return 0
+	}
+}

internal/app/error_text.go

@@ -0,0 +1,100 @@
+package app
+
+import (
+	"strings"
+	"unicode"
+	"unicode/utf8"
+
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
+)
+
+func normalizeErrorMessage(err error) string {
+	if err == nil {
+		return ""
+	}
+	return normalizeMixedEncodingText(err.Error())
+}
+
+func normalizeMixedEncodingText(text string) string {
+	if text == "" {
+		return text
+	}
+
+	raw := []byte(text)
+	output := make([]byte, 0, len(raw)+16)
+	suspect := make([]byte, 0, 16)
+
+	flushSuspect := func() {
+		if len(suspect) == 0 {
+			return
+		}
+
+		fallback := strings.ToValidUTF8(string(suspect), "<22>")
+		decoded, _, err := transform.Bytes(simplifiedchinese.GB18030.NewDecoder(), suspect)
+		if err == nil && utf8.Valid(decoded) {
+			candidate := string(decoded)
+			if scoreDecodedText(candidate) > scoreDecodedText(fallback) {
+				output = append(output, []byte(candidate)...)
+			} else {
+				output = append(output, []byte(fallback)...)
+			}
+		} else {
+			output = append(output, []byte(fallback)...)
+		}
+
+		suspect = suspect[:0]
+	}
+
+	for len(raw) > 0 {
+		r, size := utf8.DecodeRune(raw)
+		if r == utf8.RuneError && size == 1 {
+			suspect = append(suspect, raw[0])
+			raw = raw[1:]
+			continue
+		}
+
+		if isLikelyMojibakeRune(r) {
+			suspect = append(suspect, raw[:size]...)
+		} else {
+			flushSuspect()
+			output = append(output, raw[:size]...)
+		}
+		raw = raw[size:]
+	}
+
+	flushSuspect()
+	return string(output)
+}
+
+func isLikelyMojibakeRune(r rune) bool {
+	if r == utf8.RuneError {
+		return true
+	}
+	if r >= 0x00C0 && r <= 0x02FF {
+		return true
+	}
+	if unicode.In(r, unicode.Hebrew, unicode.Arabic, unicode.Cyrillic, unicode.Greek) {
+		return true
+	}
+	return false
+}
+
+func scoreDecodedText(text string) int {
+	score := 0
+	for _, r := range text {
+		switch {
+		case r == '<27>':
+			score -= 6
+		case unicode.Is(unicode.Han, r):
+			score += 4
+		case isLikelyMojibakeRune(r):
+			score -= 3
+		case unicode.IsPrint(r):
+			score += 1
+		default:
+			score -= 2
+		}
+	}
+	return score
+}

internal/app/error_text_test.go

@@ -0,0 +1,25 @@
+package app
+
+import "testing"
+
+func TestNormalizeMixedEncodingText_GBKErrorMessage(t *testing.T) {
+	raw := []byte("pq: ")
+	raw = append(raw, 0xD3, 0xC3, 0xBB, 0xA7) // 用户
+	raw = append(raw, []byte(` "root" Password `)...)
+	raw = append(raw, 0xC8, 0xCF, 0xD6, 0xA4, 0xCA, 0xA7, 0xB0, 0xDC) // 认证失败
+	raw = append(raw, []byte(" (28P01)")...)
+
+	got := normalizeMixedEncodingText(string(raw))
+	want := `pq: 用户 "root" Password 认证失败 (28P01)`
+	if got != want {
+		t.Fatalf("normalizeMixedEncodingText() mismatch\nwant: %q\ngot:  %q", want, got)
+	}
+}
+
+func TestNormalizeMixedEncodingText_KeepUTF8(t *testing.T) {
+	input := `连接建立后验证失败：pq: password authentication failed for user "root"`
+	got := normalizeMixedEncodingText(input)
+	if got != input {
+		t.Fatalf("expected unchanged utf8 text, got: %q", got)
+	}
+}

internal/app/global_proxy.go

@@ -0,0 +1,291 @@
+package app
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	proxytunnel "GoNavi-Wails/internal/proxy"
+)
+
+type globalProxySnapshot struct {
+	Enabled bool                   `json:"enabled"`
+	Proxy   connection.ProxyConfig `json:"proxy"`
+}
+
+var globalProxyRuntime = struct {
+	mu      sync.RWMutex
+	enabled bool
+	proxy   connection.ProxyConfig
+}{}
+
+type localProxyTLSFallbackTransport struct {
+	primary       *http.Transport
+	fallback      *http.Transport
+	proxyEndpoint string
+}
+
+func currentGlobalProxyConfig() globalProxySnapshot {
+	globalProxyRuntime.mu.RLock()
+	defer globalProxyRuntime.mu.RUnlock()
+	if !globalProxyRuntime.enabled {
+		return globalProxySnapshot{
+			Enabled: false,
+			Proxy:   connection.ProxyConfig{},
+		}
+	}
+	return globalProxySnapshot{
+		Enabled: true,
+		Proxy:   globalProxyRuntime.proxy,
+	}
+}
+
+func setGlobalProxyConfig(enabled bool, proxyConfig connection.ProxyConfig) (globalProxySnapshot, error) {
+	if !enabled {
+		globalProxyRuntime.mu.Lock()
+		globalProxyRuntime.enabled = false
+		globalProxyRuntime.proxy = connection.ProxyConfig{}
+		globalProxyRuntime.mu.Unlock()
+		return currentGlobalProxyConfig(), nil
+	}
+
+	normalizedProxy, err := proxytunnel.NormalizeConfig(proxyConfig)
+	if err != nil {
+		return globalProxySnapshot{}, err
+	}
+
+	globalProxyRuntime.mu.Lock()
+	globalProxyRuntime.enabled = true
+	globalProxyRuntime.proxy = normalizedProxy
+	globalProxyRuntime.mu.Unlock()
+	return currentGlobalProxyConfig(), nil
+}
+
+func (a *App) ConfigureGlobalProxy(enabled bool, proxyConfig connection.ProxyConfig) connection.QueryResult {
+	snapshot, err := setGlobalProxyConfig(enabled, proxyConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if snapshot.Enabled {
+		authState := ""
+		if strings.TrimSpace(snapshot.Proxy.User) != "" {
+			authState = "（认证：已配置）"
+		}
+		logger.Infof(
+			"全局代理已启用：%s://%s:%d%s",
+			strings.ToLower(strings.TrimSpace(snapshot.Proxy.Type)),
+			strings.TrimSpace(snapshot.Proxy.Host),
+			snapshot.Proxy.Port,
+			authState,
+		)
+	} else {
+		logger.Infof("全局代理已关闭")
+	}
+
+	return connection.QueryResult{
+		Success: true,
+		Message: "全局代理配置已生效",
+		Data:    snapshot,
+	}
+}
+
+func (a *App) GetGlobalProxyConfig() connection.QueryResult {
+	return connection.QueryResult{
+		Success: true,
+		Message: "OK",
+		Data:    currentGlobalProxyConfig(),
+	}
+}
+
+func applyGlobalProxyToConnection(config connection.ConnectionConfig) connection.ConnectionConfig {
+	effective := config
+	if effective.UseProxy {
+		return effective
+	}
+	if isFileDatabaseType(effective.Type) {
+		effective.Proxy = connection.ProxyConfig{}
+		return effective
+	}
+
+	snapshot := currentGlobalProxyConfig()
+	if !snapshot.Enabled {
+		effective.Proxy = connection.ProxyConfig{}
+		return effective
+	}
+
+	effective.UseProxy = true
+	effective.Proxy = snapshot.Proxy
+	return effective
+}
+
+func isFileDatabaseType(driverType string) bool {
+	switch strings.ToLower(strings.TrimSpace(driverType)) {
+	case "sqlite", "duckdb":
+		return true
+	default:
+		return false
+	}
+}
+
+func newHTTPClientWithGlobalProxy(timeout time.Duration) *http.Client {
+	client := &http.Client{
+		Timeout: timeout,
+	}
+	if transport := buildHTTPTransportWithGlobalProxy(); transport != nil {
+		client.Transport = transport
+	}
+	return client
+}
+
+func buildHTTPTransportWithGlobalProxy() http.RoundTripper {
+	baseTransport, ok := http.DefaultTransport.(*http.Transport)
+	if !ok || baseTransport == nil {
+		return nil
+	}
+
+	transport := baseTransport.Clone()
+	snapshot := currentGlobalProxyConfig()
+	if !snapshot.Enabled {
+		transport.Proxy = http.ProxyFromEnvironment
+		return transport
+	}
+
+	proxyURL, err := buildProxyURLFromConfig(snapshot.Proxy)
+	if err != nil {
+		logger.Warnf("全局代理配置无效，回退系统代理：%v", err)
+		transport.Proxy = http.ProxyFromEnvironment
+		return transport
+	}
+
+	transport.Proxy = http.ProxyURL(proxyURL)
+	if !isLoopbackProxyHost(snapshot.Proxy.Host) {
+		return transport
+	}
+
+	fallbackTransport := transport.Clone()
+	fallbackTransport.TLSClientConfig = cloneTLSConfigWithInsecureSkipVerify(fallbackTransport.TLSClientConfig)
+	return &localProxyTLSFallbackTransport{
+		primary:       transport,
+		fallback:      fallbackTransport,
+		proxyEndpoint: proxyURL.Redacted(),
+	}
+}
+
+func (t *localProxyTLSFallbackTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	resp, err := t.primary.RoundTrip(req)
+	if err == nil {
+		return resp, nil
+	}
+	if !isTLSFallbackCandidate(req.Method, err) {
+		return nil, err
+	}
+
+	retryReq, cloneErr := cloneRequestForRetry(req)
+	if cloneErr != nil {
+		return nil, err
+	}
+	logger.Warnf("检测到本地代理 TLS 证书不受信任，启用兼容回退：代理=%s 目标=%s 错误=%v", t.proxyEndpoint, req.URL.String(), err)
+	return t.fallback.RoundTrip(retryReq)
+}
+
+func isTLSFallbackCandidate(method string, err error) bool {
+	if !isIdempotentRequestMethod(method) {
+		return false
+	}
+	return isUnknownAuthorityError(err)
+}
+
+func isIdempotentRequestMethod(method string) bool {
+	switch strings.ToUpper(strings.TrimSpace(method)) {
+	case http.MethodGet, http.MethodHead:
+		return true
+	default:
+		return false
+	}
+}
+
+func cloneRequestForRetry(req *http.Request) (*http.Request, error) {
+	cloned := req.Clone(req.Context())
+	if req.Body == nil || req.Body == http.NoBody {
+		return cloned, nil
+	}
+	if req.GetBody == nil {
+		return nil, fmt.Errorf("request body not replayable")
+	}
+	body, err := req.GetBody()
+	if err != nil {
+		return nil, err
+	}
+	cloned.Body = body
+	return cloned, nil
+}
+
+func isUnknownAuthorityError(err error) bool {
+	var unknownErr x509.UnknownAuthorityError
+	if errors.As(err, &unknownErr) {
+		return true
+	}
+	return strings.Contains(strings.ToLower(err.Error()), "x509: certificate signed by unknown authority")
+}
+
+func cloneTLSConfigWithInsecureSkipVerify(base *tls.Config) *tls.Config {
+	if base == nil {
+		return &tls.Config{InsecureSkipVerify: true}
+	}
+	cloned := base.Clone()
+	cloned.InsecureSkipVerify = true
+	return cloned
+}
+
+func isLoopbackProxyHost(host string) bool {
+	trimmed := strings.TrimSpace(host)
+	if trimmed == "" {
+		return false
+	}
+	if strings.EqualFold(trimmed, "localhost") {
+		return true
+	}
+	ip := net.ParseIP(trimmed)
+	if ip == nil {
+		return false
+	}
+	return ip.IsLoopback()
+}
+
+func buildProxyURLFromConfig(proxyConfig connection.ProxyConfig) (*url.URL, error) {
+	normalizedProxy, err := proxytunnel.NormalizeConfig(proxyConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	proxyType := strings.ToLower(strings.TrimSpace(normalizedProxy.Type))
+	if proxyType != "http" && proxyType != "socks5" {
+		return nil, fmt.Errorf("不支持的代理类型：%s", normalizedProxy.Type)
+	}
+	if strings.TrimSpace(normalizedProxy.Host) == "" {
+		return nil, fmt.Errorf("代理地址不能为空")
+	}
+	if normalizedProxy.Port <= 0 || normalizedProxy.Port > 65535 {
+		return nil, fmt.Errorf("代理端口无效：%d", normalizedProxy.Port)
+	}
+
+	proxyURL := &url.URL{
+		Scheme: proxyType,
+		Host:   net.JoinHostPort(strings.TrimSpace(normalizedProxy.Host), strconv.Itoa(normalizedProxy.Port)),
+	}
+	if strings.TrimSpace(normalizedProxy.User) != "" {
+		proxyURL.User = url.UserPassword(strings.TrimSpace(normalizedProxy.User), normalizedProxy.Password)
+	}
+	return proxyURL, nil
+}

internal/app/methods_db.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/db"
 	"GoNavi-Wails/internal/logger"
 	"GoNavi-Wails/internal/utils"
 )
@@ -14,31 +15,66 @@ import (
 // Generic DB Methods
 
 func (a *App) DBConnect(config connection.ConnectionConfig) connection.QueryResult {
-	// getDatabase checks cache and Pings. If valid, reuses. If not, connects.
-	_, err := a.getDatabase(config)
+	// 连接测试需要强制 ping，避免缓存命中但连接已失效时误判成功。
+	_, err := a.getDatabaseForcePing(config)
 	if err != nil {
 		logger.Error(err, "DBConnect 连接失败：%s", formatConnSummary(config))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
+
 	logger.Infof("DBConnect 连接成功：%s", formatConnSummary(config))
 	return connection.QueryResult{Success: true, Message: "连接成功"}
 }
 
 func (a *App) TestConnection(config connection.ConnectionConfig) connection.QueryResult {
-	_, err := a.getDatabase(config)
+	_, err := a.getDatabaseForcePing(config)
 	if err != nil {
 		logger.Error(err, "TestConnection 连接测试失败：%s", formatConnSummary(config))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
+
 	logger.Infof("TestConnection 连接测试成功：%s", formatConnSummary(config))
 	return connection.QueryResult{Success: true, Message: "连接成功"}
 }
 
+func (a *App) MongoDiscoverMembers(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "mongodb"
+
+	dbInst, err := a.getDatabaseForcePing(config)
+	if err != nil {
+		logger.Error(err, "MongoDiscoverMembers 获取连接失败：%s", formatConnSummary(config))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	discoverable, ok := dbInst.(interface {
+		DiscoverMembers() (string, []connection.MongoMemberInfo, error)
+	})
+	if !ok {
+		return connection.QueryResult{Success: false, Message: "当前 MongoDB 驱动不支持成员发现"}
+	}
+
+	replicaSet, members, err := discoverable.DiscoverMembers()
+	if err != nil {
+		logger.Error(err, "MongoDiscoverMembers 执行失败：%s", formatConnSummary(config))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	data := map[string]interface{}{
+		"replicaSet": replicaSet,
+		"members":    members,
+	}
+
+	logger.Infof("MongoDiscoverMembers 成功：%s 成员数=%d 副本集=%s", formatConnSummary(config), len(members), replicaSet)
+	return connection.QueryResult{
+		Success: true,
+		Message: fmt.Sprintf("发现 %d 个成员", len(members)),
+		Data:    data,
+	}
+}
+
 func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string) connection.QueryResult {
 	runConfig := config
-	runConfig.Database = "" 
+	runConfig.Database = ""
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
@@ -47,9 +83,18 @@ func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string)
 
 	escapedDbName := strings.ReplaceAll(dbName, "`", "``")
 	query := fmt.Sprintf("CREATE DATABASE `%s` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci", escapedDbName)
-	if runConfig.Type == "postgres" {
+	dbType := strings.ToLower(strings.TrimSpace(runConfig.Type))
+	if dbType == "postgres" || dbType == "kingbase" || dbType == "highgo" || dbType == "vastbase" {
 		escapedDbName = strings.ReplaceAll(dbName, `"`, `""`)
 		query = fmt.Sprintf("CREATE DATABASE \"%s\"", escapedDbName)
+	} else if dbType == "tdengine" {
+		query = fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", quoteIdentByType(dbType, dbName))
+	} else if dbType == "clickhouse" {
+		query = fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", quoteIdentByType(dbType, dbName))
+	} else if dbType == "mariadb" || dbType == "diros" {
+		// MariaDB uses same syntax as MySQL
+	} else if dbType == "sphinx" {
+		return connection.QueryResult{Success: false, Message: "Sphinx 暂不支持创建数据库"}
 	}
 
 	_, err = dbInst.Exec(query)
@@ -60,6 +105,251 @@ func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string)
 	return connection.QueryResult{Success: true, Message: "Database created successfully"}
 }
 
+func resolveDDLDBType(config connection.ConnectionConfig) string {
+	dbType := strings.ToLower(strings.TrimSpace(config.Type))
+	if dbType != "custom" {
+		return dbType
+	}
+
+	driver := strings.ToLower(strings.TrimSpace(config.Driver))
+	switch driver {
+	case "postgresql", "postgres", "pg", "pq", "pgx":
+		return "postgres"
+	case "dm", "dameng", "dm8":
+		return "dameng"
+	case "sqlite3", "sqlite":
+		return "sqlite"
+	case "sphinxql":
+		return "sphinx"
+	case "diros", "doris":
+		return "diros"
+	case "kingbase", "kingbase8", "kingbasees", "kingbasev8":
+		return "kingbase"
+	case "highgo":
+		return "highgo"
+	case "vastbase":
+		return "vastbase"
+	}
+
+	switch {
+	case strings.Contains(driver, "postgres"):
+		return "postgres"
+	case strings.Contains(driver, "kingbase"):
+		return "kingbase"
+	case strings.Contains(driver, "highgo"):
+		return "highgo"
+	case strings.Contains(driver, "vastbase"):
+		return "vastbase"
+	case strings.Contains(driver, "sqlite"):
+		return "sqlite"
+	case strings.Contains(driver, "sphinx"):
+		return "sphinx"
+	case strings.Contains(driver, "diros"), strings.Contains(driver, "doris"):
+		return "diros"
+	default:
+		return driver
+	}
+}
+
+func normalizeSchemaAndTableByType(dbType string, dbName string, tableName string) (string, string) {
+	rawTable := strings.TrimSpace(tableName)
+	rawDB := strings.TrimSpace(dbName)
+	if rawTable == "" {
+		return rawDB, rawTable
+	}
+
+	if parts := strings.SplitN(rawTable, ".", 2); len(parts) == 2 {
+		schema := strings.TrimSpace(parts[0])
+		table := strings.TrimSpace(parts[1])
+		if schema != "" && table != "" {
+			return schema, table
+		}
+	}
+
+	switch dbType {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		return "public", rawTable
+	default:
+		return rawDB, rawTable
+	}
+}
+
+func quoteTableIdentByType(dbType string, schema string, table string) string {
+	s := strings.TrimSpace(schema)
+	t := strings.TrimSpace(table)
+	if s == "" {
+		return quoteIdentByType(dbType, t)
+	}
+	return fmt.Sprintf("%s.%s", quoteIdentByType(dbType, s), quoteIdentByType(dbType, t))
+}
+
+func buildRunConfigForDDL(config connection.ConnectionConfig, dbType string, dbName string) connection.ConnectionConfig {
+	runConfig := normalizeRunConfig(config, dbName)
+	if strings.EqualFold(strings.TrimSpace(config.Type), "custom") {
+		// custom 连接的 dbName 语义依赖 driver，尽量在常见驱动上对齐内置类型行为。
+		switch dbType {
+		case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "vastbase", "dameng", "clickhouse":
+			if strings.TrimSpace(dbName) != "" {
+				runConfig.Database = strings.TrimSpace(dbName)
+			}
+		}
+	}
+	return runConfig
+}
+
+func (a *App) RenameDatabase(config connection.ConnectionConfig, oldName string, newName string) connection.QueryResult {
+	oldName = strings.TrimSpace(oldName)
+	newName = strings.TrimSpace(newName)
+	if oldName == "" || newName == "" {
+		return connection.QueryResult{Success: false, Message: "数据库名称不能为空"}
+	}
+	if strings.EqualFold(oldName, newName) {
+		return connection.QueryResult{Success: false, Message: "新旧数据库名称不能相同"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx":
+		return connection.QueryResult{Success: false, Message: "MySQL/MariaDB/Doris/Sphinx 不支持直接重命名数据库，请新建库后迁移数据"}
+	case "postgres", "kingbase", "highgo", "vastbase":
+		if strings.EqualFold(strings.TrimSpace(config.Database), oldName) {
+			return connection.QueryResult{Success: false, Message: "当前连接正在使用目标数据库，请先连接到其他数据库后再重命名"}
+		}
+		runConfig := config
+		dbInst, err := a.getDatabase(runConfig)
+		if err != nil {
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		sql := fmt.Sprintf("ALTER DATABASE %s RENAME TO %s", quoteIdentByType(dbType, oldName), quoteIdentByType(dbType, newName))
+		if _, err := dbInst.Exec(sql); err != nil {
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		return connection.QueryResult{Success: true, Message: "数据库重命名成功"}
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名数据库", dbType)}
+	}
+}
+
+func (a *App) DropDatabase(config connection.ConnectionConfig, dbName string) connection.QueryResult {
+	dbName = strings.TrimSpace(dbName)
+	if dbName == "" {
+		return connection.QueryResult{Success: false, Message: "数据库名称不能为空"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	var (
+		runConfig connection.ConnectionConfig
+		sql       string
+	)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "tdengine", "clickhouse":
+		runConfig = config
+		runConfig.Database = ""
+		sql = fmt.Sprintf("DROP DATABASE %s", quoteIdentByType(dbType, dbName))
+	case "postgres", "kingbase", "highgo", "vastbase":
+		if strings.EqualFold(strings.TrimSpace(config.Database), dbName) {
+			return connection.QueryResult{Success: false, Message: "当前连接正在使用目标数据库，请先连接到其他数据库后再删除"}
+		}
+		runConfig = config
+		sql = fmt.Sprintf("DROP DATABASE %s", quoteIdentByType(dbType, dbName))
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除数据库", dbType)}
+	}
+
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "数据库删除成功"}
+}
+
+func (a *App) RenameTable(config connection.ConnectionConfig, dbName string, oldTableName string, newTableName string) connection.QueryResult {
+	oldTableName = strings.TrimSpace(oldTableName)
+	newTableName = strings.TrimSpace(newTableName)
+	if oldTableName == "" || newTableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+	if strings.EqualFold(oldTableName, newTableName) {
+		return connection.QueryResult{Success: false, Message: "新旧表名不能相同"}
+	}
+	if strings.Contains(newTableName, ".") {
+		return connection.QueryResult{Success: false, Message: "新表名不能包含 schema 或数据库前缀"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名表", dbType)}
+	}
+
+	schemaName, pureOldTableName := normalizeSchemaAndTableByType(dbType, dbName, oldTableName)
+	if pureOldTableName == "" {
+		return connection.QueryResult{Success: false, Message: "旧表名不能为空"}
+	}
+	oldQualifiedTable := quoteTableIdentByType(dbType, schemaName, pureOldTableName)
+	newTableQuoted := quoteIdentByType(dbType, newTableName)
+
+	var sql string
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "clickhouse":
+		newQualifiedTable := quoteTableIdentByType(dbType, schemaName, newTableName)
+		sql = fmt.Sprintf("RENAME TABLE %s TO %s", oldQualifiedTable, newQualifiedTable)
+	case "sqlserver":
+		// SQL Server 使用 sp_rename，参数为 'schema.oldname', 'newname'
+		oldFullName := schemaName + "." + pureOldTableName
+		escapedOld := strings.ReplaceAll(oldFullName, "'", "''")
+		escapedNew := strings.ReplaceAll(newTableName, "'", "''")
+		sql = fmt.Sprintf("EXEC sp_rename '%s', '%s'", escapedOld, escapedNew)
+	default:
+		sql = fmt.Sprintf("ALTER TABLE %s RENAME TO %s", oldQualifiedTable, newTableQuoted)
+	}
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "表重命名成功"}
+}
+
+func (a *App) DropTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
+	tableName = strings.TrimSpace(tableName)
+	if tableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "tdengine", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除表", dbType)}
+	}
+
+	schemaName, pureTableName := normalizeSchemaAndTableByType(dbType, dbName, tableName)
+	if pureTableName == "" {
+		return connection.QueryResult{Success: false, Message: "表名不能为空"}
+	}
+	qualifiedTable := quoteTableIdentByType(dbType, schemaName, pureTableName)
+	sql := fmt.Sprintf("DROP TABLE %s", qualifiedTable)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "表删除成功"}
+}
+
 func (a *App) MySQLConnect(config connection.ConnectionConfig) connection.QueryResult {
 	config.Type = "mysql"
 	return a.DBConnect(config)
@@ -103,7 +393,12 @@ func (a *App) DBQuery(config connection.ConnectionConfig, dbName string, query s
 	defer cancel()
 
 	lowerQuery := strings.TrimSpace(strings.ToLower(query))
-	if strings.HasPrefix(lowerQuery, "select") || strings.HasPrefix(lowerQuery, "show") || strings.HasPrefix(lowerQuery, "describe") || strings.HasPrefix(lowerQuery, "explain") {
+	isReadQuery := strings.HasPrefix(lowerQuery, "select") || strings.HasPrefix(lowerQuery, "show") || strings.HasPrefix(lowerQuery, "describe") || strings.HasPrefix(lowerQuery, "explain")
+	// MongoDB JSON 命令中的 find/count/aggregate 也属于读查询
+	if !isReadQuery && strings.ToLower(strings.TrimSpace(runConfig.Type)) == "mongodb" && strings.HasPrefix(strings.TrimSpace(query), "{") {
+		isReadQuery = true
+	}
+	if isReadQuery {
 		var data []map[string]interface{}
 		var columns []string
 		if q, ok := dbInst.(interface {
@@ -135,6 +430,66 @@ func (a *App) DBQuery(config connection.ConnectionConfig, dbName string, query s
 	}
 }
 
+func (a *App) DBQueryIsolated(config connection.ConnectionConfig, dbName string, query string) connection.QueryResult {
+	runConfig := normalizeRunConfig(config, dbName)
+
+	dbInst, err := a.openDatabaseIsolated(runConfig)
+	if err != nil {
+		logger.Error(err, "DBQueryIsolated 获取连接失败：%s", formatConnSummary(runConfig))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	defer func() {
+		if closeErr := dbInst.Close(); closeErr != nil {
+			logger.Error(closeErr, "DBQueryIsolated 关闭临时连接失败：%s", formatConnSummary(runConfig))
+		}
+	}()
+
+	query = sanitizeSQLForPgLike(runConfig.Type, query)
+	timeoutSeconds := runConfig.Timeout
+	if timeoutSeconds <= 0 {
+		timeoutSeconds = 30
+	}
+	ctx, cancel := utils.ContextWithTimeout(time.Duration(timeoutSeconds) * time.Second)
+	defer cancel()
+
+	lowerQuery := strings.TrimSpace(strings.ToLower(query))
+	isReadQuery := strings.HasPrefix(lowerQuery, "select") || strings.HasPrefix(lowerQuery, "show") || strings.HasPrefix(lowerQuery, "describe") || strings.HasPrefix(lowerQuery, "explain")
+	if !isReadQuery && strings.ToLower(strings.TrimSpace(runConfig.Type)) == "mongodb" && strings.HasPrefix(strings.TrimSpace(query), "{") {
+		isReadQuery = true
+	}
+
+	if isReadQuery {
+		var data []map[string]interface{}
+		var columns []string
+		if q, ok := dbInst.(interface {
+			QueryContext(context.Context, string) ([]map[string]interface{}, []string, error)
+		}); ok {
+			data, columns, err = q.QueryContext(ctx, query)
+		} else {
+			data, columns, err = dbInst.Query(query)
+		}
+		if err != nil {
+			logger.Error(err, "DBQueryIsolated 查询失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+			return connection.QueryResult{Success: false, Message: err.Error()}
+		}
+		return connection.QueryResult{Success: true, Data: data, Fields: columns}
+	}
+
+	var affected int64
+	if e, ok := dbInst.(interface {
+		ExecContext(context.Context, string) (int64, error)
+	}); ok {
+		affected, err = e.ExecContext(ctx, query)
+	} else {
+		affected, err = dbInst.Exec(query)
+	}
+	if err != nil {
+		logger.Error(err, "DBQueryIsolated 执行失败：%s SQL片段=%q", formatConnSummary(runConfig), sqlSnippet(query))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Data: map[string]int64{"affectedRows": affected}}
+}
+
 func sqlSnippet(query string) string {
 	q := strings.TrimSpace(query)
 	const max = 200
@@ -156,12 +511,12 @@ func (a *App) DBGetDatabases(config connection.ConnectionConfig) connection.Quer
 		logger.Error(err, "DBGetDatabases 获取数据库列表失败：%s", formatConnSummary(config))
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
-	
+
 	var resData []map[string]string
 	for _, name := range dbs {
 		resData = append(resData, map[string]string{"Database": name})
 	}
-	
+
 	return connection.QueryResult{Success: true, Data: resData}
 }
 
@@ -189,7 +544,8 @@ func (a *App) DBGetTables(config connection.ConnectionConfig, dbName string) con
 }
 
 func (a *App) DBShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
-	runConfig := normalizeRunConfig(config, dbName)
+	dbType := resolveDDLDBType(config)
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
 
 	dbInst, err := a.getDatabase(runConfig)
 	if err != nil {
@@ -197,8 +553,7 @@ func (a *App) DBShowCreateTable(config connection.ConnectionConfig, dbName strin
 		return connection.QueryResult{Success: false, Message: err.Error()}
 	}
 
-	schemaName, pureTableName := normalizeSchemaAndTable(config, dbName, tableName)
-	sqlStr, err := dbInst.GetCreateStatement(schemaName, pureTableName)
+	sqlStr, err := resolveCreateStatementWithFallback(dbInst, config, dbName, tableName)
 	if err != nil {
 		logger.Error(err, "DBShowCreateTable 获取建表语句失败：%s 表=%s", formatConnSummary(runConfig), tableName)
 		return connection.QueryResult{Success: false, Message: err.Error()}
@@ -207,6 +562,147 @@ func (a *App) DBShowCreateTable(config connection.ConnectionConfig, dbName strin
 	return connection.QueryResult{Success: true, Data: sqlStr}
 }
 
+func resolveCreateStatementWithFallback(dbInst db.Database, config connection.ConnectionConfig, dbName string, tableName string) (string, error) {
+	dbType := resolveDDLDBType(config)
+	schemaName, pureTableName := normalizeSchemaAndTableByType(dbType, dbName, tableName)
+	if pureTableName == "" {
+		return "", fmt.Errorf("表名不能为空")
+	}
+
+	sqlStr, sourceErr := dbInst.GetCreateStatement(schemaName, pureTableName)
+	if sourceErr == nil && !shouldFallbackCreateStatement(dbType, sqlStr) {
+		return sqlStr, nil
+	}
+
+	if !supportsCreateStatementFallback(dbType) {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return sqlStr, nil
+	}
+
+	columns, colErr := dbInst.GetColumns(schemaName, pureTableName)
+	if colErr != nil {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return "", colErr
+	}
+
+	fallbackDDL, buildErr := buildFallbackCreateStatement(dbType, schemaName, pureTableName, columns)
+	if buildErr != nil {
+		if sourceErr != nil {
+			return "", sourceErr
+		}
+		return "", buildErr
+	}
+	return fallbackDDL, nil
+}
+
+func supportsCreateStatementFallback(dbType string) bool {
+	switch dbType {
+	case "postgres", "kingbase", "highgo", "vastbase":
+		return true
+	default:
+		return false
+	}
+}
+
+func shouldFallbackCreateStatement(dbType string, ddl string) bool {
+	if !supportsCreateStatementFallback(dbType) {
+		return false
+	}
+
+	trimmed := strings.TrimSpace(ddl)
+	if trimmed == "" {
+		return true
+	}
+	if hasCreateTableHead(trimmed) {
+		return false
+	}
+
+	lower := strings.ToLower(trimmed)
+	if strings.Contains(lower, "not fully supported") ||
+		strings.Contains(lower, "not directly supported") ||
+		strings.Contains(lower, "not supported") {
+		return true
+	}
+	return true
+}
+
+func hasCreateTableHead(sqlText string) bool {
+	lines := strings.Split(sqlText, "\n")
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		if strings.HasPrefix(line, "--") || strings.HasPrefix(line, "/*") || strings.HasPrefix(line, "*") {
+			continue
+		}
+		return strings.HasPrefix(strings.ToLower(line), "create table")
+	}
+	return false
+}
+
+func buildFallbackCreateStatement(dbType string, schemaName string, tableName string, columns []connection.ColumnDefinition) (string, error) {
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		return "", fmt.Errorf("表名不能为空")
+	}
+	if len(columns) == 0 {
+		return "", fmt.Errorf("未获取到字段定义，无法生成建表语句")
+	}
+
+	qualifiedTable := quoteTableIdentByType(dbType, schemaName, table)
+	columnLines := make([]string, 0, len(columns)+1)
+	primaryKeys := make([]string, 0, 2)
+
+	for _, col := range columns {
+		colNameRaw := strings.TrimSpace(col.Name)
+		if colNameRaw == "" {
+			continue
+		}
+		colType := strings.TrimSpace(col.Type)
+		if colType == "" {
+			colType = "text"
+		}
+
+		colName := quoteIdentByType(dbType, colNameRaw)
+		defParts := []string{fmt.Sprintf("%s %s", colName, colType)}
+
+		if strings.EqualFold(strings.TrimSpace(col.Nullable), "NO") {
+			defParts = append(defParts, "NOT NULL")
+		}
+		if col.Default != nil {
+			defVal := strings.TrimSpace(*col.Default)
+			if defVal != "" {
+				defParts = append(defParts, "DEFAULT "+defVal)
+			}
+		}
+
+		columnLines = append(columnLines, "  "+strings.Join(defParts, " "))
+		if strings.EqualFold(strings.TrimSpace(col.Key), "PRI") {
+			primaryKeys = append(primaryKeys, colName)
+		}
+	}
+
+	if len(columnLines) == 0 {
+		return "", fmt.Errorf("字段定义为空，无法生成建表语句")
+	}
+	if len(primaryKeys) > 0 {
+		columnLines = append(columnLines, "  PRIMARY KEY ("+strings.Join(primaryKeys, ", ")+")")
+	}
+
+	ddl := strings.Builder{}
+	ddl.WriteString("CREATE TABLE ")
+	ddl.WriteString(qualifiedTable)
+	ddl.WriteString(" (\n")
+	ddl.WriteString(strings.Join(columnLines, ",\n"))
+	ddl.WriteString("\n);")
+	return ddl.String(), nil
+}
+
 func (a *App) DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
 	runConfig := normalizeRunConfig(config, dbName)
 
@@ -275,6 +771,128 @@ func (a *App) DBGetTriggers(config connection.ConnectionConfig, dbName string, t
 	return connection.QueryResult{Success: true, Data: triggers}
 }
 
+func (a *App) DropView(config connection.ConnectionConfig, dbName string, viewName string) connection.QueryResult {
+	viewName = strings.TrimSpace(viewName)
+	if viewName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "clickhouse":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除视图", dbType)}
+	}
+
+	schemaName, pureViewName := normalizeSchemaAndTableByType(dbType, dbName, viewName)
+	if pureViewName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
+	}
+	qualifiedView := quoteTableIdentByType(dbType, schemaName, pureViewName)
+	sql := fmt.Sprintf("DROP VIEW %s", qualifiedView)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "视图删除成功"}
+}
+
+func (a *App) DropFunction(config connection.ConnectionConfig, dbName string, routineName string, routineType string) connection.QueryResult {
+	routineName = strings.TrimSpace(routineName)
+	routineType = strings.TrimSpace(strings.ToUpper(routineType))
+	if routineName == "" {
+		return connection.QueryResult{Success: false, Message: "函数/存储过程名称不能为空"}
+	}
+	if routineType != "FUNCTION" && routineType != "PROCEDURE" {
+		routineType = "FUNCTION"
+	}
+
+	dbType := resolveDDLDBType(config)
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "duckdb":
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除函数/存储过程", dbType)}
+	}
+	if dbType == "duckdb" && routineType == "PROCEDURE" {
+		return connection.QueryResult{Success: false, Message: "DuckDB 暂不支持存储过程"}
+	}
+
+	schemaName, pureName := normalizeSchemaAndTableByType(dbType, dbName, routineName)
+	if pureName == "" {
+		return connection.QueryResult{Success: false, Message: "函数/存储过程名称不能为空"}
+	}
+	qualifiedName := quoteTableIdentByType(dbType, schemaName, pureName)
+	sql := fmt.Sprintf("DROP %s %s", routineType, qualifiedName)
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	label := "函数"
+	if routineType == "PROCEDURE" {
+		label = "存储过程"
+	}
+	return connection.QueryResult{Success: true, Message: fmt.Sprintf("%s删除成功", label)}
+}
+
+func (a *App) RenameView(config connection.ConnectionConfig, dbName string, oldName string, newName string) connection.QueryResult {
+	oldName = strings.TrimSpace(oldName)
+	newName = strings.TrimSpace(newName)
+	if oldName == "" || newName == "" {
+		return connection.QueryResult{Success: false, Message: "视图名称不能为空"}
+	}
+	if strings.EqualFold(oldName, newName) {
+		return connection.QueryResult{Success: false, Message: "新旧视图名称不能相同"}
+	}
+	if strings.Contains(newName, ".") {
+		return connection.QueryResult{Success: false, Message: "新视图名不能包含 schema 或数据库前缀"}
+	}
+
+	dbType := resolveDDLDBType(config)
+	schemaName, pureOldName := normalizeSchemaAndTableByType(dbType, dbName, oldName)
+	if pureOldName == "" {
+		return connection.QueryResult{Success: false, Message: "旧视图名不能为空"}
+	}
+	oldQualified := quoteTableIdentByType(dbType, schemaName, pureOldName)
+	newQuoted := quoteIdentByType(dbType, newName)
+
+	var sql string
+	switch dbType {
+	case "mysql", "mariadb", "diros", "sphinx", "clickhouse":
+		newQualified := quoteTableIdentByType(dbType, schemaName, newName)
+		sql = fmt.Sprintf("RENAME TABLE %s TO %s", oldQualified, newQualified)
+	case "postgres", "kingbase", "highgo", "vastbase":
+		sql = fmt.Sprintf("ALTER VIEW %s RENAME TO %s", oldQualified, newQuoted)
+	case "sqlserver":
+		oldFullName := schemaName + "." + pureOldName
+		escapedOld := strings.ReplaceAll(oldFullName, "'", "''")
+		escapedNew := strings.ReplaceAll(newName, "'", "''")
+		sql = fmt.Sprintf("EXEC sp_rename '%s', '%s'", escapedOld, escapedNew)
+	default:
+		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名视图", dbType)}
+	}
+
+	runConfig := buildRunConfigForDDL(config, dbType, dbName)
+	dbInst, err := a.getDatabase(runConfig)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	if _, err := dbInst.Exec(sql); err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	return connection.QueryResult{Success: true, Message: "视图重命名成功"}
+}
+
 func (a *App) DBGetAllColumns(config connection.ConnectionConfig, dbName string) connection.QueryResult {
 	runConfig := normalizeRunConfig(config, dbName)
 

internal/app/methods_db_create_statement_test.go

@@ -0,0 +1,174 @@
+package app
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+type fakeCreateStatementDB struct {
+	createSQL  string
+	createErr  error
+	columns    []connection.ColumnDefinition
+	columnsErr error
+
+	createSchema string
+	createTable  string
+	colsSchema   string
+	colsTable    string
+}
+
+func (f *fakeCreateStatementDB) Connect(config connection.ConnectionConfig) error { return nil }
+func (f *fakeCreateStatementDB) Close() error                                     { return nil }
+func (f *fakeCreateStatementDB) Ping() error                                      { return nil }
+func (f *fakeCreateStatementDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	return nil, nil, nil
+}
+func (f *fakeCreateStatementDB) Exec(query string) (int64, error)          { return 0, nil }
+func (f *fakeCreateStatementDB) GetDatabases() ([]string, error)           { return nil, nil }
+func (f *fakeCreateStatementDB) GetTables(dbName string) ([]string, error) { return nil, nil }
+func (f *fakeCreateStatementDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	f.createSchema = dbName
+	f.createTable = tableName
+	return f.createSQL, f.createErr
+}
+func (f *fakeCreateStatementDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	f.colsSchema = dbName
+	f.colsTable = tableName
+	return f.columns, f.columnsErr
+}
+func (f *fakeCreateStatementDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return nil, nil
+}
+func (f *fakeCreateStatementDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return nil, nil
+}
+
+func TestResolveDDLDBType_CustomDriverAlias(t *testing.T) {
+	t.Parallel()
+
+	testCases := []struct {
+		name   string
+		driver string
+		want   string
+	}{
+		{name: "postgresql alias", driver: "postgresql", want: "postgres"},
+		{name: "pgx alias", driver: "pgx", want: "postgres"},
+		{name: "kingbase8 alias", driver: "kingbase8", want: "kingbase"},
+		{name: "kingbase contains alias", driver: "kingbasees", want: "kingbase"},
+		{name: "dm alias", driver: "dm8", want: "dameng"},
+		{name: "sqlite alias", driver: "sqlite3", want: "sqlite"},
+	}
+
+	for _, tc := range testCases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+			cfg := connection.ConnectionConfig{Type: "custom", Driver: tc.driver}
+			if got := resolveDDLDBType(cfg); got != tc.want {
+				t.Fatalf("resolveDDLDBType() mismatch, want=%q got=%q", tc.want, got)
+			}
+		})
+	}
+}
+
+func TestResolveCreateStatementWithFallback_CustomKingbaseUsesPublicSchema(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL: "SHOW CREATE TABLE not directly supported in Kingbase/Postgres via SQL",
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "bigint", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type:   "custom",
+		Driver: "kingbase8",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if dbInst.createSchema != "public" || dbInst.colsSchema != "public" {
+		t.Fatalf("expected fallback schema public, got create=%q columns=%q", dbInst.createSchema, dbInst.colsSchema)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "public"."orders"`) {
+		t.Fatalf("expected fallback DDL with public schema, got: %s", ddl)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_KeepQualifiedSchema(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL: "-- SHOW CREATE TABLE not fully supported for PostgreSQL in this MVP.",
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "integer", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type:   "custom",
+		Driver: "postgresql",
+	}, "demo_db", "sales.orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if dbInst.createSchema != "sales" || dbInst.colsSchema != "sales" {
+		t.Fatalf("expected schema sales, got create=%q columns=%q", dbInst.createSchema, dbInst.colsSchema)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "sales"."orders"`) {
+		t.Fatalf("expected fallback DDL with sales schema, got: %s", ddl)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_NoFallbackForMySQL(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createSQL:  "SHOW CREATE TABLE not directly supported in Kingbase/Postgres via SQL",
+		columnsErr: errors.New("should not be called"),
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type: "mysql",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if ddl != dbInst.createSQL {
+		t.Fatalf("expected original ddl for mysql, got: %s", ddl)
+	}
+	if dbInst.colsTable != "" {
+		t.Fatalf("mysql path should not call GetColumns, got table=%q", dbInst.colsTable)
+	}
+}
+
+func TestResolveCreateStatementWithFallback_FallbackWhenCreateStatementError(t *testing.T) {
+	t.Parallel()
+
+	dbInst := &fakeCreateStatementDB{
+		createErr: errors.New("statement unsupported"),
+		columns: []connection.ColumnDefinition{
+			{Name: "id", Type: "bigint", Nullable: "NO", Key: "PRI"},
+		},
+	}
+
+	ddl, err := resolveCreateStatementWithFallback(dbInst, connection.ConnectionConfig{
+		Type: "postgres",
+	}, "demo_db", "orders")
+	if err != nil {
+		t.Fatalf("resolveCreateStatementWithFallback() unexpected error: %v", err)
+	}
+	if !strings.Contains(ddl, `CREATE TABLE "public"."orders"`) {
+		t.Fatalf("expected fallback DDL for postgres error path, got: %s", ddl)
+	}
+}

internal/app/methods_redis.go

@@ -0,0 +1,600 @@
+package app
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"math"
+	"strconv"
+	"strings"
+	"sync"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/redis"
+)
+
+// Redis client cache
+var (
+	redisCache   = make(map[string]redis.RedisClient)
+	redisCacheMu sync.Mutex
+)
+
+// getRedisClient gets or creates a Redis client from cache
+func (a *App) getRedisClient(config connection.ConnectionConfig) (redis.RedisClient, error) {
+	key := getRedisClientCacheKey(config)
+	shortKey := key
+	if len(shortKey) > 12 {
+		shortKey = shortKey[:12]
+	}
+	logger.Infof("获取 Redis 连接：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
+
+	redisCacheMu.Lock()
+	defer redisCacheMu.Unlock()
+
+	if client, ok := redisCache[key]; ok {
+		logger.Infof("命中 Redis 连接缓存，开始检测可用性：缓存Key=%s", shortKey)
+		if err := client.Ping(); err == nil {
+			logger.Infof("缓存 Redis 连接可用：缓存Key=%s", shortKey)
+			return client, nil
+		} else {
+			logger.Error(err, "缓存 Redis 连接不可用，准备重建：缓存Key=%s", shortKey)
+		}
+		client.Close()
+		delete(redisCache, key)
+	}
+
+	logger.Infof("创建 Redis 客户端实例：缓存Key=%s", shortKey)
+	client := redis.NewRedisClient()
+	if err := client.Connect(config); err != nil {
+		logger.Error(err, "Redis 连接失败：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
+		return nil, err
+	}
+
+	redisCache[key] = client
+	logger.Infof("Redis 连接成功并写入缓存：%s 缓存Key=%s", formatRedisConnSummary(config), shortKey)
+	return client, nil
+}
+
+func getRedisClientCacheKey(config connection.ConnectionConfig) string {
+	if !config.UseSSH {
+		config.SSH = connection.SSHConfig{}
+	}
+	b, _ := json.Marshal(config)
+	sum := sha256.Sum256(b)
+	return hex.EncodeToString(sum[:])
+}
+
+func formatRedisConnSummary(config connection.ConnectionConfig) string {
+	timeoutSeconds := config.Timeout
+	if timeoutSeconds <= 0 {
+		timeoutSeconds = 30
+	}
+
+	var b strings.Builder
+	b.WriteString("类型=redis 地址=")
+	b.WriteString(config.Host)
+	b.WriteString(":")
+	b.WriteString(string(rune(config.Port + '0')))
+	b.WriteString(" DB=")
+	b.WriteString(string(rune(config.RedisDB + '0')))
+
+	if config.UseSSH {
+		b.WriteString(" SSH=")
+		b.WriteString(config.SSH.Host)
+		b.WriteString(":")
+		b.WriteString(string(rune(config.SSH.Port + '0')))
+		b.WriteString(" 用户=")
+		b.WriteString(config.SSH.User)
+	}
+
+	return b.String()
+}
+
+// RedisConnect tests a Redis connection
+func (a *App) RedisConnect(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "redis"
+	_, err := a.getRedisClient(config)
+	if err != nil {
+		logger.Error(err, "RedisConnect 连接失败：%s", formatRedisConnSummary(config))
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+	logger.Infof("RedisConnect 连接成功：%s", formatRedisConnSummary(config))
+	return connection.QueryResult{Success: true, Message: "连接成功"}
+}
+
+// RedisTestConnection tests a Redis connection (alias for RedisConnect)
+func (a *App) RedisTestConnection(config connection.ConnectionConfig) connection.QueryResult {
+	return a.RedisConnect(config)
+}
+
+// RedisScanKeys scans keys matching a pattern
+func (a *App) RedisScanKeys(config connection.ConnectionConfig, pattern string, cursor any, count int64) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	parsedCursor, err := parseRedisScanCursor(cursor)
+	if err != nil {
+		logger.Warnf("RedisScanKeys 游标解析失败，已回退到起始游标：cursor=%v err=%v", cursor, err)
+		parsedCursor = 0
+	}
+
+	result, err := client.ScanKeys(pattern, parsedCursor, count)
+	if err != nil {
+		logger.Error(err, "RedisScanKeys 扫描失败：pattern=%s", pattern)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: result}
+}
+
+func parseRedisScanCursor(cursor any) (uint64, error) {
+	switch v := cursor.(type) {
+	case nil:
+		return 0, nil
+	case uint64:
+		return v, nil
+	case uint32:
+		return uint64(v), nil
+	case uint16:
+		return uint64(v), nil
+	case uint8:
+		return uint64(v), nil
+	case uint:
+		return uint64(v), nil
+	case int64:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int32:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int16:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int8:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case int:
+		if v < 0 {
+			return 0, fmt.Errorf("游标不能为负数: %d", v)
+		}
+		return uint64(v), nil
+	case float64:
+		return parseRedisScanCursorFromFloat(v)
+	case float32:
+		return parseRedisScanCursorFromFloat(float64(v))
+	case json.Number:
+		return parseRedisScanCursor(strings.TrimSpace(v.String()))
+	case string:
+		trimmed := strings.TrimSpace(v)
+		if trimmed == "" {
+			return 0, nil
+		}
+		parsed, err := strconv.ParseUint(trimmed, 10, 64)
+		if err != nil {
+			return 0, fmt.Errorf("无效游标: %q", v)
+		}
+		return parsed, nil
+	default:
+		return 0, fmt.Errorf("不支持的游标类型: %T", cursor)
+	}
+}
+
+func parseRedisScanCursorFromFloat(value float64) (uint64, error) {
+	if math.IsNaN(value) || math.IsInf(value, 0) {
+		return 0, fmt.Errorf("无效浮点游标: %v", value)
+	}
+	if value < 0 {
+		return 0, fmt.Errorf("游标不能为负数: %v", value)
+	}
+	if math.Trunc(value) != value {
+		return 0, fmt.Errorf("游标必须为整数: %v", value)
+	}
+	if value > float64(math.MaxUint64) {
+		return 0, fmt.Errorf("游标超出范围: %v", value)
+	}
+	return uint64(value), nil
+}
+
+// RedisGetValue gets the value of a key
+func (a *App) RedisGetValue(config connection.ConnectionConfig, key string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	value, err := client.GetValue(key)
+	if err != nil {
+		logger.Error(err, "RedisGetValue 获取失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: value}
+}
+
+// RedisSetString sets a string value
+func (a *App) RedisSetString(config connection.ConnectionConfig, key, value string, ttl int64) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetString(key, value, ttl); err != nil {
+		logger.Error(err, "RedisSetString 设置失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "设置成功"}
+}
+
+// RedisSetHashField sets a field in a hash
+func (a *App) RedisSetHashField(config connection.ConnectionConfig, key, field, value string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetHashField(key, field, value); err != nil {
+		logger.Error(err, "RedisSetHashField 设置失败：key=%s field=%s", key, field)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "设置成功"}
+}
+
+// RedisDeleteKeys deletes one or more keys
+func (a *App) RedisDeleteKeys(config connection.ConnectionConfig, keys []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	deleted, err := client.DeleteKeys(keys)
+	if err != nil {
+		logger.Error(err, "RedisDeleteKeys 删除失败：keys=%v", keys)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: map[string]int64{"deleted": deleted}}
+}
+
+// RedisSetTTL sets the TTL of a key
+func (a *App) RedisSetTTL(config connection.ConnectionConfig, key string, ttl int64) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetTTL(key, ttl); err != nil {
+		logger.Error(err, "RedisSetTTL 设置失败：key=%s ttl=%d", key, ttl)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "设置成功"}
+}
+
+// RedisExecuteCommand executes a raw Redis command
+func (a *App) RedisExecuteCommand(config connection.ConnectionConfig, command string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	// Parse command string into args
+	args := parseRedisCommand(command)
+	if len(args) == 0 {
+		return connection.QueryResult{Success: false, Message: "命令不能为空"}
+	}
+
+	result, err := client.ExecuteCommand(args)
+	if err != nil {
+		logger.Error(err, "RedisExecuteCommand 执行失败：command=%s", command)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: result}
+}
+
+// parseRedisCommand parses a Redis command string into arguments
+func parseRedisCommand(command string) []string {
+	command = strings.TrimSpace(command)
+	if command == "" {
+		return nil
+	}
+
+	var args []string
+	var current strings.Builder
+	inQuote := false
+	quoteChar := rune(0)
+
+	for _, ch := range command {
+		if inQuote {
+			if ch == quoteChar {
+				inQuote = false
+				args = append(args, current.String())
+				current.Reset()
+			} else {
+				current.WriteRune(ch)
+			}
+		} else {
+			if ch == '"' || ch == '\'' {
+				inQuote = true
+				quoteChar = ch
+			} else if ch == ' ' || ch == '\t' {
+				if current.Len() > 0 {
+					args = append(args, current.String())
+					current.Reset()
+				}
+			} else {
+				current.WriteRune(ch)
+			}
+		}
+	}
+
+	if current.Len() > 0 {
+		args = append(args, current.String())
+	}
+
+	return args
+}
+
+// RedisGetServerInfo returns server information
+func (a *App) RedisGetServerInfo(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	info, err := client.GetServerInfo()
+	if err != nil {
+		logger.Error(err, "RedisGetServerInfo 获取失败")
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: info}
+}
+
+// RedisGetDatabases returns information about all databases
+func (a *App) RedisGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	dbs, err := client.GetDatabases()
+	if err != nil {
+		logger.Error(err, "RedisGetDatabases 获取失败")
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Data: dbs}
+}
+
+// RedisSelectDB selects a database
+func (a *App) RedisSelectDB(config connection.ConnectionConfig, dbIndex int) connection.QueryResult {
+	config.Type = "redis"
+	config.RedisDB = dbIndex
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SelectDB(dbIndex); err != nil {
+		logger.Error(err, "RedisSelectDB 切换失败：db=%d", dbIndex)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "切换成功"}
+}
+
+// RedisRenameKey renames a key
+func (a *App) RedisRenameKey(config connection.ConnectionConfig, oldKey, newKey string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.RenameKey(oldKey, newKey); err != nil {
+		logger.Error(err, "RedisRenameKey 重命名失败：%s -> %s", oldKey, newKey)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "重命名成功"}
+}
+
+// RedisDeleteHashField deletes fields from a hash
+func (a *App) RedisDeleteHashField(config connection.ConnectionConfig, key string, fields []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.DeleteHashField(key, fields...); err != nil {
+		logger.Error(err, "RedisDeleteHashField 删除失败：key=%s fields=%v", key, fields)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功"}
+}
+
+// RedisListPush pushes values to a list
+func (a *App) RedisListPush(config connection.ConnectionConfig, key string, values []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.ListPush(key, values...); err != nil {
+		logger.Error(err, "RedisListPush 添加失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功"}
+}
+
+// RedisListSet sets a value at an index in a list
+func (a *App) RedisListSet(config connection.ConnectionConfig, key string, index int64, value string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.ListSet(key, index, value); err != nil {
+		logger.Error(err, "RedisListSet 设置失败：key=%s index=%d", key, index)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "设置成功"}
+}
+
+// RedisSetAdd adds members to a set
+func (a *App) RedisSetAdd(config connection.ConnectionConfig, key string, members []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetAdd(key, members...); err != nil {
+		logger.Error(err, "RedisSetAdd 添加失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功"}
+}
+
+// RedisSetRemove removes members from a set
+func (a *App) RedisSetRemove(config connection.ConnectionConfig, key string, members []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.SetRemove(key, members...); err != nil {
+		logger.Error(err, "RedisSetRemove 删除失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功"}
+}
+
+// RedisZSetAdd adds members to a sorted set
+func (a *App) RedisZSetAdd(config connection.ConnectionConfig, key string, members []redis.ZSetMember) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.ZSetAdd(key, members...); err != nil {
+		logger.Error(err, "RedisZSetAdd 添加失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功"}
+}
+
+// RedisZSetRemove removes members from a sorted set
+func (a *App) RedisZSetRemove(config connection.ConnectionConfig, key string, members []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.ZSetRemove(key, members...); err != nil {
+		logger.Error(err, "RedisZSetRemove 删除失败：key=%s", key)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功"}
+}
+
+// RedisStreamAdd adds an entry to a stream
+func (a *App) RedisStreamAdd(config connection.ConnectionConfig, key string, fields map[string]string, id string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	newID, err := client.StreamAdd(key, fields, id)
+	if err != nil {
+		logger.Error(err, "RedisStreamAdd 添加失败：key=%s id=%s", key, id)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "添加成功", Data: map[string]string{"id": newID}}
+}
+
+// RedisStreamDelete deletes stream entries by IDs
+func (a *App) RedisStreamDelete(config connection.ConnectionConfig, key string, ids []string) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	deleted, err := client.StreamDelete(key, ids...)
+	if err != nil {
+		logger.Error(err, "RedisStreamDelete 删除失败：key=%s ids=%v", key, ids)
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "删除成功", Data: map[string]int64{"deleted": deleted}}
+}
+
+// RedisFlushDB flushes the current database
+func (a *App) RedisFlushDB(config connection.ConnectionConfig) connection.QueryResult {
+	config.Type = "redis"
+	client, err := a.getRedisClient(config)
+	if err != nil {
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	if err := client.FlushDB(); err != nil {
+		logger.Error(err, "RedisFlushDB 清空失败")
+		return connection.QueryResult{Success: false, Message: err.Error()}
+	}
+
+	return connection.QueryResult{Success: true, Message: "清空成功"}
+}
+
+// CloseAllRedisClients closes all cached Redis clients (called on shutdown)
+func CloseAllRedisClients() {
+	redisCacheMu.Lock()
+	defer redisCacheMu.Unlock()
+
+	for key, client := range redisCache {
+		if client != nil {
+			client.Close()
+			logger.Infof("已关闭 Redis 连接：%s", key[:12])
+		}
+	}
+	redisCache = make(map[string]redis.RedisClient)
+}

internal/app/methods_redis_cursor_test.go

@@ -0,0 +1,50 @@
+package app
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestParseRedisScanCursor(t *testing.T) {
+	t.Parallel()
+
+	testCases := []struct {
+		name    string
+		input   any
+		want    uint64
+		wantErr bool
+	}{
+		{name: "nil defaults to zero", input: nil, want: 0},
+		{name: "empty string defaults to zero", input: "  ", want: 0},
+		{name: "string cursor", input: "123", want: 123},
+		{name: "uint64 cursor", input: uint64(456), want: 456},
+		{name: "int cursor", input: int(789), want: 789},
+		{name: "float cursor", input: float64(42), want: 42},
+		{name: "json number cursor", input: json.Number("88"), want: 88},
+		{name: "negative int rejected", input: -1, wantErr: true},
+		{name: "fraction float rejected", input: float64(1.5), wantErr: true},
+		{name: "invalid string rejected", input: "abc", wantErr: true},
+		{name: "unsupported type rejected", input: true, wantErr: true},
+	}
+
+	for _, tc := range testCases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			got, err := parseRedisScanCursor(tc.input)
+			if tc.wantErr {
+				if err == nil {
+					t.Fatalf("expected error, got nil (value=%d)", got)
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tc.want {
+				t.Fatalf("parseRedisScanCursor() mismatch, want=%d got=%d", tc.want, got)
+			}
+		})
+	}
+}

internal/app/methods_update_windows_script_test.go

@@ -0,0 +1,40 @@
+package app
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestBuildWindowsScriptKeepsBatchForSyntax(t *testing.T) {
+	script := buildWindowsScript(
+		`C:\tmp\GoNavi-v0.4.0-windows-amd64.zip`,
+		`C:\Program Files\GoNavi\GoNavi.exe`,
+		`C:\Program Files\GoNavi\.gonavi-update-windows-v0.4.0`,
+		`C:\Program Files\GoNavi\logs\update-install.log`,
+		13579,
+	)
+
+	mustContain := []string{
+		`for %%I in ("%TARGET%") do set "TARGET_NAME=%%~nxI"`,
+		`for %%I in ("%SOURCE%") do set "SOURCE_EXT=%%~xI"`,
+		`for /R "%EXTRACT_DIR%" %%F in (*.exe) do (`,
+		`set "SOURCE_EXE=%%~fF"`,
+	}
+	for _, want := range mustContain {
+		if !strings.Contains(script, want) {
+			t.Fatalf("windows update script missing required token: %s\nscript:\n%s", want, script)
+		}
+	}
+
+	mustNotContain := []string{
+		`for %I in ("%TARGET%") do set "TARGET_NAME=%~nxI"`,
+		`for %I in ("%SOURCE%") do set "SOURCE_EXT=%~xI"`,
+		`for /R "%EXTRACT_DIR%" %F in (*.exe) do (`,
+		`set "SOURCE_EXE=%~fF"`,
+	}
+	for _, bad := range mustNotContain {
+		if strings.Contains(script, bad) {
+			t.Fatalf("windows update script contains invalid batch syntax: %s\nscript:\n%s", bad, script)
+		}
+	}
+}

internal/app/sql_sanitize.go

@@ -7,7 +7,7 @@ import (
 
 func sanitizeSQLForPgLike(dbType string, query string) string {
 	switch strings.ToLower(strings.TrimSpace(dbType)) {
-	case "postgres", "kingbase":
+	case "postgres", "kingbase", "highgo", "vastbase":
 		// 有些情况下会出现多层重复引用（例如 """"schema"""" 或 ""schema"""），单次修复不一定收敛。
 		// 这里做有限次数的迭代，直到输出不再变化。
 		out := query

internal/app/version.go

@@ -0,0 +1,53 @@
+package app
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+var AppVersion = "0.0.0"
+var AppBuildTime = ""
+
+func getCurrentVersion() string {
+	version := strings.TrimSpace(AppVersion)
+	if version == "" || version == "0.0.0" {
+		if env := strings.TrimSpace(os.Getenv("GONAVI_VERSION")); env != "" {
+			version = env
+		} else if pkgVersion, err := readPackageVersion(); err == nil && pkgVersion != "" {
+			version = pkgVersion
+		}
+	}
+	return normalizeVersion(version)
+}
+
+func readPackageVersion() (string, error) {
+	paths := []string{
+		filepath.Join("frontend", "package.json"),
+	}
+	exe, err := os.Executable()
+	if err == nil {
+		base := filepath.Dir(exe)
+		paths = append(paths, filepath.Join(base, "frontend", "package.json"))
+		paths = append(paths, filepath.Join(base, "..", "frontend", "package.json"))
+	}
+
+	for _, p := range paths {
+		data, err := os.ReadFile(p)
+		if err != nil {
+			continue
+		}
+		var payload struct {
+			Version string `json:"version"`
+		}
+		if err := json.Unmarshal(data, &payload); err != nil {
+			continue
+		}
+		if strings.TrimSpace(payload.Version) != "" {
+			return strings.TrimSpace(payload.Version), nil
+		}
+	}
+
+	return "", os.ErrNotExist
+}

internal/app/window_translucency_darwin.go

@@ -0,0 +1,121 @@
+//go:build darwin
+
+package app
+
+/*
+#cgo CFLAGS: -x objective-c -fblocks
+#cgo LDFLAGS: -framework Cocoa
+#import <Cocoa/Cocoa.h>
+#import <dispatch/dispatch.h>
+
+static void gonaviTuneWindowTranslucency(NSWindow *window) {
+	if (window == nil) {
+		return;
+	}
+	CGFloat cornerRadius = 14.0;
+
+	[window setOpaque:NO];
+	[window setBackgroundColor:[NSColor clearColor]];
+	[window setHasShadow:YES];
+	[window setMovableByWindowBackground:YES];
+
+	NSView *contentView = [window contentView];
+	if (contentView == nil) {
+		return;
+	}
+
+	[contentView setWantsLayer:YES];
+	[[contentView layer] setBackgroundColor:[[NSColor clearColor] CGColor]];
+	[[contentView layer] setCornerRadius:cornerRadius];
+	[[contentView layer] setMasksToBounds:YES];
+
+	NSVisualEffectView *effectView = nil;
+	for (NSView *subview in [contentView subviews]) {
+		if ([subview isKindOfClass:[NSVisualEffectView class]]) {
+			effectView = (NSVisualEffectView *)subview;
+			break;
+		}
+	}
+
+	if (effectView == nil) {
+		effectView = [[NSVisualEffectView alloc] initWithFrame:[contentView bounds]];
+		[effectView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
+		[contentView addSubview:effectView positioned:NSWindowBelow relativeTo:nil];
+		[effectView release];
+	}
+
+	if (@available(macOS 10.14, *)) {
+		[effectView setMaterial:NSVisualEffectMaterialHUDWindow];
+	}
+	[effectView setBlendingMode:NSVisualEffectBlendingModeBehindWindow];
+	[effectView setState:NSVisualEffectStateActive];
+	// 默认 alpha=0（不可见），由前端根据用户外观设置动态启用
+	[effectView setAlphaValue:0.0];
+	[effectView setWantsLayer:YES];
+	[[effectView layer] setCornerRadius:cornerRadius];
+	[[effectView layer] setMasksToBounds:YES];
+}
+
+static void gonaviApplyWindowTranslucencyFix() {
+	// 启动时应用窗口透明度修复，减少重试次数以降低启动期 GPU 负载
+	for (int i = 0; i < 8; i++) {
+		dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(i * 250 * NSEC_PER_MSEC)), dispatch_get_main_queue(), ^{
+			for (NSWindow *window in [NSApp windows]) {
+				gonaviTuneWindowTranslucency(window);
+			}
+		});
+	}
+}
+
+// 动态设置 NSVisualEffectView 的透明度和窗口不透明标志。
+// alpha <= 0 时窗口标记为 opaque，GPU 不再持续计算窗口背后的模糊效果。
+static void gonaviSetEffectViewAlpha(double alpha) {
+	dispatch_async(dispatch_get_main_queue(), ^{
+		for (NSWindow *window in [NSApp windows]) {
+			NSView *contentView = [window contentView];
+			if (contentView == nil) {
+				continue;
+			}
+
+			for (NSView *subview in [contentView subviews]) {
+				if ([subview isKindOfClass:[NSVisualEffectView class]]) {
+					NSVisualEffectView *effectView = (NSVisualEffectView *)subview;
+					[effectView setAlphaValue:alpha];
+					break;
+				}
+			}
+
+			if (alpha <= 0.01) {
+				[window setOpaque:YES];
+			} else {
+				[window setOpaque:NO];
+				[window setBackgroundColor:[NSColor clearColor]];
+			}
+		}
+	});
+}
+*/
+import "C"
+
+func applyMacWindowTranslucencyFix() {
+	C.gonaviApplyWindowTranslucencyFix()
+}
+
+// setMacWindowTranslucency 根据用户外观设置动态调整 macOS 窗口透明度。
+// opacity=1.0 且 blur=0 时关闭 NSVisualEffectView（alpha=0），窗口标记为 opaque，
+// GPU 不再持续计算窗口背后的模糊合成，显著降低 CPU/GPU 温度。
+func setMacWindowTranslucency(opacity float64, blur float64) {
+	if opacity >= 0.999 && blur <= 0 {
+		C.gonaviSetEffectViewAlpha(C.double(0.0))
+	} else {
+		// 半透明模式：NSVisualEffectView alpha 根据透明度动态映射
+		alpha := (1.0 - opacity) * 1.2
+		if alpha < 0.3 {
+			alpha = 0.3
+		}
+		if alpha > 0.85 {
+			alpha = 0.85
+		}
+		C.gonaviSetEffectViewAlpha(C.double(alpha))
+	}
+}

internal/app/window_translucency_stub.go

@@ -0,0 +1,7 @@
+//go:build !darwin
+
+package app
+
+func applyMacWindowTranslucencyFix() {}
+
+func setMacWindowTranslucency(opacity float64, blur float64) {}

internal/connection/types.go

@@ -9,19 +9,44 @@ type SSHConfig struct {
 	KeyPath  string `json:"keyPath"`
 }
 
+// ProxyConfig holds proxy connection details
+type ProxyConfig struct {
+	Type     string `json:"type"` // socks5 | http
+	Host     string `json:"host"`
+	Port     int    `json:"port"`
+	User     string `json:"user,omitempty"`
+	Password string `json:"password,omitempty"`
+}
+
 // ConnectionConfig holds database connection details including SSH
 type ConnectionConfig struct {
-	Type     string    `json:"type"`
-	Host     string    `json:"host"`
-	Port     int       `json:"port"`
-	User     string    `json:"user"`
-	Password string    `json:"password"`
-	Database string    `json:"database"`
-	UseSSH   bool      `json:"useSSH"`
-	SSH      SSHConfig `json:"ssh"`
-	Driver   string    `json:"driver,omitempty"` // For custom connection
-	DSN      string    `json:"dsn,omitempty"`    // For custom connection
-	Timeout  int       `json:"timeout,omitempty"` // Connection timeout in seconds (default: 30)
+	Type                 string      `json:"type"`
+	Host                 string      `json:"host"`
+	Port                 int         `json:"port"`
+	User                 string      `json:"user"`
+	Password             string      `json:"password"`
+	SavePassword         bool        `json:"savePassword,omitempty"` // Persist password in saved connection
+	Database             string      `json:"database"`
+	UseSSH               bool        `json:"useSSH"`
+	SSH                  SSHConfig   `json:"ssh"`
+	UseProxy             bool        `json:"useProxy,omitempty"`
+	Proxy                ProxyConfig `json:"proxy,omitempty"`
+	Driver               string      `json:"driver,omitempty"`               // For custom connection
+	DSN                  string      `json:"dsn,omitempty"`                  // For custom connection
+	Timeout              int         `json:"timeout,omitempty"`              // Connection timeout in seconds (default: 30)
+	RedisDB              int         `json:"redisDB,omitempty"`              // Redis database index (0-15)
+	URI                  string      `json:"uri,omitempty"`                  // Connection URI for copy/paste
+	Hosts                []string    `json:"hosts,omitempty"`                // Multi-host addresses: host:port
+	Topology             string      `json:"topology,omitempty"`             // single | replica
+	MySQLReplicaUser     string      `json:"mysqlReplicaUser,omitempty"`     // MySQL replica auth user
+	MySQLReplicaPassword string      `json:"mysqlReplicaPassword,omitempty"` // MySQL replica auth password
+	ReplicaSet           string      `json:"replicaSet,omitempty"`           // MongoDB replica set name
+	AuthSource           string      `json:"authSource,omitempty"`           // MongoDB authSource
+	ReadPreference       string      `json:"readPreference,omitempty"`       // MongoDB readPreference
+	MongoSRV             bool        `json:"mongoSrv,omitempty"`             // MongoDB use mongodb+srv URI scheme
+	MongoAuthMechanism   string      `json:"mongoAuthMechanism,omitempty"`   // MongoDB authMechanism
+	MongoReplicaUser     string      `json:"mongoReplicaUser,omitempty"`     // MongoDB replica auth user
+	MongoReplicaPassword string      `json:"mongoReplicaPassword,omitempty"` // MongoDB replica auth password
 }
 
 // QueryResult is the standard response format for Wails methods
@@ -88,3 +113,12 @@ type ChangeSet struct {
 	Updates []UpdateRow              `json:"updates"`
 	Deletes []map[string]interface{} `json:"deletes"`
 }
+
+type MongoMemberInfo struct {
+	Host      string `json:"host"`
+	Role      string `json:"role"`
+	State     string `json:"state"`
+	StateCode int    `json:"stateCode,omitempty"`
+	Healthy   bool   `json:"healthy"`
+	IsSelf    bool   `json:"isSelf,omitempty"`
+}

internal/db/agent_process_stub.go

@@ -0,0 +1,9 @@
+//go:build !windows
+
+package db
+
+import "os/exec"
+
+func configureAgentProcess(cmd *exec.Cmd) {
+	_ = cmd
+}

internal/db/agent_process_windows.go

@@ -0,0 +1,20 @@
+//go:build windows
+
+package db
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+const windowsCreateNoWindow = 0x08000000
+
+func configureAgentProcess(cmd *exec.Cmd) {
+	if cmd == nil {
+		return
+	}
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		HideWindow:    true,
+		CreationFlags: windowsCreateNoWindow,
+	}
+}

internal/db/clickhouse_impl.go

@@ -0,0 +1,594 @@
+//go:build gonavi_full_drivers || gonavi_clickhouse_driver
+
+package db
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"net"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/ssh"
+	"GoNavi-Wails/internal/utils"
+
+	clickhouse "github.com/ClickHouse/clickhouse-go/v2"
+)
+
+const (
+	defaultClickHousePort     = 9000
+	defaultClickHouseUser     = "default"
+	defaultClickHouseDatabase = "default"
+)
+
+type ClickHouseDB struct {
+	conn        *sql.DB
+	pingTimeout time.Duration
+	forwarder   *ssh.LocalForwarder
+	database    string
+}
+
+func normalizeClickHouseConfig(config connection.ConnectionConfig) connection.ConnectionConfig {
+	normalized := applyClickHouseURI(config)
+	if strings.TrimSpace(normalized.Host) == "" {
+		normalized.Host = "localhost"
+	}
+	if normalized.Port <= 0 {
+		normalized.Port = defaultClickHousePort
+	}
+	if strings.TrimSpace(normalized.User) == "" {
+		normalized.User = defaultClickHouseUser
+	}
+	if strings.TrimSpace(normalized.Database) == "" {
+		normalized.Database = defaultClickHouseDatabase
+	}
+	return normalized
+}
+
+func applyClickHouseURI(config connection.ConnectionConfig) connection.ConnectionConfig {
+	uriText := strings.TrimSpace(config.URI)
+	if uriText == "" {
+		return config
+	}
+	lowerURI := strings.ToLower(uriText)
+	if !strings.HasPrefix(lowerURI, "clickhouse://") {
+		return config
+	}
+
+	parsed, err := url.Parse(uriText)
+	if err != nil {
+		return config
+	}
+
+	if parsed.User != nil {
+		if strings.TrimSpace(config.User) == "" {
+			config.User = parsed.User.Username()
+		}
+		if pass, ok := parsed.User.Password(); ok && config.Password == "" {
+			config.Password = pass
+		}
+	}
+
+	if dbName := strings.TrimPrefix(strings.TrimSpace(parsed.Path), "/"); dbName != "" && strings.TrimSpace(config.Database) == "" {
+		config.Database = dbName
+	}
+	if strings.TrimSpace(config.Database) == "" {
+		if dbName := strings.TrimSpace(parsed.Query().Get("database")); dbName != "" {
+			config.Database = dbName
+		}
+	}
+
+	defaultPort := config.Port
+	if defaultPort <= 0 {
+		defaultPort = defaultClickHousePort
+	}
+	if strings.TrimSpace(config.Host) == "" {
+		host, port, ok := parseHostPortWithDefault(parsed.Host, defaultPort)
+		if ok {
+			config.Host = host
+			config.Port = port
+		}
+	}
+	if config.Port <= 0 {
+		config.Port = defaultPort
+	}
+	return config
+}
+
+func (c *ClickHouseDB) buildClickHouseOptions(config connection.ConnectionConfig) *clickhouse.Options {
+	timeout := getConnectTimeout(config)
+	return &clickhouse.Options{
+		Addr: []string{
+			net.JoinHostPort(config.Host, strconv.Itoa(config.Port)),
+		},
+		Auth: clickhouse.Auth{
+			Database: strings.TrimSpace(config.Database),
+			Username: strings.TrimSpace(config.User),
+			Password: config.Password,
+		},
+		DialTimeout: timeout,
+		ReadTimeout: timeout,
+	}
+}
+
+func (c *ClickHouseDB) Connect(config connection.ConnectionConfig) error {
+	if supported, reason := DriverRuntimeSupportStatus("clickhouse"); !supported {
+		if strings.TrimSpace(reason) == "" {
+			reason = "ClickHouse 纯 Go 驱动未启用，请先在驱动管理中安装启用"
+		}
+		return fmt.Errorf("%s", reason)
+	}
+
+	if c.forwarder != nil {
+		_ = c.forwarder.Close()
+		c.forwarder = nil
+	}
+	if c.conn != nil {
+		_ = c.conn.Close()
+		c.conn = nil
+	}
+
+	runConfig := normalizeClickHouseConfig(config)
+	c.pingTimeout = getConnectTimeout(runConfig)
+	c.database = runConfig.Database
+
+	if runConfig.UseSSH {
+		logger.Infof("ClickHouse 使用 SSH 连接：地址=%s:%d 用户=%s", runConfig.Host, runConfig.Port, runConfig.User)
+		forwarder, err := ssh.GetOrCreateLocalForwarder(runConfig.SSH, runConfig.Host, runConfig.Port)
+		if err != nil {
+			return fmt.Errorf("创建 SSH 隧道失败：%w", err)
+		}
+		c.forwarder = forwarder
+
+		host, portText, err := net.SplitHostPort(forwarder.LocalAddr)
+		if err != nil {
+			return fmt.Errorf("解析本地转发地址失败：%w", err)
+		}
+		port, err := strconv.Atoi(portText)
+		if err != nil {
+			return fmt.Errorf("解析本地端口失败：%w", err)
+		}
+
+		runConfig.Host = host
+		runConfig.Port = port
+		runConfig.UseSSH = false
+		logger.Infof("ClickHouse 通过本地端口转发连接：%s -> %s:%d", forwarder.LocalAddr, config.Host, config.Port)
+	}
+
+	c.conn = clickhouse.OpenDB(c.buildClickHouseOptions(runConfig))
+
+	if err := c.Ping(); err != nil {
+		_ = c.Close()
+		return fmt.Errorf("连接建立后验证失败：%w", err)
+	}
+	return nil
+}
+
+func (c *ClickHouseDB) Close() error {
+	if c.forwarder != nil {
+		if err := c.forwarder.Close(); err != nil {
+			logger.Warnf("关闭 ClickHouse SSH 端口转发失败：%v", err)
+		}
+		c.forwarder = nil
+	}
+	if c.conn != nil {
+		return c.conn.Close()
+	}
+	return nil
+}
+
+func (c *ClickHouseDB) Ping() error {
+	if c.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+	timeout := c.pingTimeout
+	if timeout <= 0 {
+		timeout = 5 * time.Second
+	}
+	ctx, cancel := utils.ContextWithTimeout(timeout)
+	defer cancel()
+	return c.conn.PingContext(ctx)
+}
+
+func (c *ClickHouseDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	if c.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+	rows, err := c.conn.QueryContext(ctx, query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (c *ClickHouseDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	if c.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+	rows, err := c.conn.Query(query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (c *ClickHouseDB) ExecContext(ctx context.Context, query string) (int64, error) {
+	if c.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := c.conn.ExecContext(ctx, query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (c *ClickHouseDB) Exec(query string) (int64, error) {
+	if c.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := c.conn.Exec(query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (c *ClickHouseDB) GetDatabases() ([]string, error) {
+	data, _, err := c.Query("SELECT name FROM system.databases ORDER BY name")
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]string, 0, len(data))
+	for _, row := range data {
+		if val, ok := getClickHouseValueFromRow(row, "name", "database"); ok {
+			result = append(result, fmt.Sprintf("%v", val))
+			continue
+		}
+		for _, value := range row {
+			result = append(result, fmt.Sprintf("%v", value))
+			break
+		}
+	}
+	return result, nil
+}
+
+func (c *ClickHouseDB) GetTables(dbName string) ([]string, error) {
+	targetDB := strings.TrimSpace(dbName)
+	if targetDB == "" {
+		targetDB = strings.TrimSpace(c.database)
+	}
+
+	var query string
+	if targetDB != "" {
+		query = fmt.Sprintf(
+			"SELECT name FROM system.tables WHERE database = '%s' ORDER BY name",
+			escapeClickHouseSQLLiteral(targetDB),
+		)
+	} else {
+		query = "SELECT database, name FROM system.tables ORDER BY database, name"
+	}
+
+	data, _, err := c.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]string, 0, len(data))
+	for _, row := range data {
+		if targetDB != "" {
+			if val, ok := getClickHouseValueFromRow(row, "name", "table", "table_name"); ok {
+				result = append(result, fmt.Sprintf("%v", val))
+				continue
+			}
+		} else {
+			databaseValue, hasDB := getClickHouseValueFromRow(row, "database", "schema_name")
+			tableValue, hasTable := getClickHouseValueFromRow(row, "name", "table", "table_name")
+			if hasDB && hasTable {
+				result = append(result, fmt.Sprintf("%v.%v", databaseValue, tableValue))
+				continue
+			}
+		}
+		for _, value := range row {
+			result = append(result, fmt.Sprintf("%v", value))
+			break
+		}
+	}
+	return result, nil
+}
+
+func (c *ClickHouseDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	database, table, err := c.resolveDatabaseAndTable(dbName, tableName)
+	if err != nil {
+		return "", err
+	}
+
+	query := fmt.Sprintf("SHOW CREATE TABLE %s.%s", quoteClickHouseIdentifier(database), quoteClickHouseIdentifier(table))
+	data, _, err := c.Query(query)
+	if err != nil {
+		return "", err
+	}
+	if len(data) == 0 {
+		return "", fmt.Errorf("create statement not found")
+	}
+	row := data[0]
+	if val, ok := getClickHouseValueFromRow(row, "statement", "create_statement", "sql", "query"); ok {
+		text := strings.TrimSpace(fmt.Sprintf("%v", val))
+		if text != "" {
+			return text, nil
+		}
+	}
+
+	longest := ""
+	for _, value := range row {
+		text := strings.TrimSpace(fmt.Sprintf("%v", value))
+		if text == "" {
+			continue
+		}
+		if strings.Contains(strings.ToUpper(text), "CREATE ") && len(text) > len(longest) {
+			longest = text
+		}
+	}
+	if longest != "" {
+		return longest, nil
+	}
+	return "", fmt.Errorf("create statement not found")
+}
+
+func (c *ClickHouseDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	database, table, err := c.resolveDatabaseAndTable(dbName, tableName)
+	if err != nil {
+		return nil, err
+	}
+
+	query := fmt.Sprintf(`
+SELECT
+    name,
+    type,
+    default_kind,
+    default_expression,
+    is_in_primary_key,
+    is_in_sorting_key,
+    comment
+FROM system.columns
+WHERE database = '%s' AND table = '%s'
+ORDER BY position`,
+		escapeClickHouseSQLLiteral(database),
+		escapeClickHouseSQLLiteral(table),
+	)
+	data, _, err := c.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	columns := make([]connection.ColumnDefinition, 0, len(data))
+	for _, row := range data {
+		nameValue, _ := getClickHouseValueFromRow(row, "name", "column_name")
+		typeValue, _ := getClickHouseValueFromRow(row, "type", "data_type")
+		defaultKind, _ := getClickHouseValueFromRow(row, "default_kind")
+		defaultExpr, hasDefault := getClickHouseValueFromRow(row, "default_expression", "column_default")
+		commentValue, _ := getClickHouseValueFromRow(row, "comment")
+		inPrimary, _ := getClickHouseValueFromRow(row, "is_in_primary_key")
+		inSorting, _ := getClickHouseValueFromRow(row, "is_in_sorting_key")
+
+		colType := strings.TrimSpace(fmt.Sprintf("%v", typeValue))
+		nullable := "NO"
+		if strings.HasPrefix(strings.ToLower(colType), "nullable(") {
+			nullable = "YES"
+		}
+
+		key := ""
+		if isClickHouseTruthy(inPrimary) {
+			key = "PRI"
+		} else if isClickHouseTruthy(inSorting) {
+			key = "MUL"
+		}
+
+		extra := ""
+		kindText := strings.ToUpper(strings.TrimSpace(fmt.Sprintf("%v", defaultKind)))
+		if kindText != "" && kindText != "DEFAULT" {
+			extra = kindText
+		}
+
+		col := connection.ColumnDefinition{
+			Name:     strings.TrimSpace(fmt.Sprintf("%v", nameValue)),
+			Type:     colType,
+			Nullable: nullable,
+			Key:      key,
+			Extra:    extra,
+			Comment:  strings.TrimSpace(fmt.Sprintf("%v", commentValue)),
+		}
+		if hasDefault && defaultExpr != nil {
+			text := strings.TrimSpace(fmt.Sprintf("%v", defaultExpr))
+			if text != "" {
+				col.Default = &text
+			}
+		}
+		columns = append(columns, col)
+	}
+	return columns, nil
+}
+
+func (c *ClickHouseDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	targetDB := strings.TrimSpace(dbName)
+	if targetDB == "" {
+		targetDB = strings.TrimSpace(c.database)
+	}
+
+	var query string
+	if targetDB != "" {
+		query = fmt.Sprintf(`
+SELECT
+    database,
+    table,
+    name,
+    type
+FROM system.columns
+WHERE database = '%s'
+ORDER BY table, position`,
+			escapeClickHouseSQLLiteral(targetDB),
+		)
+	} else {
+		query = `
+SELECT
+    database,
+    table,
+    name,
+    type
+FROM system.columns
+WHERE database NOT IN ('system', 'information_schema', 'INFORMATION_SCHEMA')
+ORDER BY database, table, position`
+	}
+
+	data, _, err := c.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]connection.ColumnDefinitionWithTable, 0, len(data))
+	for _, row := range data {
+		databaseValue, _ := getClickHouseValueFromRow(row, "database")
+		tableValue, hasTable := getClickHouseValueFromRow(row, "table", "table_name")
+		nameValue, hasName := getClickHouseValueFromRow(row, "name", "column_name")
+		typeValue, _ := getClickHouseValueFromRow(row, "type", "data_type")
+		if !hasTable || !hasName {
+			continue
+		}
+
+		tableName := strings.TrimSpace(fmt.Sprintf("%v", tableValue))
+		if targetDB == "" {
+			dbText := strings.TrimSpace(fmt.Sprintf("%v", databaseValue))
+			if dbText != "" {
+				tableName = dbText + "." + tableName
+			}
+		}
+
+		result = append(result, connection.ColumnDefinitionWithTable{
+			TableName: tableName,
+			Name:      strings.TrimSpace(fmt.Sprintf("%v", nameValue)),
+			Type:      strings.TrimSpace(fmt.Sprintf("%v", typeValue)),
+		})
+	}
+	return result, nil
+}
+
+func (c *ClickHouseDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return []connection.IndexDefinition{}, nil
+}
+
+func (c *ClickHouseDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return []connection.ForeignKeyDefinition{}, nil
+}
+
+func (c *ClickHouseDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return []connection.TriggerDefinition{}, nil
+}
+
+func (c *ClickHouseDB) resolveDatabaseAndTable(dbName, tableName string) (string, string, error) {
+	rawTable := strings.TrimSpace(tableName)
+	if rawTable == "" {
+		return "", "", fmt.Errorf("table name required")
+	}
+
+	resolvedDB := strings.TrimSpace(dbName)
+	resolvedTable := rawTable
+	if parts := strings.SplitN(rawTable, ".", 2); len(parts) == 2 {
+		if dbPart := normalizeClickHouseIdentifierPart(parts[0]); dbPart != "" {
+			resolvedDB = dbPart
+		}
+		resolvedTable = normalizeClickHouseIdentifierPart(parts[1])
+	} else {
+		resolvedTable = normalizeClickHouseIdentifierPart(rawTable)
+	}
+
+	if resolvedDB == "" {
+		resolvedDB = strings.TrimSpace(c.database)
+	}
+	if resolvedDB == "" {
+		resolvedDB = defaultClickHouseDatabase
+	}
+	if resolvedTable == "" {
+		return "", "", fmt.Errorf("table name required")
+	}
+	return resolvedDB, resolvedTable, nil
+}
+
+func normalizeClickHouseIdentifierPart(raw string) string {
+	text := strings.TrimSpace(raw)
+	if len(text) >= 2 {
+		first := text[0]
+		last := text[len(text)-1]
+		if (first == '`' && last == '`') || (first == '"' && last == '"') {
+			text = text[1 : len(text)-1]
+		}
+	}
+	return strings.TrimSpace(text)
+}
+
+func quoteClickHouseIdentifier(raw string) string {
+	return "`" + strings.ReplaceAll(strings.TrimSpace(raw), "`", "``") + "`"
+}
+
+func escapeClickHouseSQLLiteral(raw string) string {
+	return strings.ReplaceAll(strings.TrimSpace(raw), "'", "''")
+}
+
+func getClickHouseValueFromRow(row map[string]interface{}, keys ...string) (interface{}, bool) {
+	if len(row) == 0 {
+		return nil, false
+	}
+	for _, key := range keys {
+		if value, ok := row[key]; ok {
+			return value, true
+		}
+	}
+	for existingKey, value := range row {
+		for _, key := range keys {
+			if strings.EqualFold(existingKey, key) {
+				return value, true
+			}
+		}
+	}
+	return nil, false
+}
+
+func isClickHouseTruthy(value interface{}) bool {
+	switch val := value.(type) {
+	case bool:
+		return val
+	case int:
+		return val != 0
+	case int8:
+		return val != 0
+	case int16:
+		return val != 0
+	case int32:
+		return val != 0
+	case int64:
+		return val != 0
+	case uint:
+		return val != 0
+	case uint8:
+		return val != 0
+	case uint16:
+		return val != 0
+	case uint32:
+		return val != 0
+	case uint64:
+		return val != 0
+	case string:
+		normalized := strings.ToLower(strings.TrimSpace(val))
+		return normalized == "1" || normalized == "true" || normalized == "yes" || normalized == "y"
+	default:
+		normalized := strings.ToLower(strings.TrimSpace(fmt.Sprintf("%v", value)))
+		return normalized == "1" || normalized == "true" || normalized == "yes" || normalized == "y"
+	}
+}

internal/db/custom_impl.go

@@ -248,7 +248,141 @@ func (c *CustomDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDe
 }
 
 func (c *CustomDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
-	return fmt.Errorf("read-only mode for custom")
+	if c.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+
+	tx, err := c.conn.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	driver := strings.ToLower(strings.TrimSpace(c.driver))
+	isMySQL := strings.Contains(driver, "mysql")
+	isPostgres := strings.Contains(driver, "postgres") || strings.Contains(driver, "kingbase") || strings.Contains(driver, "pg")
+	isOracle := strings.Contains(driver, "oracle") || strings.Contains(driver, "ora") || strings.Contains(driver, "dm") || strings.Contains(driver, "dameng")
+
+	quoteIdent := func(name string) string {
+		n := strings.TrimSpace(name)
+		if isMySQL {
+			n = strings.Trim(n, "`")
+			n = strings.ReplaceAll(n, "`", "``")
+			if n == "" {
+				return "``"
+			}
+			return "`" + n + "`"
+		}
+		n = strings.Trim(n, "\"")
+		n = strings.ReplaceAll(n, "\"", "\"\"")
+		if n == "" {
+			return "\"\""
+		}
+		return `"` + n + `"`
+	}
+
+	placeholder := func(idx int) string {
+		if isPostgres {
+			return fmt.Sprintf("$%d", idx)
+		}
+		if isOracle {
+			return fmt.Sprintf(":%d", idx)
+		}
+		// MySQL / SQLite / default
+		return "?"
+	}
+
+	schema := ""
+	table := strings.TrimSpace(tableName)
+	if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
+		schema = strings.TrimSpace(parts[0])
+		table = strings.TrimSpace(parts[1])
+	}
+
+	qualifiedTable := ""
+	if schema != "" {
+		qualifiedTable = fmt.Sprintf("%s.%s", quoteIdent(schema), quoteIdent(table))
+	} else {
+		qualifiedTable = quoteIdent(table)
+	}
+
+	// 1. Deletes
+	for _, pk := range changes.Deletes {
+		var wheres []string
+		var args []interface{}
+		idx := 0
+		for k, v := range pk {
+			idx++
+			wheres = append(wheres, fmt.Sprintf("%s = %s", quoteIdent(k), placeholder(idx)))
+			args = append(args, v)
+		}
+		if len(wheres) == 0 {
+			continue
+		}
+		query := fmt.Sprintf("DELETE FROM %s WHERE %s", qualifiedTable, strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("delete error: %v", err)
+		}
+	}
+
+	// 2. Updates
+	for _, update := range changes.Updates {
+		var sets []string
+		var args []interface{}
+		idx := 0
+
+		for k, v := range update.Values {
+			idx++
+			sets = append(sets, fmt.Sprintf("%s = %s", quoteIdent(k), placeholder(idx)))
+			args = append(args, v)
+		}
+
+		if len(sets) == 0 {
+			continue
+		}
+
+		var wheres []string
+		for k, v := range update.Keys {
+			idx++
+			wheres = append(wheres, fmt.Sprintf("%s = %s", quoteIdent(k), placeholder(idx)))
+			args = append(args, v)
+		}
+
+		if len(wheres) == 0 {
+			return fmt.Errorf("update requires keys")
+		}
+
+		query := fmt.Sprintf("UPDATE %s SET %s WHERE %s", qualifiedTable, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("update error: %v", err)
+		}
+	}
+
+	// 3. Inserts
+	for _, row := range changes.Inserts {
+		var cols []string
+		var placeholders []string
+		var args []interface{}
+		idx := 0
+
+		for k, v := range row {
+			idx++
+			cols = append(cols, quoteIdent(k))
+			placeholders = append(placeholders, placeholder(idx))
+			args = append(args, v)
+		}
+
+		if len(cols) == 0 {
+			continue
+		}
+
+		query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s)", qualifiedTable, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("insert error: %v", err)
+		}
+	}
+
+	return tx.Commit()
 }
 
 func (c *CustomDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {

internal/db/dameng_impl.go

@@ -1,3 +1,5 @@
+//go:build gonavi_full_drivers || gonavi_dameng_driver
+
 package db
 
 import (
@@ -373,7 +375,117 @@ func (d *DamengDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDe
 }
 
 func (d *DamengDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
-	return fmt.Errorf("read-only mode implemented for Dameng so far")
+	if d.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+
+	tx, err := d.conn.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	quoteIdent := func(name string) string {
+		n := strings.TrimSpace(name)
+		n = strings.Trim(n, "\"")
+		n = strings.ReplaceAll(n, "\"", "\"\"")
+		if n == "" {
+			return "\"\""
+		}
+		return `"` + n + `"`
+	}
+
+	schema := ""
+	table := strings.TrimSpace(tableName)
+	if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
+		schema = strings.TrimSpace(parts[0])
+		table = strings.TrimSpace(parts[1])
+	}
+
+	qualifiedTable := ""
+	if schema != "" {
+		qualifiedTable = fmt.Sprintf("%s.%s", quoteIdent(schema), quoteIdent(table))
+	} else {
+		qualifiedTable = quoteIdent(table)
+	}
+
+	// 1. Deletes
+	for _, pk := range changes.Deletes {
+		var wheres []string
+		var args []interface{}
+		idx := 0
+		for k, v := range pk {
+			idx++
+			wheres = append(wheres, fmt.Sprintf("%s = :%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+		if len(wheres) == 0 {
+			continue
+		}
+		query := fmt.Sprintf("DELETE FROM %s WHERE %s", qualifiedTable, strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("delete error: %v", err)
+		}
+	}
+
+	// 2. Updates
+	for _, update := range changes.Updates {
+		var sets []string
+		var args []interface{}
+		idx := 0
+
+		for k, v := range update.Values {
+			idx++
+			sets = append(sets, fmt.Sprintf("%s = :%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+
+		if len(sets) == 0 {
+			continue
+		}
+
+		var wheres []string
+		for k, v := range update.Keys {
+			idx++
+			wheres = append(wheres, fmt.Sprintf("%s = :%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+
+		if len(wheres) == 0 {
+			return fmt.Errorf("update requires keys")
+		}
+
+		query := fmt.Sprintf("UPDATE %s SET %s WHERE %s", qualifiedTable, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("update error: %v", err)
+		}
+	}
+
+	// 3. Inserts
+	for _, row := range changes.Inserts {
+		var cols []string
+		var placeholders []string
+		var args []interface{}
+		idx := 0
+
+		for k, v := range row {
+			idx++
+			cols = append(cols, quoteIdent(k))
+			placeholders = append(placeholders, fmt.Sprintf(":%d", idx))
+			args = append(args, v)
+		}
+
+		if len(cols) == 0 {
+			continue
+		}
+
+		query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s)", qualifiedTable, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("insert error: %v", err)
+		}
+	}
+
+	return tx.Commit()
 }
 
 func (d *DamengDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {

internal/db/database.go

@@ -3,6 +3,7 @@ package db
 import (
 	"GoNavi-Wails/internal/connection"
 	"fmt"
+	"strings"
 )
 
 type Database interface {
@@ -25,28 +26,61 @@ type BatchApplier interface {
 	ApplyChanges(tableName string, changes connection.ChangeSet) error
 }
 
-// Factory
-func NewDatabase(dbType string) (Database, error) {
-	switch dbType {
-	case "mysql":
-		return &MySQLDB{}, nil
-	case "postgres":
-		return &PostgresDB{}, nil
-	case "sqlite":
-		return &SQLiteDB{}, nil
-	case "oracle":
-		return &OracleDB{}, nil
-	case "dameng":
-		return &DamengDB{}, nil
-	case "kingbase":
-		return &KingbaseDB{}, nil
-	case "custom":
-		return &CustomDB{}, nil
-	default:
-		// Default to MySQL for backward compatibility if empty
-		if dbType == "" {
-			return &MySQLDB{}, nil
+type databaseFactory func() Database
+
+var databaseFactories = map[string]databaseFactory{
+	"mysql": func() Database {
+		return &MySQLDB{}
+	},
+	"postgres": func() Database {
+		return &PostgresDB{}
+	},
+	"oracle": func() Database {
+		return &OracleDB{}
+	},
+	"custom": func() Database {
+		return &CustomDB{}
+	},
+}
+
+func init() {
+	registerOptionalDatabaseFactories()
+}
+
+func registerDatabaseFactory(factory databaseFactory, dbTypes ...string) {
+	if factory == nil || len(dbTypes) == 0 {
+		return
+	}
+	for _, dbType := range dbTypes {
+		normalized := normalizeDatabaseType(dbType)
+		if normalized == "" {
+			continue
 		}
-		return nil, fmt.Errorf("unsupported database type: %s", dbType)
+		databaseFactories[normalized] = factory
 	}
 }
+
+func normalizeDatabaseType(dbType string) string {
+	normalized := strings.ToLower(strings.TrimSpace(dbType))
+	switch normalized {
+	case "doris":
+		return "diros"
+	case "postgresql":
+		return "postgres"
+	default:
+		return normalized
+	}
+}
+
+// Factory
+func NewDatabase(dbType string) (Database, error) {
+	normalized := normalizeDatabaseType(dbType)
+	if normalized == "" {
+		normalized = "mysql"
+	}
+	factory, ok := databaseFactories[normalized]
+	if !ok {
+		return nil, fmt.Errorf("unsupported database type: %s", dbType)
+	}
+	return factory(), nil
+}

internal/db/database_optional_factories_full.go

@@ -0,0 +1,19 @@
+//go:build gonavi_full_drivers
+
+package db
+
+func registerOptionalDatabaseFactories() {
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("mariadb"), "mariadb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("diros"), "diros", "doris")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sphinx"), "sphinx")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sqlserver"), "sqlserver")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sqlite"), "sqlite")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("duckdb"), "duckdb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("dameng"), "dameng")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("kingbase"), "kingbase")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("highgo"), "highgo")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("vastbase"), "vastbase")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("mongodb"), "mongodb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("tdengine"), "tdengine")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("clickhouse"), "clickhouse")
+}

internal/db/database_optional_factories_lite.go

@@ -0,0 +1,19 @@
+//go:build !gonavi_full_drivers
+
+package db
+
+func registerOptionalDatabaseFactories() {
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("mariadb"), "mariadb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("diros"), "diros", "doris")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sphinx"), "sphinx")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sqlserver"), "sqlserver")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("sqlite"), "sqlite")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("duckdb"), "duckdb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("dameng"), "dameng")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("kingbase"), "kingbase")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("highgo"), "highgo")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("vastbase"), "vastbase")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("mongodb"), "mongodb")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("tdengine"), "tdengine")
+	registerDatabaseFactory(newOptionalDriverAgentDatabase("clickhouse"), "clickhouse")
+}

internal/db/diros_impl.go

@@ -0,0 +1,220 @@
+//go:build gonavi_full_drivers || gonavi_diros_driver
+
+package db
+
+import (
+	"database/sql"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/ssh"
+	"GoNavi-Wails/internal/utils"
+
+	mysqlDriver "github.com/go-sql-driver/mysql"
+)
+
+const (
+	dirosDriverName  = "diros"
+	defaultDirosPort = 9030
+)
+
+// DirosDB 使用独立 driver 名称（diros）接入，底层协议兼容 MySQL（对外显示为 Doris）。
+type DirosDB struct {
+	MySQLDB
+}
+
+func init() {
+	for _, name := range sql.Drivers() {
+		if name == dirosDriverName {
+			return
+		}
+	}
+	sql.Register(dirosDriverName, &mysqlDriver.MySQLDriver{})
+}
+
+func applyDirosURI(config connection.ConnectionConfig) connection.ConnectionConfig {
+	uriText := strings.TrimSpace(config.URI)
+	if uriText == "" {
+		return config
+	}
+
+	lowerURI := strings.ToLower(uriText)
+	if !strings.HasPrefix(lowerURI, "diros://") &&
+		!strings.HasPrefix(lowerURI, "doris://") &&
+		!strings.HasPrefix(lowerURI, "mysql://") {
+		return config
+	}
+
+	parsed, err := url.Parse(uriText)
+	if err != nil {
+		return config
+	}
+
+	if parsed.User != nil {
+		if config.User == "" {
+			config.User = parsed.User.Username()
+		}
+		if pass, ok := parsed.User.Password(); ok && config.Password == "" {
+			config.Password = pass
+		}
+	}
+
+	if dbName := strings.TrimPrefix(parsed.Path, "/"); dbName != "" && config.Database == "" {
+		config.Database = dbName
+	}
+
+	defaultPort := config.Port
+	if defaultPort <= 0 {
+		defaultPort = defaultDirosPort
+	}
+
+	hostsFromURI := make([]string, 0, 4)
+	hostText := strings.TrimSpace(parsed.Host)
+	if hostText != "" {
+		for _, entry := range strings.Split(hostText, ",") {
+			host, port, ok := parseHostPortWithDefault(entry, defaultPort)
+			if !ok {
+				continue
+			}
+			hostsFromURI = append(hostsFromURI, normalizeMySQLAddress(host, port))
+		}
+	}
+
+	if len(config.Hosts) == 0 && len(hostsFromURI) > 0 {
+		config.Hosts = hostsFromURI
+	}
+	if strings.TrimSpace(config.Host) == "" && len(hostsFromURI) > 0 {
+		host, port, ok := parseHostPortWithDefault(hostsFromURI[0], defaultPort)
+		if ok {
+			config.Host = host
+			config.Port = port
+		}
+	}
+
+	if config.Topology == "" {
+		topology := strings.TrimSpace(parsed.Query().Get("topology"))
+		if topology != "" {
+			config.Topology = strings.ToLower(topology)
+		}
+	}
+
+	return config
+}
+
+func collectDirosAddresses(config connection.ConnectionConfig) []string {
+	defaultPort := config.Port
+	if defaultPort <= 0 {
+		defaultPort = defaultDirosPort
+	}
+
+	candidates := make([]string, 0, len(config.Hosts)+1)
+	if len(config.Hosts) > 0 {
+		candidates = append(candidates, config.Hosts...)
+	} else {
+		candidates = append(candidates, normalizeMySQLAddress(config.Host, defaultPort))
+	}
+
+	result := make([]string, 0, len(candidates))
+	seen := make(map[string]struct{}, len(candidates))
+	for _, entry := range candidates {
+		host, port, ok := parseHostPortWithDefault(entry, defaultPort)
+		if !ok {
+			continue
+		}
+		normalized := normalizeMySQLAddress(host, port)
+		if _, exists := seen[normalized]; exists {
+			continue
+		}
+		seen[normalized] = struct{}{}
+		result = append(result, normalized)
+	}
+
+	return result
+}
+
+func (d *DirosDB) getDSN(config connection.ConnectionConfig) string {
+	database := config.Database
+	protocol := "tcp"
+	address := normalizeMySQLAddress(config.Host, config.Port)
+
+	if config.UseSSH {
+		netName, err := ssh.RegisterSSHNetwork(config.SSH)
+		if err == nil {
+			protocol = netName
+			address = normalizeMySQLAddress(config.Host, config.Port)
+		} else {
+			logger.Warnf("注册 Doris SSH 网络失败，将尝试直连：地址=%s:%d 用户=%s，原因：%v", config.Host, config.Port, config.User, err)
+		}
+	}
+
+	timeout := getConnectTimeoutSeconds(config)
+
+	return fmt.Sprintf("%s:%s@%s(%s)/%s?charset=utf8mb4&parseTime=True&loc=Local&timeout=%ds",
+		config.User, config.Password, protocol, address, database, timeout)
+}
+
+func resolveDirosCredential(config connection.ConnectionConfig, addressIndex int) (string, string) {
+	primaryUser := strings.TrimSpace(config.User)
+	primaryPassword := config.Password
+	replicaUser := strings.TrimSpace(config.MySQLReplicaUser)
+	replicaPassword := config.MySQLReplicaPassword
+
+	if addressIndex > 0 && replicaUser != "" {
+		return replicaUser, replicaPassword
+	}
+
+	if primaryUser == "" && replicaUser != "" {
+		return replicaUser, replicaPassword
+	}
+
+	return config.User, primaryPassword
+}
+
+func (d *DirosDB) Connect(config connection.ConnectionConfig) error {
+	runConfig := applyDirosURI(config)
+	addresses := collectDirosAddresses(runConfig)
+	if len(addresses) == 0 {
+		return fmt.Errorf("连接建立后验证失败：未找到可用的 Doris 地址")
+	}
+
+	var errorDetails []string
+	for index, address := range addresses {
+		candidateConfig := runConfig
+		host, port, ok := parseHostPortWithDefault(address, defaultDirosPort)
+		if !ok {
+			continue
+		}
+		candidateConfig.Host = host
+		candidateConfig.Port = port
+		candidateConfig.User, candidateConfig.Password = resolveDirosCredential(runConfig, index)
+
+		dsn := d.getDSN(candidateConfig)
+		db, err := sql.Open(dirosDriverName, dsn)
+		if err != nil {
+			errorDetails = append(errorDetails, fmt.Sprintf("%s 打开失败: %v", address, err))
+			continue
+		}
+
+		timeout := getConnectTimeout(candidateConfig)
+		ctx, cancel := utils.ContextWithTimeout(timeout)
+		pingErr := db.PingContext(ctx)
+		cancel()
+		if pingErr != nil {
+			_ = db.Close()
+			errorDetails = append(errorDetails, fmt.Sprintf("%s 验证失败: %v", address, pingErr))
+			continue
+		}
+
+		d.conn = db
+		d.pingTimeout = timeout
+		return nil
+	}
+
+	if len(errorDetails) == 0 {
+		return fmt.Errorf("连接建立后验证失败：未找到可用的 Doris 地址")
+	}
+	return fmt.Errorf("连接建立后验证失败：%s", strings.Join(errorDetails, "；"))
+}

internal/db/driver_support.go

@@ -0,0 +1,225 @@
+package db
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+)
+
+var coreBuiltinDrivers = map[string]struct{}{
+	"mysql":    {},
+	"redis":    {},
+	"oracle":   {},
+	"postgres": {},
+}
+
+// optionalGoDrivers 表示需要用户“安装启用”后才能使用的纯 Go 驱动。
+// 注意：这是一种运行时门控（installed.json 标记），并不减少主二进制体积。
+var optionalGoDrivers = map[string]struct{}{
+	"mariadb":    {},
+	"diros":      {},
+	"sphinx":     {},
+	"sqlserver":  {},
+	"sqlite":     {},
+	"duckdb":     {},
+	"dameng":     {},
+	"kingbase":   {},
+	"highgo":     {},
+	"vastbase":   {},
+	"mongodb":    {},
+	"tdengine":   {},
+	"clickhouse": {},
+}
+
+var (
+	externalDriverDirMu sync.RWMutex
+	externalDriverDir   string
+)
+
+func normalizeRuntimeDriverType(driverType string) string {
+	normalized := strings.ToLower(strings.TrimSpace(driverType))
+	switch normalized {
+	case "doris":
+		return "diros"
+	case "postgresql":
+		return "postgres"
+	default:
+		return normalized
+	}
+}
+
+func driverDisplayName(driverType string) string {
+	switch normalizeRuntimeDriverType(driverType) {
+	case "mysql":
+		return "MySQL"
+	case "oracle":
+		return "Oracle"
+	case "redis":
+		return "Redis"
+	case "mariadb":
+		return "MariaDB"
+	case "diros":
+		return "Doris"
+	case "sphinx":
+		return "Sphinx"
+	case "postgres":
+		return "PostgreSQL"
+	case "sqlserver":
+		return "SQL Server"
+	case "sqlite":
+		return "SQLite"
+	case "duckdb":
+		return "DuckDB"
+	case "dameng":
+		return "Dameng"
+	case "kingbase":
+		return "Kingbase"
+	case "highgo":
+		return "HighGo"
+	case "vastbase":
+		return "Vastbase"
+	case "mongodb":
+		return "MongoDB"
+	case "tdengine":
+		return "TDengine"
+	case "clickhouse":
+		return "ClickHouse"
+	default:
+		return strings.ToUpper(strings.TrimSpace(driverType))
+	}
+}
+
+func IsOptionalGoDriver(driverType string) bool {
+	_, ok := optionalGoDrivers[normalizeRuntimeDriverType(driverType)]
+	return ok
+}
+
+func IsOptionalGoDriverBuildIncluded(driverType string) bool {
+	return optionalGoDriverBuildIncluded(normalizeRuntimeDriverType(driverType))
+}
+
+func IsBuiltinDriver(driverType string) bool {
+	_, ok := coreBuiltinDrivers[normalizeRuntimeDriverType(driverType)]
+	return ok
+}
+
+func defaultExternalDriverDownloadDirectory() string {
+	if home, err := os.UserHomeDir(); err == nil && strings.TrimSpace(home) != "" {
+		return filepath.Join(home, ".gonavi", "drivers")
+	}
+	if wd, err := os.Getwd(); err == nil && strings.TrimSpace(wd) != "" {
+		return filepath.Join(wd, ".gonavi-drivers")
+	}
+	return ".gonavi-drivers"
+}
+
+func resolveExternalDriverRoot(downloadDir string) (string, error) {
+	root := strings.TrimSpace(downloadDir)
+	if root == "" {
+		root = currentExternalDriverDownloadDirectory()
+	}
+	if root == "" {
+		root = defaultExternalDriverDownloadDirectory()
+	}
+	if !filepath.IsAbs(root) {
+		abs, err := filepath.Abs(root)
+		if err != nil {
+			return "", err
+		}
+		root = abs
+	}
+	if err := os.MkdirAll(root, 0o755); err != nil {
+		return "", fmt.Errorf("创建驱动目录失败：%w", err)
+	}
+	return root, nil
+}
+
+func currentExternalDriverDownloadDirectory() string {
+	externalDriverDirMu.RLock()
+	current := strings.TrimSpace(externalDriverDir)
+	externalDriverDirMu.RUnlock()
+	if current != "" {
+		return current
+	}
+	return defaultExternalDriverDownloadDirectory()
+}
+
+func SetExternalDriverDownloadDirectory(downloadDir string) {
+	root, err := resolveExternalDriverRoot(downloadDir)
+	if err != nil {
+		root = defaultExternalDriverDownloadDirectory()
+	}
+	externalDriverDirMu.Lock()
+	externalDriverDir = root
+	externalDriverDirMu.Unlock()
+}
+
+func ResolveExternalDriverRoot(downloadDir string) (string, error) {
+	return resolveExternalDriverRoot(downloadDir)
+}
+
+func ResolveOptionalGoDriverMarkerPath(downloadDir string, driverType string) (string, error) {
+	normalized := normalizeRuntimeDriverType(driverType)
+	if !IsOptionalGoDriver(normalized) {
+		return "", fmt.Errorf("%s 不是可选 Go 驱动", driverDisplayName(normalized))
+	}
+	root, err := resolveExternalDriverRoot(downloadDir)
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(root, normalized, "installed.json"), nil
+}
+
+func optionalGoDriverInstalled(driverType string) bool {
+	markerPath, err := ResolveOptionalGoDriverMarkerPath("", driverType)
+	if err != nil {
+		return false
+	}
+	info, statErr := os.Stat(markerPath)
+	return statErr == nil && !info.IsDir()
+}
+
+func optionalGoDriverRuntimeReady(driverType string) (bool, string) {
+	normalized := normalizeRuntimeDriverType(driverType)
+	if !IsOptionalGoDriver(normalized) {
+		return true, ""
+	}
+	executablePath, err := ResolveOptionalDriverAgentExecutablePath("", normalized)
+	if err != nil {
+		return false, fmt.Sprintf("%s 驱动代理路径解析失败，请在驱动管理中重新安装启用", driverDisplayName(normalized))
+	}
+	info, statErr := os.Stat(executablePath)
+	if statErr != nil || info.IsDir() {
+		return false, fmt.Sprintf("%s 驱动代理缺失，请在驱动管理中重新安装启用", driverDisplayName(normalized))
+	}
+	return true, ""
+}
+
+// DriverRuntimeSupportStatus 返回当前构建下驱动是否可用（可直接用于连接）。
+func DriverRuntimeSupportStatus(driverType string) (bool, string) {
+	normalized := normalizeRuntimeDriverType(driverType)
+	if normalized == "" {
+		return false, "未识别的数据源类型"
+	}
+	if normalized == "custom" {
+		return true, ""
+	}
+	if IsBuiltinDriver(normalized) {
+		return true, ""
+	}
+	if IsOptionalGoDriver(normalized) {
+		if !IsOptionalGoDriverBuildIncluded(normalized) {
+			return false, fmt.Sprintf("%s 当前发行包为精简构建，未内置该驱动；如需使用请安装 Full 版", driverDisplayName(normalized))
+		}
+		if optionalGoDriverInstalled(normalized) {
+			if ready, reason := optionalGoDriverRuntimeReady(normalized); !ready {
+				return false, reason
+			}
+			return true, ""
+		}
+		return false, fmt.Sprintf("%s 纯 Go 驱动未启用，请先在驱动管理中点击“安装启用”", driverDisplayName(normalized))
+	}
+	return true, ""
+}

internal/db/driver_support_test.go

@@ -0,0 +1,89 @@
+package db
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+	"testing"
+)
+
+func TestPostgresRuntimeSupportRequiresInstallMarker(t *testing.T) {
+	tmpDir := t.TempDir()
+	SetExternalDriverDownloadDirectory(tmpDir)
+
+	supported, _ := DriverRuntimeSupportStatus("postgres")
+	if !supported {
+		t.Fatalf("postgres 属于免安装内置驱动，应可用")
+	}
+	supported, reason := DriverRuntimeSupportStatus("postgres")
+	if !supported {
+		t.Fatalf("postgres 应可用，reason=%s", reason)
+	}
+}
+
+func TestBuiltinLikeDriversRemainAvailable(t *testing.T) {
+	tmpDir := t.TempDir()
+	SetExternalDriverDownloadDirectory(tmpDir)
+
+	supported, reason := DriverRuntimeSupportStatus("redis")
+	if !supported {
+		t.Fatalf("redis 应始终可用，reason=%s", reason)
+	}
+}
+
+func TestManagedDriverRequiresInstallMarker(t *testing.T) {
+	tmpDir := t.TempDir()
+	SetExternalDriverDownloadDirectory(tmpDir)
+
+	supported, _ := DriverRuntimeSupportStatus("mariadb")
+	if supported {
+		t.Fatalf("mariadb 未安装时不应可用")
+	}
+
+	if !IsOptionalGoDriverBuildIncluded("mariadb") {
+		supported, reason := DriverRuntimeSupportStatus("mariadb")
+		if supported {
+			t.Fatalf("精简构建下 mariadb 不应可用")
+		}
+		if reason == "" {
+			t.Fatalf("精简构建下 mariadb 应返回不可用原因")
+		}
+		return
+	}
+
+	markerPath, err := ResolveOptionalGoDriverMarkerPath(tmpDir, "mariadb")
+	if err != nil {
+		t.Fatalf("解析 marker 路径失败: %v", err)
+	}
+	if err := os.MkdirAll(filepath.Dir(markerPath), 0o755); err != nil {
+		t.Fatalf("创建 marker 目录失败: %v", err)
+	}
+	if err := os.WriteFile(markerPath, []byte("{}"), 0o644); err != nil {
+		t.Fatalf("写入 marker 失败: %v", err)
+	}
+	executablePath, err := ResolveOptionalDriverAgentExecutablePath(tmpDir, "mariadb")
+	if err != nil {
+		t.Fatalf("解析 mariadb 代理路径失败: %v", err)
+	}
+	if err := os.WriteFile(executablePath, []byte("placeholder"), 0o755); err != nil {
+		t.Fatalf("写入 mariadb 代理占位文件失败: %v", err)
+	}
+	if runtime.GOOS == "windows" {
+		_ = os.Chmod(executablePath, 0o644)
+	}
+
+	supported, reason := DriverRuntimeSupportStatus("mariadb")
+	if !supported {
+		t.Fatalf("mariadb 安装后应可用，reason=%s", reason)
+	}
+}
+
+func TestMySQLBuiltinRuntimeSupportAvailable(t *testing.T) {
+	tmpDir := t.TempDir()
+	SetExternalDriverDownloadDirectory(tmpDir)
+
+	supported, reason := DriverRuntimeSupportStatus("mysql")
+	if !supported {
+		t.Fatalf("mysql 属于免安装内置驱动，应可用，reason=%s", reason)
+	}
+}

internal/db/dsn_test.go

@@ -1,8 +1,11 @@
+//go:build gonavi_full_drivers
+
 package db
 
 import (
 	"strings"
 	"testing"
+	"time"
 
 	"GoNavi-Wails/internal/connection"
 )
@@ -95,3 +98,65 @@ func TestKingbaseDSN_QuotesPasswordWithSpaces(t *testing.T) {
 		t.Fatalf("dsn 未对包含空格的密码进行引号包裹：%s", dsn)
 	}
 }
+
+func TestTDengineDSN_UsesWebSocketFormat(t *testing.T) {
+	td := &TDengineDB{}
+	cfg := connection.ConnectionConfig{
+		Type:     "tdengine",
+		Host:     "127.0.0.1",
+		Port:     6041,
+		User:     "root",
+		Password: "taosdata",
+		Database: "power",
+	}
+
+	dsn := td.getDSN(cfg)
+	if !strings.HasPrefix(dsn, "root:taosdata@ws(127.0.0.1:6041)/power") {
+		t.Fatalf("tdengine dsn 格式不正确：%s", dsn)
+	}
+}
+
+func TestClickHouseOptions_UsesStructuredTimeoutAndAuth(t *testing.T) {
+	c := &ClickHouseDB{}
+	cfg := normalizeClickHouseConfig(connection.ConnectionConfig{
+		Type:     "clickhouse",
+		Host:     "127.0.0.1",
+		Port:     9000,
+		User:     "default",
+		Password: "p@ss:wo/rd",
+		Database: "analytics",
+		Timeout:  15,
+	})
+
+	opts := c.buildClickHouseOptions(cfg)
+	if opts == nil {
+		t.Fatal("options 为空")
+	}
+	if len(opts.Addr) != 1 || opts.Addr[0] != "127.0.0.1:9000" {
+		t.Fatalf("addr 不符合预期：%v", opts.Addr)
+	}
+	if opts.Auth.Username != "default" {
+		t.Fatalf("username 不符合预期：%s", opts.Auth.Username)
+	}
+	if opts.Auth.Password != cfg.Password {
+		t.Fatalf("password 不符合预期：%s", opts.Auth.Password)
+	}
+	if opts.Auth.Database != "analytics" {
+		t.Fatalf("database 不符合预期：%s", opts.Auth.Database)
+	}
+	if opts.DialTimeout != 15*time.Second {
+		t.Fatalf("dial timeout 不符合预期：%s", opts.DialTimeout)
+	}
+	if opts.ReadTimeout != 15*time.Second {
+		t.Fatalf("read timeout 不符合预期：%s", opts.ReadTimeout)
+	}
+	if _, ok := opts.Settings["write_timeout"]; ok {
+		t.Fatalf("options 不应包含 write_timeout 设置：%v", opts.Settings)
+	}
+	if _, ok := opts.Settings["read_timeout"]; ok {
+		t.Fatalf("options 不应通过 settings 传递 read_timeout：%v", opts.Settings)
+	}
+	if _, ok := opts.Settings["dial_timeout"]; ok {
+		t.Fatalf("options 不应通过 settings 传递 dial_timeout：%v", opts.Settings)
+	}
+}

internal/db/duckdb_driver_import.go

@@ -0,0 +1,5 @@
+//go:build (gonavi_full_drivers || gonavi_duckdb_driver) && cgo && (duckdb_use_lib || duckdb_use_static_lib || (darwin && (amd64 || arm64)) || (linux && (amd64 || arm64)) || (windows && amd64))
+
+package db
+
+import _ "github.com/duckdb/duckdb-go/v2"

internal/db/duckdb_impl.go

@@ -0,0 +1,466 @@
+//go:build gonavi_full_drivers || gonavi_duckdb_driver
+
+package db
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/utils"
+)
+
+type DuckDB struct {
+	conn        *sql.DB
+	pingTimeout time.Duration
+}
+
+func (d *DuckDB) Connect(config connection.ConnectionConfig) error {
+	if supported, reason := duckDBBuildSupportStatus(); !supported {
+		return fmt.Errorf("DuckDB 驱动不可用：%s", reason)
+	}
+
+	dsn := strings.TrimSpace(config.Host)
+	if dsn == "" {
+		dsn = strings.TrimSpace(config.Database)
+	}
+	if dsn == "" {
+		dsn = ":memory:"
+	}
+
+	db, err := sql.Open("duckdb", dsn)
+	if err != nil {
+		return fmt.Errorf("打开数据库连接失败：%w", err)
+	}
+	d.conn = db
+	d.pingTimeout = getConnectTimeout(config)
+
+	if err := d.Ping(); err != nil {
+		_ = db.Close()
+		d.conn = nil
+		return fmt.Errorf("连接建立后验证失败：%w", err)
+	}
+	return nil
+}
+
+func (d *DuckDB) Close() error {
+	if d.conn != nil {
+		return d.conn.Close()
+	}
+	return nil
+}
+
+func (d *DuckDB) Ping() error {
+	if d.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+	timeout := d.pingTimeout
+	if timeout <= 0 {
+		timeout = 5 * time.Second
+	}
+	ctx, cancel := utils.ContextWithTimeout(timeout)
+	defer cancel()
+	return d.conn.PingContext(ctx)
+}
+
+func (d *DuckDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	if d.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+	rows, err := d.conn.QueryContext(ctx, query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (d *DuckDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	if d.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+	rows, err := d.conn.Query(query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (d *DuckDB) ExecContext(ctx context.Context, query string) (int64, error) {
+	if d.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := d.conn.ExecContext(ctx, query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (d *DuckDB) Exec(query string) (int64, error) {
+	if d.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := d.conn.Exec(query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (d *DuckDB) GetDatabases() ([]string, error) {
+	data, _, err := d.Query("PRAGMA database_list")
+	if err != nil {
+		return []string{"main"}, nil
+	}
+
+	seen := map[string]struct{}{}
+	var names []string
+	for _, row := range data {
+		name := strings.TrimSpace(duckDBRowString(row, "name", "database_name", "database"))
+		if name == "" {
+			continue
+		}
+		if _, exists := seen[name]; exists {
+			continue
+		}
+		seen[name] = struct{}{}
+		names = append(names, name)
+	}
+	if len(names) == 0 {
+		return []string{"main"}, nil
+	}
+	return names, nil
+}
+
+func (d *DuckDB) GetTables(dbName string) ([]string, error) {
+	query := `
+SELECT table_schema, table_name
+FROM information_schema.tables
+WHERE table_type = 'BASE TABLE'
+  AND table_schema NOT IN ('information_schema', 'pg_catalog')
+ORDER BY table_schema, table_name`
+
+	data, _, err := d.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	seen := map[string]struct{}{}
+	var tables []string
+	for _, row := range data {
+		schema := strings.TrimSpace(duckDBRowString(row, "table_schema"))
+		name := strings.TrimSpace(duckDBRowString(row, "table_name"))
+		if name == "" {
+			continue
+		}
+		qualified := name
+		if schema != "" && !strings.EqualFold(schema, "main") {
+			qualified = schema + "." + name
+		}
+		if _, exists := seen[qualified]; exists {
+			continue
+		}
+		seen[qualified] = struct{}{}
+		tables = append(tables, qualified)
+	}
+	return tables, nil
+}
+
+func (d *DuckDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	schema, pureTable := normalizeDuckDBSchemaAndTable(dbName, tableName)
+	if pureTable == "" {
+		return "", fmt.Errorf("table name required")
+	}
+
+	escapedTable := escapeDuckDBLiteral(pureTable)
+	escapedSchema := escapeDuckDBLiteral(schema)
+
+	queryCandidates := []string{
+		fmt.Sprintf("SELECT sql FROM duckdb_tables() WHERE table_name = '%s' AND schema_name = '%s' LIMIT 1", escapedTable, escapedSchema),
+		fmt.Sprintf("SELECT sql FROM duckdb_tables() WHERE table_name = '%s' LIMIT 1", escapedTable),
+		fmt.Sprintf("SHOW CREATE TABLE %s", quoteDuckDBQualifiedTable(schema, pureTable)),
+	}
+
+	for _, query := range queryCandidates {
+		data, _, err := d.Query(query)
+		if err != nil || len(data) == 0 {
+			continue
+		}
+
+		createSQL := strings.TrimSpace(duckDBRowString(data[0], "sql", "create_table", "Create Table", "create_statement"))
+		if createSQL != "" {
+			return createSQL, nil
+		}
+		for _, value := range data[0] {
+			text := strings.TrimSpace(fmt.Sprintf("%v", value))
+			if text != "" && text != "<nil>" {
+				return text, nil
+			}
+		}
+	}
+
+	return "", fmt.Errorf("create statement not found")
+}
+
+func (d *DuckDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	schema, pureTable := normalizeDuckDBSchemaAndTable(dbName, tableName)
+	if pureTable == "" {
+		return nil, fmt.Errorf("table name required")
+	}
+
+	query := fmt.Sprintf(`
+SELECT column_name, data_type, is_nullable, column_default
+FROM information_schema.columns
+WHERE table_name = '%s' AND table_schema = '%s'
+ORDER BY ordinal_position`, escapeDuckDBLiteral(pureTable), escapeDuckDBLiteral(schema))
+
+	data, _, err := d.Query(query)
+	if err != nil {
+		return nil, err
+	}
+	if len(data) == 0 && schema != "main" {
+		fallbackQuery := fmt.Sprintf(`
+SELECT column_name, data_type, is_nullable, column_default
+FROM information_schema.columns
+WHERE table_name = '%s'
+ORDER BY ordinal_position`, escapeDuckDBLiteral(pureTable))
+		data, _, err = d.Query(fallbackQuery)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	var columns []connection.ColumnDefinition
+	for _, row := range data {
+		column := connection.ColumnDefinition{
+			Name:     duckDBRowString(row, "column_name"),
+			Type:     duckDBRowString(row, "data_type"),
+			Nullable: strings.ToUpper(strings.TrimSpace(duckDBRowString(row, "is_nullable"))),
+			Key:      "",
+			Extra:    "",
+			Comment:  "",
+		}
+		if column.Nullable == "" {
+			column.Nullable = "YES"
+		}
+		if defaultVal := strings.TrimSpace(duckDBRowString(row, "column_default")); defaultVal != "" && defaultVal != "<nil>" {
+			def := defaultVal
+			column.Default = &def
+		}
+		columns = append(columns, column)
+	}
+	return columns, nil
+}
+
+func (d *DuckDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	query := `
+SELECT table_schema, table_name, column_name, data_type
+FROM information_schema.columns
+WHERE table_schema NOT IN ('information_schema', 'pg_catalog')
+ORDER BY table_schema, table_name, ordinal_position`
+
+	data, _, err := d.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	columns := make([]connection.ColumnDefinitionWithTable, 0, len(data))
+	for _, row := range data {
+		schema := strings.TrimSpace(duckDBRowString(row, "table_schema"))
+		tableName := strings.TrimSpace(duckDBRowString(row, "table_name"))
+		if tableName == "" {
+			continue
+		}
+		if schema != "" && !strings.EqualFold(schema, "main") {
+			tableName = schema + "." + tableName
+		}
+
+		columns = append(columns, connection.ColumnDefinitionWithTable{
+			TableName: tableName,
+			Name:      duckDBRowString(row, "column_name"),
+			Type:      duckDBRowString(row, "data_type"),
+		})
+	}
+	return columns, nil
+}
+
+func (d *DuckDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return []connection.IndexDefinition{}, nil
+}
+
+func (d *DuckDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return []connection.ForeignKeyDefinition{}, nil
+}
+
+func (d *DuckDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return []connection.TriggerDefinition{}, nil
+}
+
+func (d *DuckDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
+	if d.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+
+	tx, err := d.conn.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	quoteIdent := func(name string) string {
+		n := strings.TrimSpace(name)
+		n = strings.Trim(n, "\"")
+		n = strings.ReplaceAll(n, "\"", "\"\"")
+		if n == "" {
+			return "\"\""
+		}
+		return `"` + n + `"`
+	}
+
+	schema := ""
+	table := strings.TrimSpace(tableName)
+	if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
+		schema = strings.TrimSpace(parts[0])
+		table = strings.TrimSpace(parts[1])
+	}
+
+	qualifiedTable := quoteIdent(table)
+	if schema != "" {
+		qualifiedTable = fmt.Sprintf("%s.%s", quoteIdent(schema), quoteIdent(table))
+	}
+
+	for _, pk := range changes.Deletes {
+		var wheres []string
+		var args []interface{}
+		for k, v := range pk {
+			wheres = append(wheres, fmt.Sprintf("%s = ?", quoteIdent(k)))
+			args = append(args, v)
+		}
+		if len(wheres) == 0 {
+			continue
+		}
+		query := fmt.Sprintf("DELETE FROM %s WHERE %s", qualifiedTable, strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("delete error: %v", err)
+		}
+	}
+
+	for _, update := range changes.Updates {
+		var sets []string
+		var args []interface{}
+		for k, v := range update.Values {
+			sets = append(sets, fmt.Sprintf("%s = ?", quoteIdent(k)))
+			args = append(args, v)
+		}
+		if len(sets) == 0 {
+			continue
+		}
+
+		var wheres []string
+		for k, v := range update.Keys {
+			wheres = append(wheres, fmt.Sprintf("%s = ?", quoteIdent(k)))
+			args = append(args, v)
+		}
+		if len(wheres) == 0 {
+			return fmt.Errorf("update requires keys")
+		}
+
+		query := fmt.Sprintf("UPDATE %s SET %s WHERE %s", qualifiedTable, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("update error: %v", err)
+		}
+	}
+
+	for _, row := range changes.Inserts {
+		var cols []string
+		var placeholders []string
+		var args []interface{}
+
+		for k, v := range row {
+			cols = append(cols, quoteIdent(k))
+			placeholders = append(placeholders, "?")
+			args = append(args, v)
+		}
+		if len(cols) == 0 {
+			continue
+		}
+
+		query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s)", qualifiedTable, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("insert error: %v", err)
+		}
+	}
+
+	return tx.Commit()
+}
+
+func normalizeDuckDBSchemaAndTable(dbName string, tableName string) (string, string) {
+	schema := strings.TrimSpace(dbName)
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		if schema == "" {
+			schema = "main"
+		}
+		return schema, table
+	}
+
+	if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
+		left := strings.TrimSpace(parts[0])
+		right := strings.TrimSpace(parts[1])
+		if left != "" && right != "" {
+			return normalizeDuckDBIdentifier(left), normalizeDuckDBIdentifier(right)
+		}
+	}
+
+	if schema == "" {
+		schema = "main"
+	}
+	return normalizeDuckDBIdentifier(schema), normalizeDuckDBIdentifier(table)
+}
+
+func normalizeDuckDBIdentifier(raw string) string {
+	text := strings.TrimSpace(raw)
+	if len(text) >= 2 {
+		first := text[0]
+		last := text[len(text)-1]
+		if (first == '"' && last == '"') || (first == '`' && last == '`') {
+			text = strings.TrimSpace(text[1 : len(text)-1])
+		}
+	}
+	return text
+}
+
+func quoteDuckDBIdentifier(raw string) string {
+	text := normalizeDuckDBIdentifier(raw)
+	return `"` + strings.ReplaceAll(text, `"`, `""`) + `"`
+}
+
+func quoteDuckDBQualifiedTable(schema string, table string) string {
+	s := strings.TrimSpace(schema)
+	t := strings.TrimSpace(table)
+	if s == "" {
+		return quoteDuckDBIdentifier(t)
+	}
+	return quoteDuckDBIdentifier(s) + "." + quoteDuckDBIdentifier(t)
+}
+
+func duckDBRowString(row map[string]interface{}, keys ...string) string {
+	for _, key := range keys {
+		for rowKey, value := range row {
+			if !strings.EqualFold(rowKey, key) || value == nil {
+				continue
+			}
+			return fmt.Sprintf("%v", value)
+		}
+	}
+	return ""
+}
+
+func escapeDuckDBLiteral(raw string) string {
+	return strings.ReplaceAll(raw, "'", "''")
+}

internal/db/duckdb_platform_supported.go

@@ -0,0 +1,7 @@
+//go:build (gonavi_full_drivers || gonavi_duckdb_driver) && cgo && (duckdb_use_lib || duckdb_use_static_lib || (darwin && (amd64 || arm64)) || (linux && (amd64 || arm64)) || (windows && amd64))
+
+package db
+
+func duckDBBuildSupportStatus() (bool, string) {
+	return true, ""
+}

internal/db/duckdb_platform_unsupported.go

@@ -0,0 +1,12 @@
+//go:build (gonavi_full_drivers || gonavi_duckdb_driver) && !(cgo && (duckdb_use_lib || duckdb_use_static_lib || (darwin && (amd64 || arm64)) || (linux && (amd64 || arm64)) || (windows && amd64)))
+
+package db
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func duckDBBuildSupportStatus() (bool, string) {
+	return false, fmt.Sprintf("当前构建不包含 DuckDB 驱动（平台=%s/%s）。需要启用 CGO，并使用受支持平台（darwin/linux amd64|arm64、windows/amd64）或通过 -tags duckdb_use_lib / duckdb_use_static_lib 提供自定义库", runtime.GOOS, runtime.GOARCH)
+}

internal/db/highgo_impl.go

@@ -0,0 +1,630 @@
+//go:build gonavi_full_drivers || gonavi_highgo_driver
+
+package db
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"net"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/ssh"
+	"GoNavi-Wails/internal/utils"
+
+	_ "github.com/highgo/pq-sm3" // HighGo uses dedicated SM3-capable driver
+)
+
+// HighGoDB implements Database interface for HighGo (瀚高) database
+// HighGo is a PostgreSQL-compatible database, so we reuse PostgreSQL driver
+type HighGoDB struct {
+	conn        *sql.DB
+	pingTimeout time.Duration
+	forwarder   *ssh.LocalForwarder
+}
+
+func (h *HighGoDB) getDSN(config connection.ConnectionConfig) string {
+	// postgres://user:password@host:port/dbname?sslmode=disable
+	dbname := config.Database
+	if dbname == "" {
+		dbname = "highgo" // HighGo default database
+	}
+
+	u := &url.URL{
+		Scheme: "postgres",
+		Host:   net.JoinHostPort(config.Host, strconv.Itoa(config.Port)),
+		Path:   "/" + dbname,
+	}
+	u.User = url.UserPassword(config.User, config.Password)
+	q := url.Values{}
+	q.Set("sslmode", "disable")
+	q.Set("connect_timeout", strconv.Itoa(getConnectTimeoutSeconds(config)))
+	u.RawQuery = q.Encode()
+
+	return u.String()
+}
+
+func (h *HighGoDB) Connect(config connection.ConnectionConfig) error {
+	var dsn string
+
+	if config.UseSSH {
+		logger.Infof("HighGo 使用 SSH 连接：地址=%s:%d 用户=%s", config.Host, config.Port, config.User)
+
+		forwarder, err := ssh.GetOrCreateLocalForwarder(config.SSH, config.Host, config.Port)
+		if err != nil {
+			return fmt.Errorf("创建 SSH 隧道失败：%w", err)
+		}
+		h.forwarder = forwarder
+
+		host, portStr, err := net.SplitHostPort(forwarder.LocalAddr)
+		if err != nil {
+			return fmt.Errorf("解析本地转发地址失败：%w", err)
+		}
+
+		port, err := strconv.Atoi(portStr)
+		if err != nil {
+			return fmt.Errorf("解析本地端口失败：%w", err)
+		}
+
+		localConfig := config
+		localConfig.Host = host
+		localConfig.Port = port
+		localConfig.UseSSH = false
+
+		dsn = h.getDSN(localConfig)
+		logger.Infof("HighGo 通过本地端口转发连接：%s -> %s:%d", forwarder.LocalAddr, config.Host, config.Port)
+	} else {
+		dsn = h.getDSN(config)
+	}
+
+	db, err := sql.Open("highgo", dsn)
+	if err != nil {
+		return fmt.Errorf("打开数据库连接失败：%w", err)
+	}
+	h.conn = db
+	h.pingTimeout = getConnectTimeout(config)
+
+	if err := h.Ping(); err != nil {
+		return fmt.Errorf("连接建立后验证失败：%w", err)
+	}
+	return nil
+}
+
+func (h *HighGoDB) Close() error {
+	if h.forwarder != nil {
+		if err := h.forwarder.Close(); err != nil {
+			logger.Warnf("关闭 HighGo SSH 端口转发失败：%v", err)
+		}
+		h.forwarder = nil
+	}
+
+	if h.conn != nil {
+		return h.conn.Close()
+	}
+	return nil
+}
+
+func (h *HighGoDB) Ping() error {
+	if h.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+	timeout := h.pingTimeout
+	if timeout <= 0 {
+		timeout = 5 * time.Second
+	}
+	ctx, cancel := utils.ContextWithTimeout(timeout)
+	defer cancel()
+	return h.conn.PingContext(ctx)
+}
+
+func (h *HighGoDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	if h.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+
+	rows, err := h.conn.QueryContext(ctx, query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+
+	return scanRows(rows)
+}
+
+func (h *HighGoDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	if h.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+
+	rows, err := h.conn.Query(query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (h *HighGoDB) ExecContext(ctx context.Context, query string) (int64, error) {
+	if h.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := h.conn.ExecContext(ctx, query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (h *HighGoDB) Exec(query string) (int64, error) {
+	if h.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := h.conn.Exec(query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (h *HighGoDB) GetDatabases() ([]string, error) {
+	data, _, err := h.Query("SELECT datname FROM pg_database WHERE datistemplate = false")
+	if err != nil {
+		return nil, err
+	}
+	var dbs []string
+	for _, row := range data {
+		if val, ok := row["datname"]; ok {
+			dbs = append(dbs, fmt.Sprintf("%v", val))
+		}
+	}
+	return dbs, nil
+}
+
+func (h *HighGoDB) GetTables(dbName string) ([]string, error) {
+	query := "SELECT schemaname, tablename FROM pg_catalog.pg_tables WHERE schemaname != 'information_schema' AND schemaname NOT LIKE 'pg_%' ORDER BY schemaname, tablename"
+	data, _, err := h.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var tables []string
+	for _, row := range data {
+		schema, okSchema := row["schemaname"]
+		name, okName := row["tablename"]
+		if okSchema && okName {
+			tables = append(tables, fmt.Sprintf("%v.%v", schema, name))
+			continue
+		}
+		if okName {
+			tables = append(tables, fmt.Sprintf("%v", name))
+		}
+	}
+	return tables, nil
+}
+
+func (h *HighGoDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	return fmt.Sprintf("-- SHOW CREATE TABLE not fully supported for HighGo in this version.\n-- Table: %s", tableName), nil
+}
+
+func (h *HighGoDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	schema := strings.TrimSpace(dbName)
+	if schema == "" {
+		schema = "public"
+	}
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		return nil, fmt.Errorf("table name required")
+	}
+
+	esc := func(s string) string { return strings.ReplaceAll(s, "'", "''") }
+
+	query := fmt.Sprintf(`
+SELECT
+	a.attname AS column_name,
+	pg_catalog.format_type(a.atttypid, a.atttypmod) AS data_type,
+	CASE WHEN a.attnotnull THEN 'NO' ELSE 'YES' END AS is_nullable,
+	pg_get_expr(ad.adbin, ad.adrelid) AS column_default,
+	col_description(a.attrelid, a.attnum) AS comment,
+	CASE WHEN pk.attname IS NOT NULL THEN 'PRI' ELSE '' END AS column_key
+FROM pg_class c
+JOIN pg_namespace n ON n.oid = c.relnamespace
+JOIN pg_attribute a ON a.attrelid = c.oid
+LEFT JOIN pg_attrdef ad ON ad.adrelid = c.oid AND ad.adnum = a.attnum
+LEFT JOIN (
+	SELECT i.indrelid, a3.attname
+	FROM pg_index i
+	JOIN pg_attribute a3 ON a3.attrelid = i.indrelid AND a3.attnum = ANY(i.indkey)
+	WHERE i.indisprimary
+) pk ON pk.indrelid = c.oid AND pk.attname = a.attname
+WHERE c.relkind IN ('r', 'p')
+  AND n.nspname = '%s'
+  AND c.relname = '%s'
+  AND a.attnum > 0
+  AND NOT a.attisdropped
+ORDER BY a.attnum`, esc(schema), esc(table))
+
+	data, _, err := h.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var columns []connection.ColumnDefinition
+	for _, row := range data {
+		col := connection.ColumnDefinition{
+			Name:     fmt.Sprintf("%v", row["column_name"]),
+			Type:     fmt.Sprintf("%v", row["data_type"]),
+			Nullable: fmt.Sprintf("%v", row["is_nullable"]),
+			Key:      fmt.Sprintf("%v", row["column_key"]),
+			Extra:    "",
+			Comment:  "",
+		}
+
+		if v, ok := row["comment"]; ok && v != nil {
+			col.Comment = fmt.Sprintf("%v", v)
+		}
+
+		if v, ok := row["column_default"]; ok && v != nil {
+			def := fmt.Sprintf("%v", v)
+			col.Default = &def
+			if strings.HasPrefix(strings.ToLower(strings.TrimSpace(def)), "nextval(") {
+				col.Extra = "auto_increment"
+			}
+		}
+
+		columns = append(columns, col)
+	}
+	return columns, nil
+}
+
+func (h *HighGoDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	schema := strings.TrimSpace(dbName)
+	if schema == "" {
+		schema = "public"
+	}
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		return nil, fmt.Errorf("table name required")
+	}
+
+	esc := func(s string) string { return strings.ReplaceAll(s, "'", "''") }
+
+	query := fmt.Sprintf(`
+SELECT
+	i.relname AS index_name,
+	a.attname AS column_name,
+	ix.indisunique AS is_unique,
+	x.ordinality AS seq_in_index,
+	am.amname AS index_type
+FROM pg_class t
+JOIN pg_namespace n ON n.oid = t.relnamespace
+JOIN pg_index ix ON t.oid = ix.indrelid
+JOIN pg_class i ON i.oid = ix.indexrelid
+JOIN pg_am am ON i.relam = am.oid
+JOIN unnest(ix.indkey) WITH ORDINALITY AS x(attnum, ordinality) ON TRUE
+JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = x.attnum
+WHERE t.relkind IN ('r', 'p')
+  AND t.relname = '%s'
+  AND n.nspname = '%s'
+ORDER BY i.relname, x.ordinality`, esc(table), esc(schema))
+
+	data, _, err := h.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	parseBool := func(v interface{}) bool {
+		switch val := v.(type) {
+		case bool:
+			return val
+		case string:
+			s := strings.ToLower(strings.TrimSpace(val))
+			return s == "t" || s == "true" || s == "1" || s == "y" || s == "yes"
+		default:
+			s := strings.ToLower(strings.TrimSpace(fmt.Sprintf("%v", v)))
+			return s == "t" || s == "true" || s == "1" || s == "y" || s == "yes"
+		}
+	}
+
+	parseInt := func(v interface{}) int {
+		switch val := v.(type) {
+		case int:
+			return val
+		case int64:
+			return int(val)
+		case float64:
+			return int(val)
+		case string:
+			var n int
+			_, _ = fmt.Sscanf(strings.TrimSpace(val), "%d", &n)
+			return n
+		default:
+			var n int
+			_, _ = fmt.Sscanf(strings.TrimSpace(fmt.Sprintf("%v", v)), "%d", &n)
+			return n
+		}
+	}
+
+	var indexes []connection.IndexDefinition
+	for _, row := range data {
+		isUnique := false
+		if v, ok := row["is_unique"]; ok && v != nil {
+			isUnique = parseBool(v)
+		}
+
+		nonUnique := 1
+		if isUnique {
+			nonUnique = 0
+		}
+
+		seq := 0
+		if v, ok := row["seq_in_index"]; ok && v != nil {
+			seq = parseInt(v)
+		}
+
+		indexType := ""
+		if v, ok := row["index_type"]; ok && v != nil {
+			indexType = strings.ToUpper(fmt.Sprintf("%v", v))
+		}
+		if indexType == "" {
+			indexType = "BTREE"
+		}
+
+		idx := connection.IndexDefinition{
+			Name:       fmt.Sprintf("%v", row["index_name"]),
+			ColumnName: fmt.Sprintf("%v", row["column_name"]),
+			NonUnique:  nonUnique,
+			SeqInIndex: seq,
+			IndexType:  indexType,
+		}
+		indexes = append(indexes, idx)
+	}
+	return indexes, nil
+}
+
+func (h *HighGoDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	schema := strings.TrimSpace(dbName)
+	if schema == "" {
+		schema = "public"
+	}
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		return nil, fmt.Errorf("table name required")
+	}
+
+	esc := func(s string) string { return strings.ReplaceAll(s, "'", "''") }
+
+	query := fmt.Sprintf(`
+SELECT
+	tc.constraint_name AS constraint_name,
+	kcu.column_name AS column_name,
+	ccu.table_schema AS foreign_table_schema,
+	ccu.table_name AS foreign_table_name,
+	ccu.column_name AS foreign_column_name
+FROM information_schema.table_constraints AS tc
+JOIN information_schema.key_column_usage AS kcu
+  ON tc.constraint_name = kcu.constraint_name
+  AND tc.table_schema = kcu.table_schema
+JOIN information_schema.constraint_column_usage AS ccu
+  ON ccu.constraint_name = tc.constraint_name
+  AND ccu.table_schema = tc.table_schema
+WHERE tc.constraint_type = 'FOREIGN KEY'
+  AND tc.table_name = '%s'
+  AND tc.table_schema = '%s'
+ORDER BY tc.constraint_name, kcu.ordinal_position`, esc(table), esc(schema))
+
+	data, _, err := h.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var fks []connection.ForeignKeyDefinition
+	for _, row := range data {
+		refSchema := ""
+		if v, ok := row["foreign_table_schema"]; ok && v != nil {
+			refSchema = fmt.Sprintf("%v", v)
+		}
+		refTable := fmt.Sprintf("%v", row["foreign_table_name"])
+		refTableName := refTable
+		if strings.TrimSpace(refSchema) != "" {
+			refTableName = fmt.Sprintf("%s.%s", refSchema, refTable)
+		}
+
+		fk := connection.ForeignKeyDefinition{
+			Name:           fmt.Sprintf("%v", row["constraint_name"]),
+			ColumnName:     fmt.Sprintf("%v", row["column_name"]),
+			RefTableName:   refTableName,
+			RefColumnName:  fmt.Sprintf("%v", row["foreign_column_name"]),
+			ConstraintName: fmt.Sprintf("%v", row["constraint_name"]),
+		}
+		fks = append(fks, fk)
+	}
+	return fks, nil
+}
+
+func (h *HighGoDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	schema := strings.TrimSpace(dbName)
+	if schema == "" {
+		schema = "public"
+	}
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		return nil, fmt.Errorf("table name required")
+	}
+
+	esc := func(s string) string { return strings.ReplaceAll(s, "'", "''") }
+
+	query := fmt.Sprintf(`
+SELECT trigger_name, action_timing, event_manipulation, action_statement
+FROM information_schema.triggers
+WHERE event_object_table = '%s'
+  AND event_object_schema = '%s'
+ORDER BY trigger_name, event_manipulation`, esc(table), esc(schema))
+
+	data, _, err := h.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var triggers []connection.TriggerDefinition
+	for _, row := range data {
+		trig := connection.TriggerDefinition{
+			Name:      fmt.Sprintf("%v", row["trigger_name"]),
+			Timing:    fmt.Sprintf("%v", row["action_timing"]),
+			Event:     fmt.Sprintf("%v", row["event_manipulation"]),
+			Statement: fmt.Sprintf("%v", row["action_statement"]),
+		}
+		triggers = append(triggers, trig)
+	}
+	return triggers, nil
+}
+
+func (h *HighGoDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	query := `
+SELECT table_schema, table_name, column_name, data_type
+FROM information_schema.columns
+WHERE table_schema NOT IN ('pg_catalog', 'information_schema')
+  AND table_schema NOT LIKE 'pg_%'
+ORDER BY table_schema, table_name, ordinal_position`
+
+	data, _, err := h.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var cols []connection.ColumnDefinitionWithTable
+	for _, row := range data {
+		schema := fmt.Sprintf("%v", row["table_schema"])
+		table := fmt.Sprintf("%v", row["table_name"])
+		tableName := table
+		if strings.TrimSpace(schema) != "" {
+			tableName = fmt.Sprintf("%s.%s", schema, table)
+		}
+
+		col := connection.ColumnDefinitionWithTable{
+			TableName: tableName,
+			Name:      fmt.Sprintf("%v", row["column_name"]),
+			Type:      fmt.Sprintf("%v", row["data_type"]),
+		}
+		cols = append(cols, col)
+	}
+	return cols, nil
+}
+
+func (h *HighGoDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
+	if h.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+
+	tx, err := h.conn.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	quoteIdent := func(name string) string {
+		n := strings.TrimSpace(name)
+		n = strings.Trim(n, "\"")
+		n = strings.ReplaceAll(n, "\"", "\"\"")
+		if n == "" {
+			return "\"\""
+		}
+		return `"` + n + `"`
+	}
+
+	schema := ""
+	table := strings.TrimSpace(tableName)
+	if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
+		schema = strings.TrimSpace(parts[0])
+		table = strings.TrimSpace(parts[1])
+	}
+
+	qualifiedTable := ""
+	if schema != "" {
+		qualifiedTable = fmt.Sprintf("%s.%s", quoteIdent(schema), quoteIdent(table))
+	} else {
+		qualifiedTable = quoteIdent(table)
+	}
+
+	// 1. Deletes
+	for _, pk := range changes.Deletes {
+		var wheres []string
+		var args []interface{}
+		idx := 0
+		for k, v := range pk {
+			idx++
+			wheres = append(wheres, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+		if len(wheres) == 0 {
+			continue
+		}
+		query := fmt.Sprintf("DELETE FROM %s WHERE %s", qualifiedTable, strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("delete error: %v", err)
+		}
+	}
+
+	// 2. Updates
+	for _, update := range changes.Updates {
+		var sets []string
+		var args []interface{}
+		idx := 0
+
+		for k, v := range update.Values {
+			idx++
+			sets = append(sets, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+
+		if len(sets) == 0 {
+			continue
+		}
+
+		var wheres []string
+		for k, v := range update.Keys {
+			idx++
+			wheres = append(wheres, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+
+		if len(wheres) == 0 {
+			return fmt.Errorf("update requires keys")
+		}
+
+		query := fmt.Sprintf("UPDATE %s SET %s WHERE %s", qualifiedTable, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("update error: %v", err)
+		}
+	}
+
+	// 3. Inserts
+	for _, row := range changes.Inserts {
+		var cols []string
+		var placeholders []string
+		var args []interface{}
+		idx := 0
+
+		for k, v := range row {
+			idx++
+			cols = append(cols, quoteIdent(k))
+			placeholders = append(placeholders, fmt.Sprintf("$%d", idx))
+			args = append(args, v)
+		}
+
+		if len(cols) == 0 {
+			continue
+		}
+
+		query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s)", qualifiedTable, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("insert error: %v", err)
+		}
+	}
+
+	return tx.Commit()
+}

internal/db/kingbase_impl.go

@@ -1,3 +1,5 @@
+//go:build gonavi_full_drivers || gonavi_kingbase_driver
+
 package db
 
 import (
@@ -597,7 +599,117 @@ func (k *KingbaseDB) GetTriggers(dbName, tableName string) ([]connection.Trigger
 }
 
 func (k *KingbaseDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
-	return fmt.Errorf("read-only mode implemented for Kingbase so far")
+	if k.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+
+	tx, err := k.conn.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	quoteIdent := func(name string) string {
+		n := strings.TrimSpace(name)
+		n = strings.Trim(n, "\"")
+		n = strings.ReplaceAll(n, "\"", "\"\"")
+		if n == "" {
+			return "\"\""
+		}
+		return `"` + n + `"`
+	}
+
+	schema := ""
+	table := strings.TrimSpace(tableName)
+	if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
+		schema = strings.TrimSpace(parts[0])
+		table = strings.TrimSpace(parts[1])
+	}
+
+	qualifiedTable := ""
+	if schema != "" {
+		qualifiedTable = fmt.Sprintf("%s.%s", quoteIdent(schema), quoteIdent(table))
+	} else {
+		qualifiedTable = quoteIdent(table)
+	}
+
+	// 1. Deletes
+	for _, pk := range changes.Deletes {
+		var wheres []string
+		var args []interface{}
+		idx := 0
+		for k, v := range pk {
+			idx++
+			wheres = append(wheres, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+		if len(wheres) == 0 {
+			continue
+		}
+		query := fmt.Sprintf("DELETE FROM %s WHERE %s", qualifiedTable, strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("delete error: %v", err)
+		}
+	}
+
+	// 2. Updates
+	for _, update := range changes.Updates {
+		var sets []string
+		var args []interface{}
+		idx := 0
+
+		for k, v := range update.Values {
+			idx++
+			sets = append(sets, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+
+		if len(sets) == 0 {
+			continue
+		}
+
+		var wheres []string
+		for k, v := range update.Keys {
+			idx++
+			wheres = append(wheres, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
+			args = append(args, v)
+		}
+
+		if len(wheres) == 0 {
+			return fmt.Errorf("update requires keys")
+		}
+
+		query := fmt.Sprintf("UPDATE %s SET %s WHERE %s", qualifiedTable, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("update error: %v", err)
+		}
+	}
+
+	// 3. Inserts
+	for _, row := range changes.Inserts {
+		var cols []string
+		var placeholders []string
+		var args []interface{}
+		idx := 0
+
+		for k, v := range row {
+			idx++
+			cols = append(cols, quoteIdent(k))
+			placeholders = append(placeholders, fmt.Sprintf("$%d", idx))
+			args = append(args, v)
+		}
+
+		if len(cols) == 0 {
+			continue
+		}
+
+		query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s)", qualifiedTable, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("insert error: %v", err)
+		}
+	}
+
+	return tx.Commit()
 }
 
 func (k *KingbaseDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {

internal/db/mariadb_impl.go

@@ -0,0 +1,411 @@
+//go:build gonavi_full_drivers || gonavi_mariadb_driver
+
+package db
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/ssh"
+	"GoNavi-Wails/internal/utils"
+
+	_ "github.com/go-sql-driver/mysql"
+)
+
+// MariaDB implements Database interface for MariaDB
+// MariaDB is MySQL-compatible, so we reuse the MySQL driver
+type MariaDB struct {
+	conn        *sql.DB
+	pingTimeout time.Duration
+}
+
+func (m *MariaDB) getDSN(config connection.ConnectionConfig) string {
+	database := config.Database
+	protocol := "tcp"
+	address := fmt.Sprintf("%s:%d", config.Host, config.Port)
+
+	if config.UseSSH {
+		netName, err := ssh.RegisterSSHNetwork(config.SSH)
+		if err == nil {
+			protocol = netName
+			address = fmt.Sprintf("%s:%d", config.Host, config.Port)
+		} else {
+			logger.Warnf("注册 SSH 网络失败，将尝试直连：地址=%s:%d 用户=%s，原因：%v", config.Host, config.Port, config.User, err)
+		}
+	}
+
+	timeout := getConnectTimeoutSeconds(config)
+
+	return fmt.Sprintf("%s:%s@%s(%s)/%s?charset=utf8mb4&parseTime=True&loc=Local&timeout=%ds",
+		config.User, config.Password, protocol, address, database, timeout)
+}
+
+func (m *MariaDB) Connect(config connection.ConnectionConfig) error {
+	dsn := m.getDSN(config)
+	db, err := sql.Open("mysql", dsn)
+	if err != nil {
+		return fmt.Errorf("打开数据库连接失败：%w", err)
+	}
+	m.conn = db
+	m.pingTimeout = getConnectTimeout(config)
+
+	if err := m.Ping(); err != nil {
+		return fmt.Errorf("连接建立后验证失败：%w", err)
+	}
+	return nil
+}
+
+func (m *MariaDB) Close() error {
+	if m.conn != nil {
+		return m.conn.Close()
+	}
+	return nil
+}
+
+func (m *MariaDB) Ping() error {
+	if m.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+	timeout := m.pingTimeout
+	if timeout <= 0 {
+		timeout = 5 * time.Second
+	}
+	ctx, cancel := utils.ContextWithTimeout(timeout)
+	defer cancel()
+	return m.conn.PingContext(ctx)
+}
+
+func (m *MariaDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	if m.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+
+	rows, err := m.conn.QueryContext(ctx, query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+
+	return scanRows(rows)
+}
+
+func (m *MariaDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	if m.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+
+	rows, err := m.conn.Query(query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (m *MariaDB) ExecContext(ctx context.Context, query string) (int64, error) {
+	if m.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := m.conn.ExecContext(ctx, query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (m *MariaDB) Exec(query string) (int64, error) {
+	if m.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := m.conn.Exec(query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (m *MariaDB) GetDatabases() ([]string, error) {
+	data, _, err := m.Query("SHOW DATABASES")
+	if err != nil {
+		return nil, err
+	}
+	var dbs []string
+	for _, row := range data {
+		if val, ok := row["Database"]; ok {
+			dbs = append(dbs, fmt.Sprintf("%v", val))
+		} else if val, ok := row["database"]; ok {
+			dbs = append(dbs, fmt.Sprintf("%v", val))
+		}
+	}
+	return dbs, nil
+}
+
+func (m *MariaDB) GetTables(dbName string) ([]string, error) {
+	query := "SHOW TABLES"
+	if dbName != "" {
+		query = fmt.Sprintf("SHOW TABLES FROM `%s`", dbName)
+	}
+
+	data, _, err := m.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var tables []string
+	for _, row := range data {
+		for _, v := range row {
+			tables = append(tables, fmt.Sprintf("%v", v))
+			break
+		}
+	}
+	return tables, nil
+}
+
+func (m *MariaDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	query := fmt.Sprintf("SHOW CREATE TABLE `%s`.`%s`", dbName, tableName)
+	if dbName == "" {
+		query = fmt.Sprintf("SHOW CREATE TABLE `%s`", tableName)
+	}
+
+	data, _, err := m.Query(query)
+	if err != nil {
+		return "", err
+	}
+
+	if len(data) > 0 {
+		if val, ok := data[0]["Create Table"]; ok {
+			return fmt.Sprintf("%v", val), nil
+		}
+	}
+	return "", fmt.Errorf("create statement not found")
+}
+
+func (m *MariaDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	query := fmt.Sprintf("SHOW FULL COLUMNS FROM `%s`.`%s`", dbName, tableName)
+	if dbName == "" {
+		query = fmt.Sprintf("SHOW FULL COLUMNS FROM `%s`", tableName)
+	}
+
+	data, _, err := m.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var columns []connection.ColumnDefinition
+	for _, row := range data {
+		col := connection.ColumnDefinition{
+			Name:     fmt.Sprintf("%v", row["Field"]),
+			Type:     fmt.Sprintf("%v", row["Type"]),
+			Nullable: fmt.Sprintf("%v", row["Null"]),
+			Key:      fmt.Sprintf("%v", row["Key"]),
+			Extra:    fmt.Sprintf("%v", row["Extra"]),
+			Comment:  fmt.Sprintf("%v", row["Comment"]),
+		}
+
+		if row["Default"] != nil {
+			d := fmt.Sprintf("%v", row["Default"])
+			col.Default = &d
+		}
+
+		columns = append(columns, col)
+	}
+	return columns, nil
+}
+
+func (m *MariaDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	query := fmt.Sprintf("SHOW INDEX FROM `%s`.`%s`", dbName, tableName)
+	if dbName == "" {
+		query = fmt.Sprintf("SHOW INDEX FROM `%s`", tableName)
+	}
+
+	data, _, err := m.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var indexes []connection.IndexDefinition
+	for _, row := range data {
+		nonUnique := 0
+		if val, ok := row["Non_unique"]; ok {
+			if f, ok := val.(float64); ok {
+				nonUnique = int(f)
+			} else if i, ok := val.(int64); ok {
+				nonUnique = int(i)
+			}
+		}
+
+		seq := 0
+		if val, ok := row["Seq_in_index"]; ok {
+			if f, ok := val.(float64); ok {
+				seq = int(f)
+			} else if i, ok := val.(int64); ok {
+				seq = int(i)
+			}
+		}
+
+		idx := connection.IndexDefinition{
+			Name:       fmt.Sprintf("%v", row["Key_name"]),
+			ColumnName: fmt.Sprintf("%v", row["Column_name"]),
+			NonUnique:  nonUnique,
+			SeqInIndex: seq,
+			IndexType:  fmt.Sprintf("%v", row["Index_type"]),
+		}
+		indexes = append(indexes, idx)
+	}
+	return indexes, nil
+}
+
+func (m *MariaDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	query := fmt.Sprintf(`SELECT CONSTRAINT_NAME, COLUMN_NAME, REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME
+              FROM information_schema.KEY_COLUMN_USAGE
+              WHERE TABLE_SCHEMA = '%s' AND TABLE_NAME = '%s' AND REFERENCED_TABLE_NAME IS NOT NULL`, dbName, tableName)
+
+	data, _, err := m.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var fks []connection.ForeignKeyDefinition
+	for _, row := range data {
+		fk := connection.ForeignKeyDefinition{
+			Name:           fmt.Sprintf("%v", row["CONSTRAINT_NAME"]),
+			ColumnName:     fmt.Sprintf("%v", row["COLUMN_NAME"]),
+			RefTableName:   fmt.Sprintf("%v", row["REFERENCED_TABLE_NAME"]),
+			RefColumnName:  fmt.Sprintf("%v", row["REFERENCED_COLUMN_NAME"]),
+			ConstraintName: fmt.Sprintf("%v", row["CONSTRAINT_NAME"]),
+		}
+		fks = append(fks, fk)
+	}
+	return fks, nil
+}
+
+func (m *MariaDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	query := fmt.Sprintf("SHOW TRIGGERS FROM `%s` WHERE `Table` = '%s'", dbName, tableName)
+	data, _, err := m.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var triggers []connection.TriggerDefinition
+	for _, row := range data {
+		trig := connection.TriggerDefinition{
+			Name:      fmt.Sprintf("%v", row["Trigger"]),
+			Timing:    fmt.Sprintf("%v", row["Timing"]),
+			Event:     fmt.Sprintf("%v", row["Event"]),
+			Statement: fmt.Sprintf("%v", row["Statement"]),
+		}
+		triggers = append(triggers, trig)
+	}
+	return triggers, nil
+}
+
+func (m *MariaDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
+	if m.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+
+	tx, err := m.conn.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	// 1. Deletes
+	for _, pk := range changes.Deletes {
+		var wheres []string
+		var args []interface{}
+		for k, v := range pk {
+			wheres = append(wheres, fmt.Sprintf("`%s` = ?", k))
+			args = append(args, normalizeMySQLDateTimeValue(v))
+		}
+		if len(wheres) == 0 {
+			continue
+		}
+		query := fmt.Sprintf("DELETE FROM `%s` WHERE %s", tableName, strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("delete error: %v", err)
+		}
+	}
+
+	// 2. Updates
+	for _, update := range changes.Updates {
+		var sets []string
+		var args []interface{}
+
+		for k, v := range update.Values {
+			sets = append(sets, fmt.Sprintf("`%s` = ?", k))
+			args = append(args, normalizeMySQLDateTimeValue(v))
+		}
+
+		if len(sets) == 0 {
+			continue
+		}
+
+		var wheres []string
+		for k, v := range update.Keys {
+			wheres = append(wheres, fmt.Sprintf("`%s` = ?", k))
+			args = append(args, normalizeMySQLDateTimeValue(v))
+		}
+
+		if len(wheres) == 0 {
+			return fmt.Errorf("update requires keys")
+		}
+
+		query := fmt.Sprintf("UPDATE `%s` SET %s WHERE %s", tableName, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("update error: %v", err)
+		}
+	}
+
+	// 3. Inserts
+	for _, row := range changes.Inserts {
+		var cols []string
+		var placeholders []string
+		var args []interface{}
+
+		for k, v := range row {
+			cols = append(cols, fmt.Sprintf("`%s`", k))
+			placeholders = append(placeholders, "?")
+			args = append(args, normalizeMySQLDateTimeValue(v))
+		}
+
+		if len(cols) == 0 {
+			continue
+		}
+
+		query := fmt.Sprintf("INSERT INTO `%s` (%s) VALUES (%s)", tableName, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("insert error: %v", err)
+		}
+	}
+
+	return tx.Commit()
+}
+
+func (m *MariaDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	query := fmt.Sprintf("SELECT TABLE_NAME, COLUMN_NAME, COLUMN_TYPE FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = '%s'", dbName)
+	if dbName == "" {
+		return nil, fmt.Errorf("database name required for GetAllColumns")
+	}
+
+	data, _, err := m.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	var cols []connection.ColumnDefinitionWithTable
+	for _, row := range data {
+		col := connection.ColumnDefinitionWithTable{
+			TableName: fmt.Sprintf("%v", row["TABLE_NAME"]),
+			Name:      fmt.Sprintf("%v", row["COLUMN_NAME"]),
+			Type:      fmt.Sprintf("%v", row["COLUMN_TYPE"]),
+		}
+		cols = append(cols, col)
+	}
+	return cols, nil
+}