chore(ci): 删除旧的 macOS 单平台测试工作流

# Conflicts:
#	.github/workflows/test-build-all-platforms.yml
#	internal/db/query_value.go
#	internal/db/query_value_test.go

.github/workflows/test-build-all-platforms.yml

@@ -0,0 +1,342 @@
+name: Test Build All Platforms (Manual)
+
+on:
+  workflow_dispatch:
+    inputs:
+      build_label:
+        description: "测试包标识（仅用于文件名）"
+        required: false
+        default: "test"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: test-build-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  build:
+    name: Build ${{ matrix.platform }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: macos-latest
+            platform: darwin/amd64
+            os_name: MacOS
+            arch_name: Amd64
+            build_name: gonavi-test-darwin-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: macos-latest
+            platform: darwin/arm64
+            os_name: MacOS
+            arch_name: Arm64
+            build_name: gonavi-test-darwin-arm64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: ""
+          - os: windows-latest
+            platform: windows/amd64
+            os_name: Windows
+            arch_name: Amd64
+            build_name: gonavi-test-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-test-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-test-linux-amd64
+            wails_tags: ""
+            artifact_suffix: ""
+            build_optional_agents: true
+            linux_webkit: "4.0"
+          - os: ubuntu-24.04
+            platform: linux/amd64
+            os_name: Linux
+            arch_name: Amd64
+            build_name: gonavi-test-linux-amd64-webkit41
+            wails_tags: "webkit2_41"
+            artifact_suffix: "-WebKit41"
+            build_optional_agents: false
+            linux_webkit: "4.1"
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+          check-latest: true
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install Linux Dependencies
+        if: contains(matrix.platform, 'linux')
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libgtk-3-dev
+
+          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
+
+          sudo apt-get install -y libfuse2 || sudo apt-get install -y libfuse2t64 || true
+
+          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"
+
+          wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=3 -O /tmp/linuxdeploy "$LINUXDEPLOY_URL" || {
+            echo "skip-appimage=true" >> "$GITHUB_ENV"
+          }
+          wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=3 -O /tmp/linuxdeploy-plugin-gtk "$PLUGIN_URL" || {
+            echo "skip-appimage=true" >> "$GITHUB_ENV"
+          }
+
+          if [ "${skip-appimage:-false}" != "true" ]; then
+            chmod +x /tmp/linuxdeploy /tmp/linuxdeploy-plugin-gtk
+          fi
+
+      - name: Install Wails
+        run: go install github.com/wailsapp/wails/v2/cmd/wails@v2.11.0
+
+      - name: Setup MSYS2 Toolchain For DuckDB (Windows AMD64)
+        id: msys2_duckdb
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        continue-on-error: true
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: UCRT64
+          update: true
+          install: >-
+            mingw-w64-ucrt-x86_64-gcc
+
+      - name: Configure DuckDB CGO Toolchain (Windows AMD64)
+        if: ${{ matrix.build_optional_agents && matrix.platform == 'windows/amd64' }}
+        shell: pwsh
+        run: |
+          function Find-MingwBin([string[]]$candidates) {
+            foreach ($bin in $candidates) {
+              if ([string]::IsNullOrWhiteSpace($bin)) {
+                continue
+              }
+              $gcc = Join-Path $bin 'gcc.exe'
+              $gxx = Join-Path $bin 'g++.exe'
+              if ((Test-Path $gcc) -and (Test-Path $gxx)) {
+                return $bin
+              }
+            }
+            return $null
+          }
+
+          $msys2Location = "${{ steps.msys2_duckdb.outputs['msys2-location'] }}"
+          $candidateBins = @()
+          if (-not [string]::IsNullOrWhiteSpace($msys2Location)) {
+            $candidateBins += Join-Path $msys2Location 'ucrt64\bin'
+          }
+          $candidateBins += @(
+            'C:\msys64\ucrt64\bin',
+            'D:\a\_temp\msys64\ucrt64\bin'
+          )
+          $candidateBins = @($candidateBins | Select-Object -Unique)
+
+          $mingwBin = Find-MingwBin $candidateBins
+          if (-not $mingwBin) {
+            Write-Error "❌ 未找到可用的 DuckDB UCRT64 编译器。"
+            exit 1
+          }
+
+          $gcc = Join-Path $mingwBin 'gcc.exe'
+          $gxx = Join-Path $mingwBin 'g++.exe'
+          "$mingwBin" | Out-File -FilePath $env:GITHUB_PATH -Append -Encoding utf8
+          "CC=$gcc" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+          "CXX=$gxx" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+
+      - name: Build App
+        shell: bash
+        run: |
+          set -euo pipefail
+          BUILD_LABEL="${{ inputs.build_label }}"
+          if [ -z "$BUILD_LABEL" ]; then
+            BUILD_LABEL="test"
+          fi
+          APP_VERSION="${BUILD_LABEL}-${GITHUB_RUN_NUMBER}"
+          if [ -n "${{ matrix.wails_tags }}" ]; then
+            wails build -platform "${{ matrix.platform }}" -clean -o "${{ matrix.build_name }}" -tags "${{ matrix.wails_tags }}" -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${APP_VERSION}"
+          else
+            wails build -platform "${{ matrix.platform }}" -clean -o "${{ matrix.build_name }}" -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${APP_VERSION}"
+          fi
+
+      - 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 [ "$DRIVER" = "doris" ]; then
+              BUILD_DRIVER="diros"
+            fi
+            if [ "$DRIVER" = "duckdb" ] && [ "$GOOS" = "windows" ] && [ "$GOARCH" != "amd64" ]; then
+              echo "跳过 DuckDB driver: ${GOOS}/${GOARCH}"
+              continue
+            fi
+            TAG="gonavi_${BUILD_DRIVER}_driver"
+            OUTPUT="${DRIVER}-driver-agent-${GOOS}-${GOARCH}"
+            if [ "$GOOS" = "windows" ]; then
+              OUTPUT="${OUTPUT}.exe"
+            fi
+            OUTPUT_PATH="${OUTDIR}/${OUTPUT}"
+            if [ "$DRIVER" = "duckdb" ]; then
+              CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" go build -tags "$TAG" -trimpath -ldflags "-s -w" -o "$OUTPUT_PATH" ./cmd/optional-driver-agent
+            else
+              CGO_ENABLED=0 GOOS="$GOOS" GOARCH="$GOARCH" go build -tags "$TAG" -trimpath -ldflags "-s -w" -o "$OUTPUT_PATH" ./cmd/optional-driver-agent
+            fi
+          done
+
+      - name: Package macOS
+        if: contains(matrix.platform, 'darwin')
+        shell: bash
+        run: |
+          set -euo pipefail
+          brew install create-dmg
+          LABEL="${{ inputs.build_label }}"
+          if [ -z "$LABEL" ]; then
+            LABEL="test"
+          fi
+          cd build/bin
+          APP_PATH=$(find . -maxdepth 1 -name "*.app" | head -n 1)
+          if [ -z "$APP_PATH" ]; then
+            echo "未找到 .app 应用包"
+            exit 1
+          fi
+          APP_NAME=$(basename "$APP_PATH")
+          codesign --force --deep --sign - "$APP_NAME"
+          ZIP_NAME="GoNavi-${LABEL}-${{ matrix.os_name }}-${{ matrix.arch_name }}-run${GITHUB_RUN_NUMBER}.zip"
+          DMG_NAME="GoNavi-${LABEL}-${{ matrix.os_name }}-${{ matrix.arch_name }}-run${GITHUB_RUN_NUMBER}.dmg"
+          mkdir -p ../../artifacts
+          ditto -c -k --sequesterRsrc --keepParent "$APP_NAME" "../../artifacts/$ZIP_NAME"
+          create-dmg \
+            --volname "GoNavi Test Installer" \
+            --window-pos 200 120 \
+            --window-size 800 400 \
+            --icon-size 100 \
+            --icon "$APP_NAME" 200 190 \
+            --hide-extension "$APP_NAME" \
+            --app-drop-link 600 185 \
+            "$DMG_NAME" \
+            "$APP_NAME"
+          mv "$DMG_NAME" "../../artifacts/$DMG_NAME"
+          shasum -a 256 "../../artifacts/$ZIP_NAME" > "../../artifacts/$ZIP_NAME.sha256"
+          shasum -a 256 "../../artifacts/$DMG_NAME" > "../../artifacts/$DMG_NAME.sha256"
+
+      - name: Package Windows
+        if: contains(matrix.platform, 'windows')
+        shell: pwsh
+        run: |
+          $label = "${{ inputs.build_label }}"
+          if ([string]::IsNullOrWhiteSpace($label)) { $label = 'test' }
+          Set-Location build/bin
+          $target = "${{ matrix.build_name }}"
+          $finalExeName = "GoNavi-$label-${{ matrix.os_name }}-${{ matrix.arch_name }}-run$env:GITHUB_RUN_NUMBER.exe"
+          $finalZipName = "GoNavi-$label-${{ matrix.os_name }}-${{ matrix.arch_name }}-run$env:GITHUB_RUN_NUMBER.zip"
+          if (Test-Path "$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
+          }
+          New-Item -ItemType Directory -Force -Path ..\..\artifacts | Out-Null
+          Copy-Item -LiteralPath $finalExe -Destination "..\..\artifacts\$finalExeName" -Force
+          Compress-Archive -LiteralPath $finalExe -DestinationPath "..\..\artifacts\$finalZipName" -Force
+          Get-FileHash "..\..\artifacts\$finalExeName" -Algorithm SHA256 | ForEach-Object { "{0} *{1}" -f $_.Hash.ToLower(), (Split-Path $_.Path -Leaf) } | Out-File "..\..\artifacts\$finalExeName.sha256" -Encoding ascii
+          Get-FileHash "..\..\artifacts\$finalZipName" -Algorithm SHA256 | ForEach-Object { "{0} *{1}" -f $_.Hash.ToLower(), (Split-Path $_.Path -Leaf) } | Out-File "..\..\artifacts\$finalZipName.sha256" -Encoding ascii
+
+      - name: Package Linux
+        if: contains(matrix.platform, 'linux')
+        shell: bash
+        run: |
+          set -euo pipefail
+          LABEL="${{ inputs.build_label }}"
+          if [ -z "$LABEL" ]; then
+            LABEL="test"
+          fi
+          cd build/bin
+          TARGET="${{ matrix.build_name }}"
+          TAR_NAME="GoNavi-${LABEL}-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}-run${GITHUB_RUN_NUMBER}.tar.gz"
+          APPIMAGE_NAME="GoNavi-${LABEL}-${{ matrix.os_name }}-${{ matrix.arch_name }}${{ matrix.artifact_suffix }}-run${GITHUB_RUN_NUMBER}.AppImage"
+          mkdir -p ../../artifacts
+
+          if [ ! -f "$TARGET" ]; then
+            echo "未找到构建产物 '$TARGET'"
+            exit 1
+          fi
+          chmod +x "$TARGET"
+          tar -czvf "../../artifacts/$TAR_NAME" "$TARGET"
+          sha256sum "../../artifacts/$TAR_NAME" > "../../artifacts/$TAR_NAME.sha256"
+
+          if [ "${skip-appimage:-false}" = "true" ]; then
+            echo "跳过 AppImage 打包"
+            exit 0
+          fi
+
+          mkdir -p AppDir/usr/bin AppDir/usr/share/applications AppDir/usr/share/icons/hicolor/256x256/apps
+          cp "$TARGET" AppDir/usr/bin/gonavi
+          printf '%s\n' '[Desktop Entry]' 'Name=GoNavi' 'Exec=gonavi' 'Icon=gonavi' 'Type=Application' 'Categories=Development;Database;' 'Comment=Database Management Tool' > AppDir/usr/share/applications/gonavi.desktop
+          cp AppDir/usr/share/applications/gonavi.desktop AppDir/gonavi.desktop
+          if [ -f "../../build/appicon.png" ]; then
+            cp "../../build/appicon.png" AppDir/usr/share/icons/hicolor/256x256/apps/gonavi.png
+            cp "../../build/appicon.png" AppDir/gonavi.png
+          else
+            touch AppDir/gonavi.png
+            cp AppDir/gonavi.png AppDir/usr/share/icons/hicolor/256x256/apps/gonavi.png
+          fi
+          export DEPLOY_GTK_VERSION=3
+          /tmp/linuxdeploy --appdir AppDir --plugin gtk --output appimage || exit 0
+          mv GoNavi*.AppImage "$APPIMAGE_NAME" 2>/dev/null || exit 0
+          mv "$APPIMAGE_NAME" "../../artifacts/$APPIMAGE_NAME"
+          sha256sum "../../artifacts/$APPIMAGE_NAME" > "../../artifacts/$APPIMAGE_NAME.sha256"
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-build-${{ matrix.build_name }}-run${{ github.run_number }}
+          path: |
+            artifacts/*
+            drivers/**
+          if-no-files-found: error
+          retention-days: 7

.github/workflows/test-macos-build.yml

@@ -1,91 +0,0 @@
-name: Test Build macOS (Manual)
-
-on:
-  workflow_dispatch:
-    inputs:
-      build_label:
-        description: "测试包标识（仅用于文件名）"
-        required: false
-        default: "test"
-  push:
-    branches:
-      - feature/kingbase_opt
-    paths:
-      - ".github/workflows/test-macos-build.yml"
-
-permissions:
-  contents: read
-
-jobs:
-  build-macos:
-    name: Build macOS ${{ matrix.arch }}
-    runs-on: macos-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - platform: darwin/amd64
-            arch: amd64
-          - platform: darwin/arm64
-            arch: arm64
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: "1.24.3"
-          check-latest: true
-
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: "20"
-
-      - name: Install Wails
-        run: go install github.com/wailsapp/wails/v2/cmd/wails@v2.11.0
-
-      - name: Build App
-        run: |
-          set -euo pipefail
-          OUTPUT_NAME="gonavi-test-${{ matrix.arch }}"
-          BUILD_LABEL="${{ inputs.build_label }}"
-          if [ -z "$BUILD_LABEL" ]; then
-            BUILD_LABEL="test"
-          fi
-          APP_VERSION="${BUILD_LABEL}-${GITHUB_RUN_NUMBER}"
-          wails build \
-            -platform "${{ matrix.platform }}" \
-            -clean \
-            -o "$OUTPUT_NAME" \
-            -ldflags "-s -w -X GoNavi-Wails/internal/app.AppVersion=${APP_VERSION}"
-
-      - name: Package Zip
-        run: |
-          set -euo pipefail
-          APP_PATH="build/bin/gonavi-test-${{ matrix.arch }}.app"
-          if [ ! -d "$APP_PATH" ]; then
-            APP_PATH=$(find build/bin -maxdepth 1 -name "*.app" | head -n 1 || true)
-          fi
-          if [ -z "$APP_PATH" ] || [ ! -d "$APP_PATH" ]; then
-            echo "未找到 .app 产物"
-            ls -la build/bin || true
-            exit 1
-          fi
-          LABEL="${{ inputs.build_label }}"
-          if [ -z "$LABEL" ]; then
-            LABEL="test"
-          fi
-          ZIP_NAME="GoNavi-${LABEL}-macos-${{ matrix.arch }}-run${GITHUB_RUN_NUMBER}.zip"
-          mkdir -p artifacts
-          ditto -c -k --sequesterRsrc --keepParent "$APP_PATH" "artifacts/$ZIP_NAME"
-          shasum -a 256 "artifacts/$ZIP_NAME" > "artifacts/$ZIP_NAME.sha256"
-
-      - name: Upload Artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: gonavi-macos-${{ matrix.arch }}-run${{ github.run_number }}
-          path: artifacts/*
-          if-no-files-found: error

frontend/src/App.tsx

@@ -283,6 +283,7 @@ function App() {
       let inFlight = false;
       let lastRatio = Number(window.devicePixelRatio) || 1;
       let lastFixAt = 0;
+      let activationTimer: number | null = null;
 
       const wait = (ms: number) => new Promise<void>((resolve) => window.setTimeout(resolve, ms));
 
@@ -334,17 +335,55 @@ function App() {
           void fixWindowScaleIfNeeded();
       };
 
+      const scheduleActivationFix = () => {
+          if (cancelled) return;
+          if (activationTimer !== null) {
+              window.clearTimeout(activationTimer);
+          }
+          activationTimer = window.setTimeout(() => {
+              activationTimer = null;
+              if (cancelled) return;
+              void fixWindowScaleIfNeeded();
+          }, 80);
+      };
+
+      const handleWindowFocus = () => {
+          if (cancelled) return;
+          checkDevicePixelRatio();
+          scheduleActivationFix();
+      };
+
+      const handleVisibilityChange = () => {
+          if (cancelled) return;
+          if (document.visibilityState !== 'visible') {
+              return;
+          }
+          checkDevicePixelRatio();
+          scheduleActivationFix();
+      };
+
+      const handlePageShow = () => {
+          if (cancelled) return;
+          checkDevicePixelRatio();
+          scheduleActivationFix();
+      };
+
       const pollTimer = window.setInterval(checkDevicePixelRatio, 900);
       window.addEventListener('resize', checkDevicePixelRatio);
-      window.addEventListener('focus', checkDevicePixelRatio);
-      document.addEventListener('visibilitychange', checkDevicePixelRatio);
+      window.addEventListener('focus', handleWindowFocus);
+      window.addEventListener('pageshow', handlePageShow);
+      document.addEventListener('visibilitychange', handleVisibilityChange);
 
       return () => {
           cancelled = true;
+          if (activationTimer !== null) {
+              window.clearTimeout(activationTimer);
+          }
           window.clearInterval(pollTimer);
           window.removeEventListener('resize', checkDevicePixelRatio);
-          window.removeEventListener('focus', checkDevicePixelRatio);
-          document.removeEventListener('visibilitychange', checkDevicePixelRatio);
+          window.removeEventListener('focus', handleWindowFocus);
+          window.removeEventListener('pageshow', handlePageShow);
+          document.removeEventListener('visibilitychange', handleVisibilityChange);
       };
   }, []);
 

frontend/src/components/DataGrid.tsx

@@ -610,6 +610,8 @@ interface DataGridProps {
     exportSqlWithFilter?: string;
     onApplyFilter?: (conditions: GridFilterCondition[]) => void;
     appliedFilterConditions?: FilterCondition[];
+    scrollSnapshot?: { top: number; left: number };
+    onScrollSnapshotChange?: (snapshot: { top: number; left: number }) => void;
 }
 
 type GridFilterCondition = FilterCondition & {
@@ -629,7 +631,8 @@ type ColumnMeta = {
 
 const DataGrid: React.FC<DataGridProps> = ({
     data, columnNames, loading, tableName, exportScope = 'table', resultSql, dbName, connectionId, pkColumns = [], readOnly = false,
-    onReload, onSort, onPageChange, pagination, onRequestTotalCount, onCancelTotalCount, sortInfoExternal, showFilter, onToggleFilter, exportSqlWithFilter, onApplyFilter, appliedFilterConditions
+    onReload, onSort, onPageChange, pagination, onRequestTotalCount, onCancelTotalCount, sortInfoExternal, showFilter, onToggleFilter, exportSqlWithFilter, onApplyFilter, appliedFilterConditions,
+    scrollSnapshot, onScrollSnapshotChange
 }) => {
   const connections = useStore(state => state.connections);
   const addSqlLog = useStore(state => state.addSqlLog);
@@ -750,6 +753,8 @@ const DataGrid: React.FC<DataGridProps> = ({
   const lastTableScrollLeftRef = useRef(0);
   const lastExternalScrollLeftRef = useRef(0);
   const pendingScrollToBottomRef = useRef(false);
+  const lastReportedScrollRef = useRef<{ top: number; left: number }>({ top: 0, left: 0 });
+  const didRestoreScrollRef = useRef(false);
 
   // 批量编辑模式状态
   const [cellEditMode, setCellEditMode] = useState(false);
@@ -2074,9 +2079,14 @@ const DataGrid: React.FC<DataGridProps> = ({
 
   const estimatedVisibleCellCount = mergedDisplayData.length * Math.max(columnNames.length, 1);
   const enableLargeResultOptimizedEditing =
-      viewMode === 'table' && (mergedDisplayData.length >= 60 || estimatedVisibleCellCount >= 4000);
+      viewMode === 'table' && (
+          mergedDisplayData.length >= 60 ||
+          estimatedVisibleCellCount >= 1600 ||
+          columnNames.length >= 36 ||
+          (isMacLike && columnNames.length >= 24)
+      );
   const enableVirtual = enableLargeResultOptimizedEditing;
-  const enableInlineEditableCell = canModifyData;
+  const enableInlineEditableCell = canModifyData && !enableLargeResultOptimizedEditing;
 
   const columns = useMemo(() => {
       return columnNames.map(key => ({
@@ -2762,6 +2772,13 @@ const DataGrid: React.FC<DataGridProps> = ({
       return active ? [active] : [];
   }, []);
 
+  const pickVerticalScrollTarget = useCallback((tableContainer: HTMLElement): HTMLElement | null => {
+      const virtualHolder = tableContainer.querySelector('.ant-table-tbody-virtual-holder') as HTMLElement | null;
+      const rcVirtualHolder = tableContainer.querySelector('.rc-virtual-list-holder') as HTMLElement | null;
+      const body = tableContainer.querySelector('.ant-table-body') as HTMLElement | null;
+      return virtualHolder || rcVirtualHolder || body;
+  }, []);
+
   const syncExternalScrollFromTargets = useCallback((targets?: HTMLElement[], source?: HTMLElement | null) => {
       const externalScroll = externalHScrollRef.current;
       if (!(externalScroll instanceof HTMLDivElement) || horizontalSyncSourceRef.current === 'external') {
@@ -2844,12 +2861,162 @@ const DataGrid: React.FC<DataGridProps> = ({
       };
   }, [horizontalScrollVisible]);
 
+  // 非虚拟模式：支持在数据区直接使用触摸板/Shift+滚轮进行横向滚动。
+  // 某些平台在表格内容未铺满一页时，不会把水平手势正确路由到表格 body，导致只能在表头/底部滚动条区域滚动。
+  useEffect(() => {
+      if (viewMode !== 'table' || enableVirtual) return;
+      const container = tableContainerRef.current;
+      if (!(container instanceof HTMLElement)) return;
+
+      const resolveHorizontalDelta = (event: WheelEvent) => {
+          if (Math.abs(event.deltaX) > 0.5) {
+              return event.deltaX;
+          }
+          if (event.shiftKey && Math.abs(event.deltaY) > 0.5) {
+              return event.deltaY;
+          }
+          return 0;
+      };
+
+      const isTableDataAreaTarget = (target: EventTarget | null) => {
+          const element = target instanceof HTMLElement ? target : null;
+          if (!element) return false;
+          if (element.closest('.data-grid-external-hscroll')) return false;
+          return !!element.closest('.ant-table-body, .ant-table-content, .ant-table-cell, .ant-table-row, .ant-table-tbody');
+      };
+
+      const handleContainerHorizontalWheel = (event: WheelEvent) => {
+          const horizontalDelta = resolveHorizontalDelta(event);
+          if (!Number.isFinite(horizontalDelta) || Math.abs(horizontalDelta) < 0.5) return;
+          if (!isTableDataAreaTarget(event.target)) return;
+
+          const targets = pickHorizontalScrollTargets(container);
+          const activeTarget = targets.find((target) => target.scrollWidth > target.clientWidth + 1) || targets[0];
+          if (!(activeTarget instanceof HTMLElement)) return;
+
+          const maxScrollLeft = Math.max(0, activeTarget.scrollWidth - activeTarget.clientWidth);
+          if (maxScrollLeft <= 0) return;
+
+          const nextScrollLeft = Math.max(0, Math.min(maxScrollLeft, activeTarget.scrollLeft + horizontalDelta));
+          if (Math.abs(nextScrollLeft - activeTarget.scrollLeft) < 1) return;
+
+          event.preventDefault();
+          event.stopPropagation();
+
+          horizontalSyncSourceRef.current = 'table';
+          activeTarget.scrollLeft = nextScrollLeft;
+          lastTableScrollLeftRef.current = nextScrollLeft;
+
+          const externalScroll = externalHScrollRef.current;
+          if (externalScroll && Math.abs(externalScroll.scrollLeft - nextScrollLeft) > 1) {
+              externalScroll.scrollLeft = nextScrollLeft;
+              lastExternalScrollLeftRef.current = nextScrollLeft;
+          }
+          horizontalSyncSourceRef.current = '';
+      };
+
+      container.addEventListener('wheel', handleContainerHorizontalWheel, { passive: false, capture: true });
+      return () => {
+          container.removeEventListener('wheel', handleContainerHorizontalWheel, { capture: true } as EventListenerOptions);
+      };
+  }, [viewMode, enableVirtual, pickHorizontalScrollTargets]);
+
   useEffect(() => {
       if (viewMode !== 'table') return;
       const rafId = requestAnimationFrame(() => recalculateTableMetrics(containerRef.current));
       return () => cancelAnimationFrame(rafId);
   }, [viewMode, totalWidth, mergedDisplayData.length, recalculateTableMetrics]);
 
+  useEffect(() => {
+      if (viewMode !== 'table' || !onScrollSnapshotChange) return;
+      const tableContainer = tableContainerRef.current;
+      if (!(tableContainer instanceof HTMLElement)) return;
+
+      let rafId: number | null = null;
+      let boundVerticalTarget: HTMLElement | null = null;
+      let boundHorizontalTargets: HTMLElement[] = [];
+      const externalScroll = externalHScrollRef.current;
+      const hasStoredScroll = !!scrollSnapshot && (Math.abs(scrollSnapshot.top) > 0.5 || Math.abs(scrollSnapshot.left) > 0.5);
+
+      const emitSnapshot = () => {
+          if (!didRestoreScrollRef.current && hasStoredScroll) {
+              return;
+          }
+          const verticalTarget = boundVerticalTarget || pickVerticalScrollTarget(tableContainer);
+          const horizontalTargets = boundHorizontalTargets.length > 0 ? boundHorizontalTargets : pickHorizontalScrollTargets(tableContainer);
+          const top = verticalTarget ? verticalTarget.scrollTop : 0;
+          const left = horizontalTargets[0]?.scrollLeft ?? externalScroll?.scrollLeft ?? 0;
+          if (Math.abs(lastReportedScrollRef.current.top - top) < 1 && Math.abs(lastReportedScrollRef.current.left - left) < 1) {
+              return;
+          }
+          lastReportedScrollRef.current = { top, left };
+          onScrollSnapshotChange({ top, left });
+      };
+
+      const bindTargets = () => {
+          if (boundVerticalTarget) {
+              boundVerticalTarget.removeEventListener('scroll', emitSnapshot);
+          }
+          boundHorizontalTargets.forEach(target => target.removeEventListener('scroll', emitSnapshot));
+          externalScroll?.removeEventListener('scroll', emitSnapshot);
+
+          boundVerticalTarget = pickVerticalScrollTarget(tableContainer);
+          boundHorizontalTargets = pickHorizontalScrollTargets(tableContainer);
+
+          boundVerticalTarget?.addEventListener('scroll', emitSnapshot, { passive: true });
+          boundHorizontalTargets.forEach(target => target.addEventListener('scroll', emitSnapshot, { passive: true }));
+          externalScroll?.addEventListener('scroll', emitSnapshot, { passive: true });
+          emitSnapshot();
+      };
+
+      rafId = requestAnimationFrame(bindTargets);
+      return () => {
+          if (rafId !== null) cancelAnimationFrame(rafId);
+          if (boundVerticalTarget) {
+              boundVerticalTarget.removeEventListener('scroll', emitSnapshot);
+          }
+          boundHorizontalTargets.forEach(target => target.removeEventListener('scroll', emitSnapshot));
+          externalScroll?.removeEventListener('scroll', emitSnapshot);
+      };
+  }, [viewMode, mergedDisplayData.length, onScrollSnapshotChange, pickHorizontalScrollTargets, pickVerticalScrollTarget, scrollSnapshot]);
+
+  useEffect(() => {
+      if (viewMode !== 'table') return;
+      if (!scrollSnapshot) return;
+      if (didRestoreScrollRef.current) return;
+      const tableContainer = tableContainerRef.current;
+      if (!(tableContainer instanceof HTMLElement)) return;
+      if (mergedDisplayData.length === 0) return;
+
+      let rafId = requestAnimationFrame(() => {
+          const verticalTarget = pickVerticalScrollTarget(tableContainer);
+          const horizontalTargets = pickHorizontalScrollTargets(tableContainer);
+          const nextTop = Math.max(0, scrollSnapshot.top);
+          const nextLeft = Math.max(0, scrollSnapshot.left);
+          if (verticalTarget && Math.abs(verticalTarget.scrollTop - scrollSnapshot.top) > 1) {
+              verticalTarget.scrollTop = nextTop;
+          }
+          if (Math.abs(nextLeft) > 0.5) {
+              horizontalTargets.forEach(target => {
+                  if (Math.abs(target.scrollLeft - nextLeft) > 1) {
+                      target.scrollLeft = nextLeft;
+                  }
+              });
+              const externalScroll = externalHScrollRef.current;
+              if (externalScroll && Math.abs(externalScroll.scrollLeft - nextLeft) > 1) {
+                  externalScroll.scrollLeft = nextLeft;
+              }
+              lastTableScrollLeftRef.current = nextLeft;
+              lastExternalScrollLeftRef.current = nextLeft;
+          }
+          lastReportedScrollRef.current = { top: nextTop, left: nextLeft };
+          didRestoreScrollRef.current = true;
+          onScrollSnapshotChange?.({ top: nextTop, left: nextLeft });
+      });
+
+      return () => cancelAnimationFrame(rafId);
+  }, [viewMode, mergedDisplayData.length, scrollSnapshot, pickHorizontalScrollTargets, pickVerticalScrollTarget, onScrollSnapshotChange]);
+
   // 虚拟模式下，在容器级别监听 wheel 事件，当鼠标在底部水平滚动条区域时拦截并转为水平滚动
   useEffect(() => {
       if (viewMode !== 'table' || !enableVirtual) return;

frontend/src/components/DataViewer.tsx

@@ -155,6 +155,16 @@ const reverseOrderBySQL = (orderBySQL: string): string => {
 type ViewerFilterSnapshot = {
   showFilter: boolean;
   conditions: FilterCondition[];
+  currentPage: number;
+  pageSize: number;
+  sortInfo: { columnKey: string, order: string } | null;
+  scrollTop: number;
+  scrollLeft: number;
+};
+
+type ViewerScrollSnapshot = {
+  top: number;
+  left: number;
 };
 
 const viewerFilterSnapshotsByTab = new Map<string, ViewerFilterSnapshot>();
@@ -175,15 +185,23 @@ const normalizeViewerFilterConditions = (conditions: FilterCondition[] | undefin
 const getViewerFilterSnapshot = (tabId: string): ViewerFilterSnapshot => {
   const cached = viewerFilterSnapshotsByTab.get(String(tabId || '').trim());
   if (!cached) {
-    return { showFilter: false, conditions: [] };
+    return { showFilter: false, conditions: [], currentPage: 1, pageSize: 100, sortInfo: null, scrollTop: 0, scrollLeft: 0 };
   }
   return {
     showFilter: cached.showFilter === true,
     conditions: normalizeViewerFilterConditions(cached.conditions),
+    currentPage: Number.isFinite(Number(cached.currentPage)) && Number(cached.currentPage) > 0 ? Number(cached.currentPage) : 1,
+    pageSize: Number.isFinite(Number(cached.pageSize)) && Number(cached.pageSize) > 0 ? Number(cached.pageSize) : 100,
+    sortInfo: cached.sortInfo && cached.sortInfo.columnKey && (cached.sortInfo.order === 'ascend' || cached.sortInfo.order === 'descend')
+      ? { columnKey: String(cached.sortInfo.columnKey), order: cached.sortInfo.order }
+      : null,
+    scrollTop: Number.isFinite(Number(cached.scrollTop)) ? Number(cached.scrollTop) : 0,
+    scrollLeft: Number.isFinite(Number(cached.scrollLeft)) ? Number(cached.scrollLeft) : 0,
   };
 };
 
 const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
+  const initialViewerSnapshot = useMemo(() => getViewerFilterSnapshot(tab.id), [tab.id]);
   const [data, setData] = useState<any[]>([]);
   const [columnNames, setColumnNames] = useState<string[]>([]);
   const [pkColumns, setPkColumns] = useState<string[]>([]);
@@ -204,10 +222,15 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
   const latestDbNameRef = useRef<string>('');
   const latestCountSqlRef = useRef<string>('');
   const latestCountKeyRef = useRef<string>('');
+  const scrollSnapshotRef = useRef<ViewerScrollSnapshot>({
+    top: initialViewerSnapshot.scrollTop,
+    left: initialViewerSnapshot.scrollLeft,
+  });
+  const initialLoadRef = useRef(false);
 
   const [pagination, setPagination] = useState<ViewerPaginationState>({
-      current: 1,
-      pageSize: 100,
+      current: initialViewerSnapshot.currentPage,
+      pageSize: initialViewerSnapshot.pageSize,
       total: 0,
       totalKnown: false,
       totalApprox: false,
@@ -215,10 +238,10 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
       totalCountCancelled: false,
   });
 
-  const [sortInfo, setSortInfo] = useState<{ columnKey: string, order: string } | null>(null);
+  const [sortInfo, setSortInfo] = useState<{ columnKey: string, order: string } | null>(initialViewerSnapshot.sortInfo);
   
-  const [showFilter, setShowFilter] = useState<boolean>(() => getViewerFilterSnapshot(tab.id).showFilter);
-  const [filterConditions, setFilterConditions] = useState<FilterCondition[]>(() => getViewerFilterSnapshot(tab.id).conditions);
+  const [showFilter, setShowFilter] = useState<boolean>(initialViewerSnapshot.showFilter);
+  const [filterConditions, setFilterConditions] = useState<FilterCondition[]>(initialViewerSnapshot.conditions);
   const duckdbSafeSelectCacheRef = useRef<Record<string, string>>({});
   const currentConnConfig = connections.find(c => c.id === tab.connectionId)?.config;
   const currentConnCaps = getDataSourceCapabilities(currentConnConfig);
@@ -229,16 +252,25 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
     const snapshot = getViewerFilterSnapshot(tab.id);
     setShowFilter(snapshot.showFilter);
     setFilterConditions(snapshot.conditions);
+    setSortInfo(snapshot.sortInfo);
+    scrollSnapshotRef.current = { top: snapshot.scrollTop, left: snapshot.scrollLeft };
+    initialLoadRef.current = false;
   }, [tab.id]);
 
   useEffect(() => {
     viewerFilterSnapshotsByTab.set(tab.id, {
       showFilter,
       conditions: normalizeViewerFilterConditions(filterConditions),
+      currentPage: pagination.current,
+      pageSize: pagination.pageSize,
+      sortInfo,
+      scrollTop: scrollSnapshotRef.current.top,
+      scrollLeft: scrollSnapshotRef.current.left,
     });
-  }, [tab.id, showFilter, filterConditions]);
+  }, [tab.id, showFilter, filterConditions, pagination.current, pagination.pageSize, sortInfo]);
 
   useEffect(() => {
+    const snapshot = getViewerFilterSnapshot(tab.id);
     setPkColumns([]);
     pkKeyRef.current = '';
     countKeyRef.current = '';
@@ -250,16 +282,29 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
     latestDbNameRef.current = '';
     latestCountSqlRef.current = '';
     latestCountKeyRef.current = '';
+    scrollSnapshotRef.current = { top: snapshot.scrollTop, left: snapshot.scrollLeft };
+    initialLoadRef.current = false;
     setPagination(prev => ({
       ...prev,
-      current: 1,
+      current: snapshot.currentPage,
+      pageSize: snapshot.pageSize,
       total: 0,
       totalKnown: false,
       totalApprox: false,
       totalCountLoading: false,
       totalCountCancelled: false,
     }));
-  }, [tab.connectionId, tab.dbName, tab.tableName]);
+  }, [tab.id, tab.connectionId, tab.dbName, tab.tableName]);
+
+  const handleTableScrollSnapshotChange = useCallback((snapshot: ViewerScrollSnapshot) => {
+    scrollSnapshotRef.current = snapshot;
+    const cached = getViewerFilterSnapshot(tab.id);
+    viewerFilterSnapshotsByTab.set(tab.id, {
+      ...cached,
+      scrollTop: snapshot.top,
+      scrollLeft: snapshot.left,
+    });
+  }, [tab.id]);
 
   const handleDuckDBManualCount = useCallback(async () => {
     if (latestDbTypeRef.current !== 'duckdb') {
@@ -765,8 +810,13 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
   }, [tab.tableName, currentConnConfig?.type, filterConditions, sortInfo, pkColumns]);
 
   useEffect(() => {
-    fetchData(1, pagination.pageSize); 
-  }, [tab, sortInfo, filterConditions]); // Initial load and re-load on sort/filter
+    if (!initialLoadRef.current) {
+      initialLoadRef.current = true;
+      fetchData(pagination.current, pagination.pageSize);
+      return;
+    }
+    fetchData(1, pagination.pageSize);
+  }, [tab.id, tab.connectionId, tab.dbName, tab.tableName, sortInfo, filterConditions]); // Initial load and re-load on sort/filter
 
   return (
     <div style={{ flex: '1 1 auto', minHeight: 0, minWidth: 0, height: '100%', width: '100%', overflow: 'hidden', display: 'flex', flexDirection: 'column' }}>
@@ -792,6 +842,8 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
           readOnly={forceReadOnly}
           sortInfoExternal={sortInfo}
           exportSqlWithFilter={exportSqlWithFilter || undefined}
+          scrollSnapshot={scrollSnapshotRef.current}
+          onScrollSnapshotChange={handleTableScrollSnapshotChange}
       />
     </div>
   );

internal/app/methods_db.go

@@ -416,12 +416,7 @@ func (a *App) DBQueryWithCancel(config connection.ConnectionConfig, dbName strin
 		a.queryMu.Unlock()
 	}()
 
-	lowerQuery := strings.TrimSpace(strings.ToLower(query))
-	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
-	}
+	isReadQuery := isReadOnlySQLQuery(runConfig.Type, query)
 
 	runReadQuery := func(inst db.Database) ([]map[string]interface{}, []string, error) {
 		if q, ok := inst.(interface {
@@ -500,11 +495,7 @@ func (a *App) DBQueryIsolated(config connection.ConnectionConfig, dbName string,
 	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
-	}
+	isReadQuery := isReadOnlySQLQuery(runConfig.Type, query)
 
 	if isReadQuery {
 		var data []map[string]interface{}

internal/app/sql_sanitize.go

@@ -5,6 +5,66 @@ import (
 	"unicode"
 )
 
+func leadingSQLKeyword(query string) string {
+	text := strings.TrimSpace(query)
+	for len(text) > 0 {
+		trimmed := strings.TrimLeft(text, " \t\r\n")
+		if trimmed == "" {
+			return ""
+		}
+		text = trimmed
+
+		switch {
+		case strings.HasPrefix(text, "--"):
+			if idx := strings.IndexByte(text, '\n'); idx >= 0 {
+				text = text[idx+1:]
+				continue
+			}
+			return ""
+		case strings.HasPrefix(text, "#"):
+			if idx := strings.IndexByte(text, '\n'); idx >= 0 {
+				text = text[idx+1:]
+				continue
+			}
+			return ""
+		case strings.HasPrefix(text, "/*"):
+			if idx := strings.Index(text, "*/"); idx >= 0 {
+				text = text[idx+2:]
+				continue
+			}
+			return ""
+		}
+		break
+	}
+
+	if text == "" {
+		return ""
+	}
+	for i, r := range text {
+		if unicode.IsLetter(r) || unicode.IsDigit(r) || r == '_' {
+			continue
+		}
+		if i == 0 {
+			return ""
+		}
+		return strings.ToLower(text[:i])
+	}
+	return strings.ToLower(text)
+}
+
+func isReadOnlySQLQuery(dbType string, query string) bool {
+	if strings.ToLower(strings.TrimSpace(dbType)) == "mongodb" && strings.HasPrefix(strings.TrimSpace(query), "{") {
+		return true
+	}
+
+	switch leadingSQLKeyword(query) {
+	case "select", "with", "show", "describe", "desc", "explain", "pragma", "values":
+		return true
+	default:
+		return false
+	}
+}
+
 func sanitizeSQLForPgLike(dbType string, query string) string {
 	switch strings.ToLower(strings.TrimSpace(dbType)) {
 	case "postgres", "kingbase", "highgo", "vastbase":

internal/db/kingbase_impl.go

@@ -305,10 +305,30 @@ func (k *KingbaseDB) GetColumns(dbName, tableName string) ([]connection.ColumnDe
 		return strings.ReplaceAll(s, "'", "''")
 	}
 
-	query := fmt.Sprintf(`SELECT column_name, data_type, is_nullable, column_default
-		FROM information_schema.columns
-		WHERE table_schema = '%s' AND table_name = '%s'
-		ORDER BY ordinal_position`, esc(schema), esc(table))
+	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 := k.Query(query)
 	if err != nil {
@@ -321,11 +341,21 @@ func (k *KingbaseDB) GetColumns(dbName, tableName string) ([]connection.ColumnDe
 			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 row["column_default"] != nil {
 			def := fmt.Sprintf("%v", row["column_default"])
 			col.Default = &def
+			if strings.HasPrefix(strings.ToLower(strings.TrimSpace(def)), "nextval(") {
+				col.Extra = "auto_increment"
+			}
+		}
+
+		if v, ok := row["comment"]; ok && v != nil {
+			col.Comment = fmt.Sprintf("%v", v)
 		}
 
 		columns = append(columns, col)
@@ -347,10 +377,30 @@ func (k *KingbaseDB) getColumnsWithCurrentSchema(tableName string) ([]connection
 	}
 
 	// 使用 current_schema() 获取当前schema
-	query := fmt.Sprintf(`SELECT column_name, data_type, is_nullable, column_default
-		FROM information_schema.columns
-		WHERE table_schema = current_schema() AND table_name = '%s'
-		ORDER BY ordinal_position`, esc(table))
+	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 = current_schema()
+	AND c.relname = '%s'
+	AND a.attnum > 0
+	AND NOT a.attisdropped
+ORDER BY a.attnum`, esc(table))
 
 	data, _, err := k.Query(query)
 	if err != nil {
@@ -363,11 +413,21 @@ func (k *KingbaseDB) getColumnsWithCurrentSchema(tableName string) ([]connection
 			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 row["column_default"] != nil {
 			def := fmt.Sprintf("%v", row["column_default"])
 			col.Default = &def
+			if strings.HasPrefix(strings.ToLower(strings.TrimSpace(def)), "nextval(") {
+				col.Extra = "auto_increment"
+			}
+		}
+
+		if v, ok := row["comment"]; ok && v != nil {
+			col.Comment = fmt.Sprintf("%v", v)
 		}
 
 		columns = append(columns, col)
@@ -650,7 +710,7 @@ func (k *KingbaseDB) ApplyChanges(tableName string, changes connection.ChangeSet
 		}
 		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)
+			return fmt.Errorf("delete error: %v; sql=%s", err, query)
 		}
 	}
 
@@ -683,7 +743,7 @@ func (k *KingbaseDB) ApplyChanges(tableName string, changes connection.ChangeSet
 
 		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)
+			return fmt.Errorf("update error: %v; sql=%s", err, query)
 		}
 	}
 
@@ -707,7 +767,7 @@ func (k *KingbaseDB) ApplyChanges(tableName string, changes connection.ChangeSet
 
 		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 fmt.Errorf("insert error: %v; sql=%s", err, query)
 		}
 	}
 

internal/db/query_value.go

@@ -1,4 +1,4 @@
-package db
+package db
 
 import (
 	"encoding/hex"
@@ -31,12 +31,44 @@ func normalizeQueryValue(v interface{}) interface{} {
 }
 
 func normalizeQueryValueWithDBType(v interface{}, databaseTypeName string) interface{} {
+	if tm, ok := v.(time.Time); ok {
+		return normalizeTemporalValueForDisplay(tm, databaseTypeName)
+	}
 	if b, ok := v.([]byte); ok {
 		return bytesToDisplayValue(b, databaseTypeName)
 	}
 	return normalizeCompositeQueryValue(v)
 }
 
+func normalizeTemporalValueForDisplay(value time.Time, databaseTypeName string) interface{} {
+	if value.IsZero() {
+		if zeroValue, ok := zeroTemporalDisplayValue(databaseTypeName); ok {
+			return zeroValue
+		}
+	}
+	return value.Format(time.RFC3339Nano)
+}
+
+func zeroTemporalDisplayValue(databaseTypeName string) (string, bool) {
+	typeName := strings.ToUpper(strings.TrimSpace(databaseTypeName))
+	if typeName == "" {
+		return "0000-00-00 00:00:00", true
+	}
+
+	switch {
+	case strings.Contains(typeName, "TIMESTAMP") || strings.Contains(typeName, "DATETIME"):
+		return "0000-00-00 00:00:00", true
+	case typeName == "DATE" || typeName == "NEWDATE":
+		return "0000-00-00", true
+	case strings.Contains(typeName, "TIME"):
+		return "00:00:00", true
+	case strings.Contains(typeName, "YEAR"):
+		return "0000", true
+	default:
+		return "", false
+	}
+}
+
 func normalizeCompositeQueryValue(v interface{}) interface{} {
 	if v == nil {
 		return nil
@@ -91,7 +123,7 @@ func normalizeCompositeQueryValue(v interface{}) interface{} {
 		// 部分驱动（如 Kingbase）会返回复杂结构体值，直接透传会导致前端渲染和比较开销激增。
 		// 统一降级为可读字符串，避免对象深层序列化触发 UI 卡顿。
 		if tm, ok := v.(time.Time); ok {
-			return tm.Format(time.RFC3339Nano)
+			return normalizeTemporalValueForDisplay(tm, "")
 		}
 		if stringer, ok := v.(fmt.Stringer); ok {
 			return stringer.String()

internal/db/query_value_test.go

@@ -195,3 +195,33 @@ func TestNormalizeQueryValueWithDBType_TimeStructToRFC3339(t *testing.T) {
 		t.Fatalf("time.Time 规整值异常，实际=%s", text)
 	}
 }
+
+func TestNormalizeQueryValueWithDBType_ZeroTemporalValues(t *testing.T) {
+	zero := time.Time{}
+	cases := []struct {
+		name     string
+		dbType   string
+		wantText string
+	}{
+		{name: "date", dbType: "DATE", wantText: "0000-00-00"},
+		{name: "newdate", dbType: "NEWDATE", wantText: "0000-00-00"},
+		{name: "datetime", dbType: "DATETIME", wantText: "0000-00-00 00:00:00"},
+		{name: "timestamp", dbType: "TIMESTAMP", wantText: "0000-00-00 00:00:00"},
+		{name: "time", dbType: "TIME", wantText: "00:00:00"},
+		{name: "year", dbType: "YEAR", wantText: "0000"},
+		{name: "unknown", dbType: "", wantText: "0000-00-00 00:00:00"},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			got := normalizeQueryValueWithDBType(zero, tc.dbType)
+			text, ok := got.(string)
+			if !ok {
+				t.Fatalf("期望 string，实际=%v(%T)", got, got)
+			}
+			if text != tc.wantText {
+				t.Fatalf("dbType=%s 期望=%s，实际=%s", tc.dbType, tc.wantText, text)
+			}
+		})
+	}
+}