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✨ feat(frontend): 升级 DataGrid 组件并引入高性能拖拽交互
- 实现基于原生 DOM 事件的零渲染列宽拖拽，彻底解决卡顿与误触排序问题 - 查询编辑器集成 DataGrid，支持 SQL 结果直接编辑与事务提交 - 侧边栏新增上下文感知的 "新建查询" 快捷入口 - 优化 TabManager 渲染逻辑与全局布局，消除不必要的滚动条
This commit is contained in:
杨国锋
263
internal/app/methods_db.go
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263
internal/app/methods_db.go
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package app
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import (
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"fmt"
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"strings"
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"GoNavi-Wails/internal/connection"
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)
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// Generic DB Methods
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func (a *App) DBConnect(config connection.ConnectionConfig) connection.QueryResult {
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key := getCacheKey(config)
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// Use an anonymous function to scope the lock
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func() {
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a.mu.Lock()
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defer a.mu.Unlock()
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if oldDB, ok := a.dbCache[key]; ok {
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oldDB.Close()
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delete(a.dbCache, key)
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}
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}()
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// getDatabase acquires the lock internally, so we must be unlocked here
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_, err := a.getDatabase(config)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Message: "Connected successfully"}
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}
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func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string) connection.QueryResult {
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runConfig := config
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runConfig.Database = ""
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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query := fmt.Sprintf("CREATE DATABASE `%%s` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci", dbName)
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if runConfig.Type == "postgres" {
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query = fmt.Sprintf("CREATE DATABASE \"%%s\"", dbName)
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}
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_, err = dbInst.Exec(query)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Message: "Database created successfully"}
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}
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func (a *App) MySQLConnect(config connection.ConnectionConfig) connection.QueryResult {
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config.Type = "mysql"
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return a.DBConnect(config)
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}
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func (a *App) MySQLQuery(config connection.ConnectionConfig, dbName string, query string) connection.QueryResult {
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config.Type = "mysql"
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return a.DBQuery(config, dbName, query)
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}
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func (a *App) MySQLGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
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config.Type = "mysql"
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return a.DBGetDatabases(config)
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}
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func (a *App) MySQLGetTables(config connection.ConnectionConfig, dbName string) connection.QueryResult {
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config.Type = "mysql"
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return a.DBGetTables(config, dbName)
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}
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func (a *App) MySQLShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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config.Type = "mysql"
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return a.DBShowCreateTable(config, dbName, tableName)
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}
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func (a *App) DBQuery(config connection.ConnectionConfig, dbName string, query string) connection.QueryResult {
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runConfig := config
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if dbName != "" {
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runConfig.Database = dbName
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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lowerQuery := strings.TrimSpace(strings.ToLower(query))
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if strings.HasPrefix(lowerQuery, "select") || strings.HasPrefix(lowerQuery, "show") || strings.HasPrefix(lowerQuery, "describe") || strings.HasPrefix(lowerQuery, "explain") {
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data, columns, err := dbInst.Query(query)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Data: data, Fields: columns}
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} else {
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affected, err := dbInst.Exec(query)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Data: map[string]int64{"affectedRows": affected}}
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}
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}
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func (a *App) DBGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
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dbInst, err := a.getDatabase(config)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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dbs, err := dbInst.GetDatabases()
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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var resData []map[string]string
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for _, name := range dbs {
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resData = append(resData, map[string]string{"Database": name})
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}
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return connection.QueryResult{Success: true, Data: resData}
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}
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func (a *App) DBGetTables(config connection.ConnectionConfig, dbName string) connection.QueryResult {
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runConfig := config
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if dbName != "" {
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runConfig.Database = dbName
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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tables, err := dbInst.GetTables(dbName)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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var resData []map[string]string
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for _, name := range tables {
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resData = append(resData, map[string]string{"Table": name})
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}
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return connection.QueryResult{Success: true, Data: resData}
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}
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func (a *App) DBShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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runConfig := config
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if dbName != "" {
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runConfig.Database = dbName
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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sqlStr, err := dbInst.GetCreateStatement(dbName, tableName)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Data: sqlStr}
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}
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func (a *App) DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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runConfig := config
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if dbName != "" {
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runConfig.Database = dbName
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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columns, err := dbInst.GetColumns(dbName, tableName)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Data: columns}
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}
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func (a *App) DBGetIndexes(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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runConfig := config
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if dbName != "" {
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runConfig.Database = dbName
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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indexes, err := dbInst.GetIndexes(dbName, tableName)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Data: indexes}
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}
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func (a *App) DBGetForeignKeys(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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runConfig := config
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if dbName != "" {
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runConfig.Database = dbName
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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fks, err := dbInst.GetForeignKeys(dbName, tableName)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Data: fks}
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}
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func (a *App) DBGetTriggers(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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runConfig := config
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if dbName != "" {
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runConfig.Database = dbName
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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triggers, err := dbInst.GetTriggers(dbName, tableName)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Data: triggers}
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}
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func (a *App) DBGetAllColumns(config connection.ConnectionConfig, dbName string) connection.QueryResult {
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runConfig := config
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if dbName != "" {
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runConfig.Database = dbName
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}
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dbInst, err := a.getDatabase(runConfig)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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cols, err := dbInst.GetAllColumns(dbName)
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if err != nil {
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return connection.QueryResult{Success: false, Message: err.Error()}
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}
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return connection.QueryResult{Success: true, Data: cols}
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}
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