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72 lines
2.8 KiB
Go
72 lines
2.8 KiB
Go
package app
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import (
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"strings"
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"GoNavi-Wails/internal/connection"
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"GoNavi-Wails/internal/logger"
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)
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// 慢 SQL 历史的 Wails 绑定入口。
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//
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// 前端调用：
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// - GetSlowQueries(connectionId, dbName, sortBy, limit) → []QueryExecutionRecord
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// - ClearSlowQueries(connectionId, dbName) → 错误（清空当前连接的历史）
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//
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// sortBy: "duration" | "rowsRead" | "recent"
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// GetSlowQueries 返回当前连接的慢 SQL 历史，按指定字段排序、SQL 指纹去重后取前 N。
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// limit <= 0 时返回前 100 条。
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func (a *App) GetSlowQueries(config connection.ConnectionConfig, dbName, sortBy string, limit int) connection.QueryResult {
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runConfig := normalizeRunConfig(config, dbName)
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connFP, ok := buildConnectionFingerprint(runConfig)
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if !ok || connFP == "" {
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return connection.QueryResult{Success: false, Message: a.appText("query_history.backend.error.connection_fingerprint_invalid", nil)}
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}
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if limit <= 0 {
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limit = 100
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}
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store := newQueryHistoryStore(a.configDir, connFP)
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records, err := store.LoadTopN(strings.TrimSpace(sortBy), limit, true)
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if err != nil {
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logger.Warnf("GetSlowQueries 加载失败：connFp=%s err=%v", connFP, err)
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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: a.appText("query_history.backend.message.loaded", nil), Data: records}
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}
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// ClearSlowQueries 清空当前连接的慢 SQL 历史。
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// 删除主文件 + rotate 文件（.1）。
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func (a *App) ClearSlowQueries(config connection.ConnectionConfig, dbName string) connection.QueryResult {
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runConfig := normalizeRunConfig(config, dbName)
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connFP, ok := buildConnectionFingerprint(runConfig)
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if !ok || connFP == "" {
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return connection.QueryResult{Success: false, Message: a.appText("query_history.backend.error.connection_fingerprint_invalid", nil)}
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}
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store := newQueryHistoryStore(a.configDir, connFP)
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if err := store.Clear(); err != nil {
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logger.Warnf("ClearSlowQueries 失败：connFp=%s err=%v", connFP, err)
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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: a.appText("query_history.backend.message.cleared", nil)}
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}
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// recordQueryExecutionAsync 异步追加一条慢查询记录，不阻塞主查询返回。
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// 调用方应传入已计算的 durationMs 和 rowsRead/Returned。
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func (a *App) recordQueryExecutionAsync(config connection.ConnectionConfig, dbType, sql string, durationMs, rowsRead, rowsReturned int64) {
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if durationMs < queryHistorySlowThresholdMs {
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return
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}
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record := buildQueryExecutionRecord(config, dbType, sql, durationMs, rowsRead, rowsReturned)
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go func() {
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defer func() {
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if r := recover(); r != nil {
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logger.Warnf("recordQueryExecutionAsync panic：%v", r)
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}
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}()
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store := newQueryHistoryStore(a.configDir, record.ConnectionFP)
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store.Append(record)
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}()
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}
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