mirror of
https://github.com/Syngnat/GoNavi.git
synced 2026-06-25 16:04:02 +08:00
a74065bdbb
- 存储层：JSONL 单连接单文件，5MB 自动滚动，TopN 排序 + SQL 指纹去重 - 执行埋点：DBQueryMulti 用 named return + defer 异步记录，成功后自动写入历史 - 阈值过滤：默认 500ms 以下查询跳过记录，避免历史爆炸 - 查询入口：GetSlowQueries 按 duration/rowsRead/recent 排序，ClearSlowQueries 支持清空 - SQL 指纹：字面量/大小写归一化后 sha256，同模板不同参数视为同一查询 - 测试覆盖：新增 13 个单元测试覆盖存储/滚动/排序/去重/指纹
72 lines
2.7 KiB
Go
72 lines
2.7 KiB
Go
package app
|
||
|
||
import (
|
||
"strings"
|
||
|
||
"GoNavi-Wails/internal/connection"
|
||
"GoNavi-Wails/internal/logger"
|
||
)
|
||
|
||
// 慢 SQL 历史的 Wails 绑定入口。
|
||
//
|
||
// 前端调用：
|
||
// - GetSlowQueries(connectionId, dbName, sortBy, limit) → []QueryExecutionRecord
|
||
// - ClearSlowQueries(connectionId, dbName) → 错误（清空当前连接的历史）
|
||
//
|
||
// sortBy: "duration" | "rowsRead" | "recent"
|
||
|
||
// 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。
|
||
// limit <= 0 时返回前 100 条。
|
||
func (a *App) GetSlowQueries(config connection.ConnectionConfig, dbName, sortBy string, limit int) connection.QueryResult {
|
||
runConfig := normalizeRunConfig(config, dbName)
|
||
connFP, ok := buildConnectionFingerprint(runConfig)
|
||
if !ok || connFP == "" {
|
||
return connection.QueryResult{Success: false, Message: "无法解析连接指纹"}
|
||
}
|
||
|
||
if limit <= 0 {
|
||
limit = 100
|
||
}
|
||
store := newQueryHistoryStore(a.configDir, connFP)
|
||
records, err := store.LoadTopN(strings.TrimSpace(sortBy), limit, true)
|
||
if err != nil {
|
||
logger.Warnf("GetSlowQueries 加载失败：connFp=%s err=%v", connFP, err)
|
||
return connection.QueryResult{Success: false, Message: err.Error()}
|
||
}
|
||
return connection.QueryResult{Success: true, Message: "加载完成", Data: records}
|
||
}
|
||
|
||
// ClearSlowQueries 清空当前连接的慢 SQL 历史。
|
||
// 删除主文件 + rotate 文件（.1）。
|
||
func (a *App) ClearSlowQueries(config connection.ConnectionConfig, dbName string) connection.QueryResult {
|
||
runConfig := normalizeRunConfig(config, dbName)
|
||
connFP, ok := buildConnectionFingerprint(runConfig)
|
||
if !ok || connFP == "" {
|
||
return connection.QueryResult{Success: false, Message: "无法解析连接指纹"}
|
||
}
|
||
store := newQueryHistoryStore(a.configDir, connFP)
|
||
if err := store.Clear(); err != nil {
|
||
logger.Warnf("ClearSlowQueries 失败：connFp=%s err=%v", connFP, err)
|
||
return connection.QueryResult{Success: false, Message: err.Error()}
|
||
}
|
||
return connection.QueryResult{Success: true, Message: "已清空慢查询历史"}
|
||
}
|
||
|
||
// recordQueryExecutionAsync 异步追加一条慢查询记录，不阻塞主查询返回。
|
||
// 调用方应传入已计算的 durationMs 和 rowsRead/Returned。
|
||
func (a *App) recordQueryExecutionAsync(config connection.ConnectionConfig, dbType, sql string, durationMs, rowsRead, rowsReturned int64) {
|
||
if durationMs < queryHistorySlowThresholdMs {
|
||
return
|
||
}
|
||
record := buildQueryExecutionRecord(config, dbType, sql, durationMs, rowsRead, rowsReturned)
|
||
go func() {
|
||
defer func() {
|
||
if r := recover(); r != nil {
|
||
logger.Warnf("recordQueryExecutionAsync panic：%v", r)
|
||
}
|
||
}()
|
||
store := newQueryHistoryStore(a.configDir, record.ConnectionFP)
|
||
store.Append(record)
|
||
}()
|
||
}
|