/
plugin.go
87 lines (72 loc) · 2.3 KB
/
plugin.go
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package mysqlx
import (
"github.com/chenxinqun/ginWarpPkg/httpx/mux"
"github.com/chenxinqun/ginWarpPkg/httpx/trace"
"time"
"github.com/chenxinqun/ginWarpPkg/timex"
"gorm.io/gorm"
"gorm.io/gorm/utils"
)
const (
callBackBeforeName = "mux:before"
callBackAfterName = "mux:after"
startTime = "_start_time"
)
type TracePlugin struct{}
func (op *TracePlugin) Name() string {
return "tracePlugin"
}
func (op *TracePlugin) Initialize(db *gorm.DB) (err error) {
// 开始前
_ = db.Callback().Create().Before("gorm:before_create").Register(callBackBeforeName, before)
_ = db.Callback().Query().Before("gorm:query").Register(callBackBeforeName, before)
_ = db.Callback().Delete().Before("gorm:before_delete").Register(callBackBeforeName, before)
_ = db.Callback().Update().Before("gorm:setup_reflect_value").Register(callBackBeforeName, before)
_ = db.Callback().Row().Before("gorm:row").Register(callBackBeforeName, before)
_ = db.Callback().Raw().Before("gorm:raw").Register(callBackBeforeName, before)
// 结束后
_ = db.Callback().Create().After("gorm:after_create").Register(callBackAfterName, after)
_ = db.Callback().Query().After("gorm:after_query").Register(callBackAfterName, after)
_ = db.Callback().Delete().After("gorm:after_delete").Register(callBackAfterName, after)
_ = db.Callback().Update().After("gorm:after_update").Register(callBackAfterName, after)
_ = db.Callback().Row().After("gorm:row").Register(callBackAfterName, after)
_ = db.Callback().Raw().After("gorm:raw").Register(callBackAfterName, after)
return
}
var _ gorm.Plugin = &TracePlugin{}
func before(db *gorm.DB) {
db.InstanceSet(startTime, time.Now())
return
}
func after(db *gorm.DB) {
_ctx := db.Statement.Context
ctx, ok := _ctx.(mux.StdContext)
if !ok {
return
}
// 关闭
defer func() {
if ok {
if ctx.Cancel != nil {
ctx.Cancel()
}
}
}()
_ts, isExist := db.InstanceGet(startTime)
if !isExist {
return
}
ts, ok := _ts.(time.Time)
if !ok {
return
}
sql := db.Dialector.Explain(db.Statement.SQL.String(), db.Statement.Vars...)
sqlInfo := new(trace.SQL)
sqlInfo.Timestamp = timex.CSTLayoutString()
sqlInfo.SQL = sql
sqlInfo.Stack = utils.FileWithLineNum()
sqlInfo.Rows = db.Statement.RowsAffected
sqlInfo.CostSeconds = time.Since(ts).Seconds()
ctx.Trace.AppendSQL(sqlInfo)
return
}