tech: added sql logger to log all sql statements sent to sql server

pkg/services/sqlstore/logger.go

+package sqlstore
+
+import (
+	"fmt"
+
+	glog "github.com/grafana/grafana/pkg/log"
+
+	"github.com/go-xorm/core"
+)
+
+type XormLogger struct {
+	grafanaLog glog.Logger
+	level      glog.Lvl
+	showSQL    bool
+}
+
+func NewXormLogger(level glog.Lvl, grafanaLog glog.Logger) *XormLogger {
+	return &XormLogger{
+		grafanaLog: grafanaLog,
+		level:      level,
+		showSQL:    true,
+	}
+}
+
+// Error implement core.ILogger
+func (s *XormLogger) Err(v ...interface{}) error {
+	if s.level <= glog.LvlError {
+		s.grafanaLog.Error(fmt.Sprint(v...))
+	}
+	return nil
+}
+
+// Errorf implement core.ILogger
+func (s *XormLogger) Errf(format string, v ...interface{}) error {
+	if s.level <= glog.LvlError {
+		s.grafanaLog.Error(fmt.Sprintf(format, v...))
+	}
+	return nil
+}
+
+// Debug implement core.ILogger
+func (s *XormLogger) Debug(v ...interface{}) error {
+	if s.level <= glog.LvlDebug {
+		s.grafanaLog.Debug(fmt.Sprint(v...))
+	}
+	return nil
+}
+
+// Debugf implement core.ILogger
+func (s *XormLogger) Debugf(format string, v ...interface{}) error {
+	if s.level <= glog.LvlDebug {
+		s.grafanaLog.Debug(fmt.Sprintf(format, v...))
+	}
+	return nil
+}
+
+// Info implement core.ILogger
+func (s *XormLogger) Info(v ...interface{}) error {
+	if s.level <= glog.LvlInfo {
+		s.grafanaLog.Info(fmt.Sprint(v...))
+	}
+	return nil
+}
+
+// Infof implement core.ILogger
+func (s *XormLogger) Infof(format string, v ...interface{}) error {
+	if s.level <= glog.LvlInfo {
+		s.grafanaLog.Info(fmt.Sprintf(format, v...))
+	}
+	return nil
+}
+
+// Warn implement core.ILogger
+func (s *XormLogger) Warning(v ...interface{}) error {
+	if s.level <= glog.LvlWarn {
+		s.grafanaLog.Warn(fmt.Sprint(v...))
+	}
+	return nil
+}
+
+// Warnf implement core.ILogger
+func (s *XormLogger) Warningf(format string, v ...interface{}) error {
+	if s.level <= glog.LvlWarn {
+		s.grafanaLog.Warn(fmt.Sprintf(format, v...))
+	}
+	return nil
+}
+
+// Level implement core.ILogger
+func (s *XormLogger) Level() core.LogLevel {
+	switch s.level {
+	case glog.LvlError:
+		return core.LOG_ERR
+	case glog.LvlWarn:
+		return core.LOG_WARNING
+	case glog.LvlInfo:
+		return core.LOG_INFO
+	case glog.LvlDebug:
+		return core.LOG_DEBUG
+	default:
+		return core.LOG_ERR
+	}
+}
+
+// SetLevel implement core.ILogger
+func (s *XormLogger) SetLevel(l core.LogLevel) error {
+	return nil
+}
+
+// ShowSQL implement core.ILogger
+func (s *XormLogger) ShowSQL(show ...bool) {
+	s.grafanaLog.Error("ShowSQL", "show", "show")
+	if len(show) == 0 {
+		s.showSQL = true
+		return
+	}
+	s.showSQL = show[0]
+}
+
+// IsShowSQL implement core.ILogger
+func (s *XormLogger) IsShowSQL() bool {
+	return s.showSQL
+}

pkg/services/sqlstore/sqlstore.go

@@ -160,6 +160,9 @@ func getEngine() (*xorm.Engine, error) {
 		engine.SetMaxConns(DbCfg.MaxConn)
 		engine.SetMaxOpenConns(DbCfg.MaxOpenConn)
 		engine.SetMaxIdleConns(DbCfg.MaxIdleConn)
+		// engine.SetLogger(NewXormLogger(log.LvlInfo, log.New("sqlstore.xorm")))
+		// engine.ShowSQL = true
+		// engine.ShowInfo = true
 	}
 	return engine, nil
 }