metric: record prepare execute fail as "Failed Query OPM" in monitor (#…

…22596) (#22672)
pingcap · Mar 7, 2021 · 31fd1f3 · 31fd1f3
1 parent 649d0e0
commit 31fd1f3
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/server/conn_stmt.go b/server/conn_stmt.go
@@ -46,6 +46,7 @@ import (
 	"github.com/pingcap/errors"
 	"github.com/pingcap/parser/mysql"
 	"github.com/pingcap/parser/terror"
+	"github.com/pingcap/tidb/metrics"
 	plannercore "github.com/pingcap/tidb/planner/core"
 	"github.com/pingcap/tidb/sessionctx/stmtctx"
 	"github.com/pingcap/tidb/types"
@@ -112,6 +113,11 @@ func (cc *clientConn) handleStmtPrepare(ctx context.Context, sql string) error {
 
 func (cc *clientConn) handleStmtExecute(ctx context.Context, data []byte) (err error) {
 	defer trace.StartRegion(ctx, "HandleStmtExecute").End()
+	defer func() {
+		if err != nil {
+			metrics.ExecuteErrorCounter.WithLabelValues(metrics.ExecuteErrorToLabel(err)).Inc()
+		}
+	}()
 	if len(data) < 9 {
 		return mysql.ErrMalformPacket
 	}