statistics, store: tidy local variable (#9679)

2019-03-13 10:34:19 +08:00
parent 52b7bfda0e
commit aef66b2435
2 changed files with 3 additions and 3 deletions
--- a/store/tikv/backoff.go
+++ b/store/tikv/backoff.go
@ -231,7 +231,7 @@ func (b *Backoffer) Backoff(typ backoffType, err error) error {
 	b.totalSleep += f(b.ctx)
 	b.types = append(b.types, typ)

-	var startTs interface{} = ""
+	var startTs interface{}
 	if ts := b.ctx.Value(txnStartKey); ts != nil {
 		startTs = ts
 	}