executor: avoid very slow structure to interface type converation (pi…

…ngcap#7121)
cqlxcnp · Jul 23, 2018 · ebfbe09 · ebfbe09
1 parent 3971357
commit ebfbe09
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/executor/aggfuncs/func_count.go b/executor/aggfuncs/func_count.go
@@ -41,7 +41,7 @@ func (e *countOriginal4Int) UpdatePartialResult(sctx sessionctx.Context, rowsInG
 	p := (*partialResult4Count)(pr)
 
 	for _, row := range rowsInGroup {
-		_, isNull, err := e.args[0].EvalInt(sctx, row)
+		_, isNull, err := e.args[0].EvalInt(sctx, &row)
 		if err != nil {
 			return errors.Trace(err)
 		}