less type covert call (pingcap#7102)

cqlxcnp · Jul 19, 2018 · eeb08a9 · eeb08a9
1 parent 6663f63
commit eeb08a9
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/expression/aggregation/concat.go b/expression/aggregation/concat.go
@@ -66,7 +66,7 @@ func (cf *concatFunction) Update(evalCtx *AggEvaluateContext, sc *stmtctx.Statem
 		if err != nil {
 			return errors.Trace(err)
 		}
-		if value.GetValue() == nil {
+		if value.IsNull() {
 			return nil
 		}
 		datumBuf = append(datumBuf, value)

diff --git a/expression/aggregation/count.go b/expression/aggregation/count.go
@@ -34,7 +34,7 @@ func (cf *countFunction) Update(evalCtx *AggEvaluateContext, sc *stmtctx.Stateme
 		if err != nil {
 			return errors.Trace(err)
 		}
-		if value.GetValue() == nil {
+		if value.IsNull() {
 			return nil
 		}
 		if cf.Mode == FinalMode || cf.Mode == Partial2Mode {