expression: avoid slicesgrow in the PushDownExprsWithExtraInfo

Signed-off-by: Weizhen Wang <[email protected]>
pingcap · Feb 17, 2025 · 64223f8 · 64223f8
1 parent d5cc7da
commit 64223f8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pkg/expression/infer_pushdown.go b/pkg/expression/infer_pushdown.go
@@ -523,6 +523,8 @@ func (ctx PushDownContext) AppendWarning(err error) {
 
 // PushDownExprsWithExtraInfo split the input exprs into pushed and remained, pushed include all the exprs that can be pushed down
 func PushDownExprsWithExtraInfo(ctx PushDownContext, exprs []Expression, storeType kv.StoreType, canEnumPush bool) (pushed []Expression, remained []Expression) {
+	pushed = make([]Expression, 0, len(exprs))
+	remained = make([]Expression, 0, len(exprs))
 	for _, expr := range exprs {
 		if canExprPushDown(ctx, expr, storeType, canEnumPush) {
 			pushed = append(pushed, expr)