fix build

Signed-off-by: xufei <[email protected]>
pingcap · Nov 11, 2024 · 73234e2 · 73234e2
1 parent bc9846b
commit 73234e2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/pkg/util/chunk/chunk_util.go b/pkg/util/chunk/chunk_util.go
@@ -341,7 +341,7 @@ func (helper *ColumnSwapHelper) mergeInputIdxToOutputIdxes(input *Chunk, inputId
 	originalDJSet := disjointset.NewSet[int](4)
 	flag := make([]bool, input.NumCols())
 	// Detect self column-references inside the input chunk by comparing column addresses
-	for i := 0; i < input.NumCols(); i++ {
+	for i := range input.NumCols() {
 		if flag[i] {
 			continue
 		}
@@ -368,6 +368,7 @@ func (helper *ColumnSwapHelper) mergeInputIdxToOutputIdxes(input *Chunk, inputId
 	helper.mergedInputIdxToOutputIdxes.CompareAndSwap(nil, &newInputIdxToOutputIdxes)
 }
 
+// NewColumnSwapHelper creates a new ColumnSwapHelper.
 func NewColumnSwapHelper(usedColumnIndex []int) *ColumnSwapHelper {
 	helper := &ColumnSwapHelper{InputIdxToOutputIdxes: make(map[int][]int)}
 	for outputIndex, inputIndex := range usedColumnIndex {