address comment

pingcap · Dec 2, 2021 · 444d8c2 · 444d8c2
1 parent 05a9528
commit 444d8c2
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/util/chunk/mutrow.go b/util/chunk/mutrow.go
@@ -215,7 +215,7 @@ func cleanColOfMutRow(col *Column) {
  for i := range col.offsets {
  col.offsets[i] = 0
  }
- col.nullBitmap[0] = 1
+ col.nullBitmap[0] = 0
 }
 
 // SetRow sets the MutRow with Row.
@@ -224,7 +224,6 @@ func (mr MutRow) SetRow(row Row) {
  mrCol := mr.c.columns[colIdx]
  cleanColOfMutRow(mrCol)
  if rCol.IsNull(row.idx) {
- mrCol.nullBitmap[0] = 0
  continue
  }
  elemLen := len(rCol.elemBuf)
@@ -249,7 +248,6 @@ func (mr MutRow) SetValue(colIdx int, val interface{}) {
  col := mr.c.columns[colIdx]
  cleanColOfMutRow(col)
  if val == nil {
- col.nullBitmap[0] = 0
  return
  }
  switch x := val.(type) {
@@ -297,7 +295,6 @@ func (mr MutRow) SetDatum(colIdx int, d types.Datum) {
  col := mr.c.columns[colIdx]
  cleanColOfMutRow(col)
  if d.IsNull() {
- col.nullBitmap[0] = 0
  return
  }
  switch d.Kind() {