yiguolei commented on code in PR #25007:
URL: https://github.com/apache/doris/pull/25007#discussion_r1349672809
##########
be/src/vec/columns/column_nullable.cpp:
##########
@@ -362,8 +362,14 @@ Status ColumnNullable::filter_by_selector(const uint16_t*
sel, size_t sel_size,
ColumnPtr null_map_ptr = nullable_col_ptr->null_map;
RETURN_IF_ERROR(get_nested_column().filter_by_selector(
sel, sel_size,
const_cast<doris::vectorized::IColumn*>(nest_col_ptr.get())));
- RETURN_IF_ERROR(get_null_map_column().filter_by_selector(
- sel, sel_size,
const_cast<doris::vectorized::IColumn*>(null_map_ptr.get())));
+ //insert cur nullmap into result nullmap which is empty
+ auto& res_nullmap = reinterpret_cast<vectorized::ColumnVector<UInt8>*>(
+
const_cast<doris::vectorized::IColumn*>(null_map_ptr.get()))
+ ->get_data();
+ DCHECK(res_nullmap.empty());
+ for (size_t i = 0; i < sel_size; i++) {
+ res_nullmap[i] = get_null_map_data()[i];
Review Comment:
maybe not right??
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