HappenLee commented on code in PR #17456:
URL: https://github.com/apache/doris/pull/17456#discussion_r1128929456
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be/src/vec/functions/function_bitmap_variadic.cpp:
##########
@@ -113,13 +197,27 @@ class FunctionBitMapVariadic : public IFunction {
std::conditional_t<is_complex_v<ResultType>,
ColumnComplexType<ResultType>,
ColumnVector<ResultType>>;
typename ColVecResult::MutablePtr col_res = nullptr;
+
+ typename ColumnUInt8::MutablePtr col_res_nulls;
+ auto& result_info = block.get_by_position(result);
+ // special case for bitmap_or and bitmap_or_count
+ if (!use_default_implementation_for_nulls() &&
result_info.type->is_nullable()) {
+ col_res_nulls = ColumnUInt8::create(input_rows_count);
Review Comment:
```col_res_nulls = ColumnUInt8::create(input_rows_count, false);```
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