xy720 commented on code in PR #16776:
URL: https://github.com/apache/doris/pull/16776#discussion_r1106747039
##########
be/src/vec/data_types/data_type_map.cpp:
##########
@@ -21,13 +21,22 @@
#include "vec/columns/column_array.h"
#include "vec/columns/column_map.h"
#include "vec/common/assert_cast.h"
-#include "vec/data_types/data_type_factory.hpp"
+#include "vec/data_types/data_type_array.h"
+#include "vec/data_types/data_type_nullable.h"
namespace doris::vectorized {
DataTypeMap::DataTypeMap(const DataTypePtr& keys_, const DataTypePtr& values_)
{
- key_type = keys_;
- value_type = values_;
+ if (!keys_->is_nullable()) {
Review Comment:
use make_nullable directly here
##########
be/src/vec/data_types/data_type_factory.cpp:
##########
@@ -170,8 +170,8 @@ DataTypePtr DataTypeFactory::create_data_type(const
TypeDescriptor& col_desc, bo
case TYPE_MAP:
DCHECK(col_desc.children.size() == 2);
nested = std::make_shared<vectorized::DataTypeMap>(
- create_data_type(col_desc.children[0],
col_desc.contains_nulls[0]),
- create_data_type(col_desc.children[1],
col_desc.contains_nulls[1]));
+ create_data_type(col_desc.children[0], false),
Review Comment:
Why false? It seems should be true
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