eldenmoon commented on code in PR #40573:
URL: https://github.com/apache/doris/pull/40573#discussion_r1795173940
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be/src/vec/data_types/data_type.h:
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@@ -116,6 +117,14 @@ class IDataType : private boost::noncopyable {
virtual Field get_field(const TExprNode& node) const = 0;
+ // Return Field which wrapped with the real type.
+ virtual Field get_type_field(const IColumn& column, int row) const {
+ Field field;
+ column.get(row, field);
+ field.set_type_info(get_type_id());
Review Comment:
it's slow for calling virtual functions
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