zhangstar333 commented on a change in pull request #8614:
URL: https://github.com/apache/incubator-doris/pull/8614#discussion_r841029836
##########
File path: be/src/vec/functions/function_cast.h
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@@ -803,6 +804,56 @@ struct ConvertThroughParsing {
}
};
+//convert string to bitmap or hll type
+template <typename FromDataType, typename ToDataType, typename Name>
+struct ConvertToComplex {
+ static_assert(std::is_same_v<FromDataType, DataTypeString>,
+ "ConvertToComplex is only applicable for String or
FixedString data types");
+
+ using ToFieldType = typename ToDataType::FieldType;
+ using ColVecTo = ColumnComplexType<ToFieldType>;
+
+ template <typename Additions = void*>
Review comment:
done
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