amorynan commented on code in PR #47890:
URL: https://github.com/apache/doris/pull/47890#discussion_r1959790651
##########
be/src/vec/functions/function_cast.h:
##########
@@ -1950,9 +1950,35 @@ class FunctionCast final : public IFunctionBase {
const auto& col_with_type_and_name =
block.get_by_position(arguments[0]);
auto& from_type = col_with_type_and_name.type;
auto& col_from = col_with_type_and_name.column;
- // set variant root column/type to from column/type
auto variant = ColumnObject::create(true /*always nullable*/);
- variant->create_root(from_type, col_from->assume_mutable());
+ // set variant root column/type to from column/type
+ auto dst_str = ColumnString::create();
Review Comment:
done
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