eldenmoon commented on code in PR #66204:
URL: https://github.com/apache/doris/pull/66204#discussion_r3670803754
##########
be/src/exec/common/variant_util.cpp:
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@@ -381,7 +382,9 @@ Status cast_column(const ColumnWithTypeAndName& arg, const
DataTypePtr& type, Co
// nullable to Variant instead of the root of Variant
// correct output: Nullable(Array(int)) ->
Nullable(Variant(Nullable(Array(int))))
// incorrect output: Nullable(Array(int)) -> Nullable(Variant(Array(int)))
- if (type->get_primitive_type() == TYPE_VARIANT) {
+ const bool target_is_variant_v2 =
Review Comment:
为什么特殊处理variant_v2？不处理有什么问题； 加上代码注释
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