JinkunLiu commented on code in PR #27330:
URL: https://github.com/apache/flink/pull/27330#discussion_r2702371143
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flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/inference/strategies/ItemAtTypeStrategy.java:
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@@ -33,27 +34,29 @@
/**
* An output type strategy for {@link BuiltInFunctionDefinitions#AT}.
*
- * <p>Returns either the element of an {@link LogicalTypeFamily#COLLECTION}
type or the value of
- * {@link LogicalTypeRoot#MAP}.
+ * <p>Returns either the element of an {@link LogicalTypeFamily#COLLECTION}
type, the value of
+ * {@link LogicalTypeRoot#MAP}, or the variant itself for {@link
LogicalTypeRoot#VARIANT}.
Review Comment:
I’ve updated the comment.
Could you please check whether the current wording is accurate?
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