hequn8128 commented on a change in pull request #11531:
[FLINK-16748][python][doc] Add Python UDTF doc
URL: https://github.com/apache/flink/pull/11531#discussion_r407951174
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File path: docs/dev/table/functions/udfs.md
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@@ -314,6 +318,12 @@ public class CustomTypeSplit extends TableFunction<Row> {
</div>
<div data-lang="scala" markdown="1">
+Please note that POJO types do not have a deterministic field order.
Therefore, you cannot rename the fields of POJO returned by a table function
using `AS`.
Review comment:
Unnecessary changes.
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