X-czh commented on code in PR #25797: URL: https://github.com/apache/flink/pull/25797#discussion_r1903951424
########## docs/content/docs/dev/datastream/fault-tolerance/serialization/types_serialization.md: ########## @@ -167,6 +168,24 @@ input.keyBy(_.word) Flink supports all Java and Scala primitive types such as `Integer`, `String`, and `Double`. +#### Common Collection Types + +Since Flink 2.0, Flink comes with dedicated serialization support for common Java collection types, which is more efficient than going Review Comment: There shouldn't be any restrictions. If a type hint is used, then type hint would be respected, there's no casting involved. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
