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Posted to issues@flink.apache.org by "wuchong (via GitHub)" <gi...@apache.org> on 2023/04/08 15:32:34 UTC

[GitHub] [flink] wuchong commented on pull request #22254: [FLINK-31597][table] Cleanup usage of deprecated TableEnvironment#registerFunction

wuchong commented on PR #22254:
URL: https://github.com/apache/flink/pull/22254#issuecomment-1500915644

   I tried to cleanup the registerFunction usage. But it seems it is a big effort because of the different behavior between `registerFunction` and `createTemporarySystemFunction`, e.g., the error message, the checks of nullability types, the plan digests, etc. I would like to close this PR first, and may separate it into sub-tasks later. 


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