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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/12/31 22:26:41 UTC

[GitHub] [arrow-datafusion] james727 edited a comment on issue #1323: implement `set_agg` aggregation function

james727 edited a comment on issue #1323:
URL: https://github.com/apache/arrow-datafusion/issues/1323#issuecomment-1003460015


   @Jimexist  I realized after working on this for a bit that `array_agg(distinct <expr>)` should work for this case - is there a use case where `set_agg` would work but `array_agg` with distinct would not? Datafusion supports this syntax right now, though there appear to be some issues with non-column expressions and distinct.


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