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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/03/25 05:33:55 UTC

[GitHub] [arrow-datafusion] jackwener commented on pull request #2084: optimizer: eliminate max/min distinct

jackwener commented on pull request #2084:
URL: https://github.com/apache/arrow-datafusion/pull/2084#issuecomment-1078671358


   I encountered some problems during development. Ask for some help. ❤🙌
   
   key point is how to rewrite the `shema` and `expr` of `alias_projection` and `rewrited_aggregation`. It's will make the entire plan suitable.
   
   Now my code is with bugs. And I can't  rewrite the `shema` and `expr`  successful to fix it.


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