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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/04/11 02:53:49 UTC

[GitHub] [arrow-datafusion] mingmwang commented on issue #2181: [Discuss] Add struct `Query` for datafusion

mingmwang commented on issue #2181:
URL: https://github.com/apache/arrow-datafusion/issues/2181#issuecomment-1094490524

   > 
   
   
   
   > > Here is a framework #1649 for implementing subqueries that I wrote some time ago. After this framework is completed, I believe that many kinds of subqueries can be easily added, such as in, scalar subquery, and this framework takes decorrelated into account at the beginning.
   > 
   > I also see this PR. I think it's not good choice to embed a `logicplan` to Expr.
   
   I also have the same doubt.


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