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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/04/19 20:12:51 UTC

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

paveltiunov commented on issue #2181:
URL: https://github.com/apache/arrow-datafusion/issues/2181#issuecomment-1103083741

   @andygrove @alamb I guess great timing! We just implemented the correlated subquery here https://github.com/cube-js/arrow-datafusion/commit/d14f0de4c042c9a14b40acd4768c6e4f6585ee93. If you're open I can bring it as a PR and would love to shape it to a more canonical structure. There're multiple caveats some of which are covered in the design document like circular dependency between `Expr` and `LogicalPlan`. We'd love to see correlated subquery support merged as we don't have incentives to support such a big change in our fork.


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