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Posted to github@arrow.apache.org by "alamb (via GitHub)" <gi...@apache.org> on 2023/03/09 17:00:43 UTC

[GitHub] [arrow-datafusion] alamb commented on issue #5529: Failed to execute sql with subquery

alamb commented on issue #5529:
URL: https://github.com/apache/arrow-datafusion/issues/5529#issuecomment-1462422427

   > So the problem could be solved if we can make this specific "(( ))" case interpreted as Expr::InSubquery. That might be easy to be done in ExprRewriter::mutate:
   
   I agree that rewriting `a IN ((...))` if the content is a single subquery makes sense to me
   
   Maybe we jus need to update the check  https://github.com/apache/arrow-datafusion/blob/ff013e24559850541c54cf5d254922649ef37d8c/datafusion/optimizer/src/simplify_expressions/expr_simplifier.rs#LL407
   
   To also allow subqueries


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