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Posted to github@arrow.apache.org by "jiangzhx (via GitHub)" <gi...@apache.org> on 2023/03/29 09:13:31 UTC

[GitHub] [arrow-datafusion] jiangzhx commented on issue #5771: use dataframe to filter with exists subquery,TableScan node added a unexpected projection

jiangzhx commented on issue #5771:
URL: https://github.com/apache/arrow-datafusion/issues/5771#issuecomment-1488227022

   after push_down_projection optimize:
   
   Projection: COUNT(*)
     Aggregate: groupBy=[[]], aggr=[[COUNT(*)]]
       TableScan: t2 projection=[a]
   


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