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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/11/01 08:03:03 UTC

[GitHub] [arrow-datafusion] mingmwang commented on issue #4003: Representing statistics in logical or physical plans (or in both of them)

mingmwang commented on issue #4003:
URL: https://github.com/apache/arrow-datafusion/issues/4003#issuecomment-1298183370

   > 
   
   Costs might be different for different implementations like hash join vs sort join, but the stats(output rows, size, min/max,...) are the same. Even for different join ordering [A inner join B inner C] vs [C inner join B inner A], the stats are exactly the same.


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