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Posted to github@arrow.apache.org by "Dandandan (via GitHub)" <gi...@apache.org> on 2023/06/26 12:37:55 UTC

[GitHub] [arrow-datafusion] Dandandan opened a new issue, #6768: Add projection to HashJoinExec to avoid unecessary output creation

Dandandan opened a new issue, #6768:
URL: https://github.com/apache/arrow-datafusion/issues/6768

   ### Is your feature request related to a problem or challenge?
   
   Currently `HashJoinExec` returns all the columns from both sides of the join.
   
   We can add the necessary output columns so we can save some work in gathering values based on indices.
   
   This is similar to #5436
   
   ### Describe the solution you'd like
   
   _No response_
   
   ### Describe alternatives you've considered
   
   _No response_
   
   ### Additional context
   
   _No response_


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Re: [I] Add projection to `HashJoinExec` to avoid unecessary output creation [arrow-datafusion]

Posted by "my-vegetable-has-exploded (via GitHub)" <gi...@apache.org>.
my-vegetable-has-exploded commented on issue #6768:
URL: https://github.com/apache/arrow-datafusion/issues/6768#issuecomment-1903819315

   I'd like to have a try.


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Re: [I] Add projection to `HashJoinExec` to avoid unecessary output creation [datafusion]

Posted by "eejbyfeldt (via GitHub)" <gi...@apache.org>.
eejbyfeldt commented on issue #6768:
URL: https://github.com/apache/datafusion/issues/6768#issuecomment-2323440758

   Is there something left to be done in this issue after #9236 My understanding is that it completes all the work currently described in the ticket.


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Re: [I] Add projection to `HashJoinExec` to avoid unecessary output creation [datafusion]

Posted by "Dandandan (via GitHub)" <gi...@apache.org>.
Dandandan commented on issue #6768:
URL: https://github.com/apache/datafusion/issues/6768#issuecomment-2323492406

   It's done


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Re: [I] Add projection to `HashJoinExec` to avoid unecessary output creation [datafusion]

Posted by "Dandandan (via GitHub)" <gi...@apache.org>.
Dandandan closed issue #6768: Add projection to `HashJoinExec` to avoid unecessary output creation
URL: https://github.com/apache/datafusion/issues/6768


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Re: [I] Add projection to `HashJoinExec` to avoid unecessary output creation [datafusion]

Posted by "Dandandan (via GitHub)" <gi...@apache.org>.
Dandandan commented on issue #6768:
URL: https://github.com/apache/datafusion/issues/6768#issuecomment-2323492514

   Thanks @eejbyfeldt for the observation 


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