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Posted to github@datafusion.apache.org by "avantgardnerio (via GitHub)" <gi...@apache.org> on 2026/03/06 01:33:36 UTC

[PR] Copy limits before repartitions [datafusion]

avantgardnerio opened a new pull request, #20736:
URL: https://github.com/apache/datafusion/pull/20736

   ## Which issue does this PR close?
   
   - Closes #20735.
   
   ## Rationale for this change
   
   Described in issue.
   
   ## What changes are included in this PR?
   
   1. optimizer rule + unit tests
   2. slt tests showing behavior is the same, plus demonstrating plan changes
   3. feature flag
   4. criterion benchmark
   5. fixes to existing slt plan assertions
   
   ## Are these changes tested?
   
   With unit tests & slts.
   
   ## Are there any user-facing changes?
   
   Some queries should go faster
   
   **Note: I provided direction, Claude wrote all the code. I will be rewriting certain parts (especially the rule itself) for readability and clarity. I thought it was readable though, so I wanted to put it out there**


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Re: [PR] Copy limits before repartitions [datafusion]

Posted by "avantgardnerio (via GitHub)" <gi...@apache.org>.
avantgardnerio merged PR #20736:
URL: https://github.com/apache/datafusion/pull/20736


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