alamb opened a new pull request, #10835: URL: https://github.com/apache/datafusion/pull/10835
## Which issue does this PR close? Closes https://github.com/apache/datafusion/issues/9873 Closes https://github.com/apache/arrow-datafusion/issues/9637 -- the last one of my planned PRs to make DataFusion planning faster by not copying so much ## Rationale for this change For low latency use cases the overhead of planning can be substantial, especially for relatively complex plans ## What changes are included in this PR? 1. rewrite `CommonSubexprEliminate` to avoid deep copying plans using TreeNode API ## Are these changes tested? Functioanlly by existing CI Performance tests : TBD ## Are there any user-facing changes? Performance Improvements (see above) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org