alamb opened a new pull request, #11750: URL: https://github.com/apache/datafusion/pull/11750
## Which issue does this PR close? Follow on to https://github.com/apache/datafusion/pull/11718 Closes #. ## Rationale for this change In https://github.com/apache/datafusion/pull/11718 @Rachelint found that comparing hash values before group key values improved performance. The reason this could be faster was not obvious at first ## What changes are included in this PR? Add doc comments explaining the rationale and linking to https://github.com/apache/datafusion/pull/11718 ## Are these changes tested? CI ## Are there any user-facing changes? No, just comments <!-- If there are user-facing changes then we may require documentation to be updated before approving the PR. --> <!-- If there are any breaking changes to public APIs, please add the `api change` label. --> -- 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
