ctsk opened a new issue, #15784: URL: https://github.com/apache/datafusion/issues/15784
### Is your feature request related to a problem or challenge? The join implementation currently removes nulls during equality checking - I believe it would be faster / more efficient if we did so during the hash lookup - by hashing NULLs that occur on the probe side to a different value than NULLs that occur on the build side. The hash table lookup would then (very likely) result in a miss ### Describe the solution you'd like _No response_ ### Describe alternatives you've considered _No response_ ### Additional context _No response_ -- 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.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
