alamb commented on issue #1082: URL: https://github.com/apache/arrow-datafusion/issues/1082#issuecomment-942686726
I remember other systems that basically had special equality checking in semi joins to handle the null stuff -- in fact when using semi join for `x IN (select ..)` type queries, the `is distinct from` operator might required to get correct results in the presence of nulls, but I can't remember -- 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...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
