wolffcm commented on issue #4809: URL: https://github.com/apache/arrow-datafusion/issues/4809#issuecomment-1379100642
@jiacai2050 > One more question: if the subquery return multiple values, which value will be chosen by locf? I just tried this in TimeScale. if more than one value is returned, it returns an error `more than one row returned by a subquery used as an expression` similar to other situations where a subquery is expected to return a scalar. -- 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