cht42 opened a new issue, #14212: URL: https://github.com/apache/datafusion/issues/14212
### Describe the bug Using `concat_ws` with an emply delimiter uses the first expr as the delimiter. ### To Reproduce `SELECT concat_ws('','a','b','c')` `bac` ### Expected behavior `SELECT concat_ws('','a','b','c')` `abc` ### 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