zhengruifeng opened a new pull request, #40135: URL: https://github.com/apache/spark/pull/40135
### What changes were proposed in this pull request? Existing implementation always convert inputs (maybe column or column name) to columns, this cause `AMBIGUOUS_REFERENCE` issue since there maybe several columns with the same name. This PR drops the columns first, and then the column names. ### Why are the changes needed? bug fix ### Does this PR introduce _any_ user-facing change? no ### How was this patch tested? added tests -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
