LiBinfeng-01 opened a new pull request, #20479: URL: https://github.com/apache/doris/pull/20479
## Proposed changes The problem this pr want to solved is when generating merge aggregate using original planner, partition expressions need to be substitude, but when comparing two castExpr function, it fails because super.Function does not implement equals function. <!--Describe your changes.--> Add equals implementation to Fucntion Expr ## Further comments If this is a relatively large or complex change, kick off the discussion at [d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc... -- 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: commits-unsubscr...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org