morrySnow opened a new pull request, #24060: URL: https://github.com/apache/doris/pull/24060
we generate project for all set operation's children to ensure the order of all children are not changed. However, some rules, such as PushDownProjectThroughLimit could remove these projects involuntarily. When it happen, the column order is wrong and lead to BE core dump. This PR use a new variable in SetOperation to save the output order of children of set operation. Then the children's output order could be changed and never affect to SetOperation at all. ## Proposed changes Issue Number: close #xxx <!--Describe your changes.--> ## 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