alamb opened a new pull request, #4946: URL: https://github.com/apache/arrow-datafusion/pull/4946
# Which issue does this PR close? Closes https://github.com/apache/arrow-datafusion/issues/4943 # Rationale for this change See https://github.com/apache/arrow-datafusion/issues/4943 -- basically the issue is that `EnforceSorting` pass is adding an unecessary sort to `UnionExec` at some times # What changes are included in this PR? 1. Implement `UnionExec::maintains_input_order` as suggested by @mustafasrepo https://github.com/apache/arrow-datafusion/issues/4943#issuecomment-1385360298 2. Add test # Are these changes tested? Yes # Are there any user-facing changes? Bug fix (though I don't know if any SQL queries would be affected by this) -- 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]
