mbutrovich opened a new pull request, #23577: URL: https://github.com/apache/datafusion/pull/23577
## Which issue does this PR close? - Backport of #22791 to `branch-54` (for 54.1.0, tracked in #22547). - Regression introduced in 54.0.0 by #21448. ## Rationale for this change `NestedLoopJoinExec` emits spurious NULL-padded unmatched-left rows when there are multiple probe partitions, producing wrong results in 54.0.0. No API changes, correctness-only fix, so it fits the backport criteria. ## What changes are included in this PR? Clean cherry-pick of #22791. No adaptation required. ## Are these changes tested? Yes. Carries the original regression coverage (`joins.slt`), all tests pass. ## Are there any user-facing changes? Nested loop joins with multiple probe partitions no longer emit spurious rows. No API changes. -- 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]
