szehon-ho opened a new pull request, #51091: URL: https://github.com/apache/spark/pull/51091
### What changes were proposed in this pull request? MergeRowsExec can record some useful information, like how many rows are not target of any action (doesn't match any condition), which can be emitted as metrics. ### Why are the changes needed? Improve debuggability of MERGE INTO ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Add test to MergeIntoTableSuiteBase ### Was this patch authored or co-authored using generative AI tooling? No -- 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]
