szehon-ho opened a new pull request, #53207: URL: https://github.com/apache/spark/pull/53207
### What changes were proposed in this pull request? Some fixes to allow the Dataframe Merge API to support schema evolution. This is from: https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/classic/MergeIntoWriter.scala#L7 ### Why are the changes needed? The Dataframe Merge API is broken for schema evolution mode without these fixes. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Add unit tests. Will try to refactor later to combine test re-use. ### 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]
