AnishMahto opened a new pull request, #58914: URL: https://github.com/apache/spark/pull/58914
This is a stacked PR. See incremental diff here: https://github.com/AnishMahto/spark/compare/SPARK-59183-populate-verison-map-at-ingest...SPARK-59640-scd2-version-map-authorship-operations. See previous PR in stack here: https://github.com/apache/spark/pull/58645 ### What changes were proposed in this pull request? Implement the operations that SCD2 ignore-null coalescing will need to use to interface with the version map to determine leaf authorship, lazy materialization on schema evolution, etc. ### Why are the changes needed? Interfaces needed for SCD2 ignore null coalescing (future PRs) to determine and update authorship information in a row's version map. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Unit tests added to `Scd2VersionMapSuite`. ### Was this patch authored or co-authored using generative AI tooling? Co-authored with GPT Sol 5.6. -- 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]
