zuston opened a new pull request, #3325: URL: https://github.com/apache/fluss/pull/3325
### Purpose Linked issue: close #xxx Upper-layer frameworks sometimes route every upsert through `UpsertWriter` partial-update APIs even when all columns are provided. That forced the `PartialUpdateRowMerger` path and prevented WAL optimizations that depend on DefaultRowMerger, producing excessive RocksDB gets and slowing tablet RPC. When targetColumns covers every index of the latest schema, behave like null target columns and keep plain DefaultRowMerger semantics. ### Brief change log <!-- Please describe the changes made in this pull request and explain how they address the issue --> ### Tests <!-- List UT and IT cases to verify this change --> ### API and Format <!-- Does this change affect API or storage format --> ### Documentation <!-- Does this change introduce a new feature --> -- 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]
