xushiyan opened a new pull request, #9665: URL: https://github.com/apache/hudi/pull/9665
### Change Logs When users explicitly defines primaryKey and preCombineField when `CREATE TABLE`, subsequent `INSERT INTO` will deduce the operation as `UPSERT`. ### Impact Spark `INSERT INTO` semantics. ### Risk level Medium ### Documentation Update NA ### Contributor's checklist - [ ] Read through [contributor's guide](https://hudi.apache.org/contribute/how-to-contribute) - [ ] Change Logs and Impact were stated clearly - [ ] Adequate tests were added if applicable - [ ] CI passed -- 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: commits-unsubscr...@hudi.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org