GuoPhilipse opened a new pull request #28605: URL: https://github.com/apache/spark/pull/28605
### What changes were proposed in this pull request? add docs for sql migration-guide ### Why are the changes needed? let user know more about the scenarios in which Hive and Spark generate different results ### Does this PR introduce _any_ user-facing change? no ### How was this patch tested? no need to test ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org