HappenLee opened a new pull request, #66734: URL: https://github.com/apache/doris/pull/66734
### What problem does this PR solve? Issue Number: close #66687 Related PR: None Problem Summary: Add Spark/Hive-compatible stack(num_rows, ...) support with row-major output, NULL padding, column type validation, and recursive constant folding. ### Release note Support Spark/Hive-compatible stack table-generating function semantics. ### Check List (For Author) - Test: FE StackTest 6/6; BE TableFunctionTest.vstack; targeted regression generation and rerun; FE build/checkstyle; BE format/clang-tidy - Behavior changed: Yes (adds stack table function compatibility) - Does this need documentation: 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]
