HeartSaVioR opened a new pull request #35543: URL: https://github.com/apache/spark/pull/35543
### What changes were proposed in this pull request? This PR proposes to apply strict nullability of nested column in window struct for both time window and session window, which respects the dataType of TimeWindow and SessionWindow. ### Why are the changes needed? The implementation of rule TimeWindowing and SessionWindowing have been exposed the possible risks of inconsistency between the dataType of TimeWindow/SessionWindow and the replacement. For the replacement, it is possible that optimizer may decide the value expressions to be non-nullable. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? New tests added. -- 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]
