zabetak opened a new pull request #1453: URL: https://github.com/apache/hive/pull/1453
### What changes were proposed in this pull request? Remove double backtracking of columns inside ReduceSinkDeDuplicationUtils#ggressiveDedup. ### Why are the changes needed? To prevent NPE during planning or execution. Examples in the JIRA case. ### Does this PR introduce _any_ user-facing change? Changes in the EXPLAIN plans but probably for the best. ### How was this patch tested? `mvn test -Dtest=TestMiniLlapLocalCliDriver -Dqfile=reduce_deduplicate_null_keys.q` ---------------------------------------------------------------- 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: gitbox-unsubscr...@hive.apache.org For additional commands, e-mail: gitbox-h...@hive.apache.org