Zoltan Haindrich created HIVE-22913:
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Summary: HiveReduceExpressionsWithStatsRule should not invoke
simplifcation during end of visits
Key: HIVE-22913
URL: https://issues.apache.org/jira/browse/HIVE-22913
Project: Hive
Issue Type: Improvement
Reporter: Zoltan Haindrich
Assignee: Zoltan Haindrich
* doing a simplification is a full visit of the subtree
* in case the rule makes a structural change; it will invoke simplification
during exiting the recursion
https://github.com/apache/hive/blob/5012954396c98c94d0ff64fe3bbdb74e6077f190/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveReduceExpressionsWithStatsRule.java#L275
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