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https://issues.apache.org/jira/browse/HIVE-25311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HIVE-25311:
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Labels: pull-request-available (was: )
> Slow compilation of union operators with >100 branches
> ------------------------------------------------------
>
> Key: HIVE-25311
> URL: https://issues.apache.org/jira/browse/HIVE-25311
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> during the processing of an N way union operator the full plan is cloned N
> times; which might hurt compilation time performance
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