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https://issues.apache.org/jira/browse/HIVE-2642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-2642:
-----------------------------------
Fix Version/s: 0.9.0
> fix Hive-2566 and make union optimization more aggressive
> ----------------------------------------------------------
>
> Key: HIVE-2642
> URL: https://issues.apache.org/jira/browse/HIVE-2642
> Project: Hive
> Issue Type: Improvement
> Reporter: He Yongqiang
> Assignee: He Yongqiang
> Fix For: 0.9.0
>
> Attachments: HIVE-2642.D735.1.patch
>
>
> Hive-2566 did some optimizations to union, but cause some problems. And then
> got reverted. This is to get it back and fix the problems we saw, and also
> make union optimization more aggressive.
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