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https://issues.apache.org/jira/browse/HIVE-25528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Carlin reassigned HIVE-25528:
-----------------------------------
Assignee: Steve Carlin
> Avoid recalculating types after CBO on second AST pass
> ------------------------------------------------------
>
> Key: HIVE-25528
> URL: https://issues.apache.org/jira/browse/HIVE-25528
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Reporter: Steve Carlin
> Assignee: Steve Carlin
> Priority: Major
>
> It should be possible to avoid recalculating and reevaluating types on the
> second pass after going through CBO. CBO is making the effort to change the
> types so to reassess them is a waste of time.
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