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https://issues.apache.org/jira/browse/HIVE-25528?focusedWorklogId=665502&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-665502
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ASF GitHub Bot logged work on HIVE-25528:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Oct/21 03:10
Start Date: 14/Oct/21 03:10
Worklog Time Spent: 10m
Work Description: scarlin-cloudera closed pull request #2720:
URL: https://github.com/apache/hive/pull/2720
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Issue Time Tracking
-------------------
Worklog Id: (was: 665502)
Time Spent: 2h 40m (was: 2.5h)
> 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
> Labels: pull-request-available
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> 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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