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https://issues.apache.org/jira/browse/HIVE-8435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-8435:
-----------------------------------
Status: Patch Available (was: In Progress)
> Add identity project remover optimization
> -----------------------------------------
>
> Key: HIVE-8435
> URL: https://issues.apache.org/jira/browse/HIVE-8435
> Project: Hive
> Issue Type: New Feature
> Components: Logical Optimizer
> Affects Versions: 0.13.0, 0.12.0, 0.11.0, 0.10.0, 0.9.0
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-8435.02.patch, HIVE-8435.03.patch,
> HIVE-8435.03.patch, HIVE-8435.04.patch, HIVE-8435.05.patch,
> HIVE-8435.05.patch, HIVE-8435.06.patch, HIVE-8435.07.patch,
> HIVE-8435.08.patch, HIVE-8435.1.patch, HIVE-8435.patch
>
>
> In some cases there is an identity project in plan which is useless. Better
> to optimize it away to avoid evaluating it without any benefit at runtime.
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