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https://issues.apache.org/jira/browse/HIVE-10038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-10038:
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Attachment: HIVE-10038.3.patch
> Add Calcite's ProjectMergeRule.
> -------------------------------
>
> Key: HIVE-10038
> URL: https://issues.apache.org/jira/browse/HIVE-10038
> Project: Hive
> Issue Type: New Feature
> Components: CBO, Logical Optimizer
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-10038.2.patch, HIVE-10038.3.patch, HIVE-10038.patch
>
>
> Helps to improve latency by shortening operator pipeline. Folds adjacent
> projections in one.
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