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https://issues.apache.org/jira/browse/HIVE-11252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez updated HIVE-11252:
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Attachment: HIVE-11252.patch
> CBO (Calcite Return Path): DUMMY project in plan
> ------------------------------------------------
>
> Key: HIVE-11252
> URL: https://issues.apache.org/jira/browse/HIVE-11252
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-11252.patch
>
>
> When the return path is on, we might end up with a Project with DUMMY column
> in the plan; thus, we need to run the ProjectMergeRule after the column
> trimmer runs for the second time. To reproduce it, we can run interval_udf.q
> with the return path on.
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