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https://issues.apache.org/jira/browse/HIVE-22408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vineet Garg updated HIVE-22408:
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Attachment: HIVE-22408.5.patch
> The fix for CALCITE-2991 creates wrong results on edge case
> -----------------------------------------------------------
>
> Key: HIVE-22408
> URL: https://issues.apache.org/jira/browse/HIVE-22408
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Affects Versions: 3.1.2
> Reporter: Steve Carlin
> Assignee: Vineet Garg
> Priority: Major
> Attachments: HIVE-22408.1.patch, HIVE-22408.2.patch,
> HIVE-22408.3.patch, HIVE-22408.4.patch, HIVE-22408.5.patch
>
>
> The Calcite upgrade from 1.19 to 1.21 includes a fix for CALCITE-2991. This
> patch causes a failure in subquery_ALL.q
> In order to proceed with the upgrade, the patch was bypassed by creating the
> HiveRelMdMaxRowCount class which overrides the behavior in Calcite.
> In order to recreate the regression, remove this file and the references to
> the class in HiveDefaultRelMetadataProvider.
> This Jira is being created before the HIVE-22274 PR has been pushed, so
> please wait until that is pushed before working on this.
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