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https://issues.apache.org/jira/browse/HIVE-9796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14338804#comment-14338804
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Ashutosh Chauhan commented on HIVE-9796:
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Its ok to have this check, but in Hive all columns are nullable and Hive
declares so to Calcite.
> CBO (Calcite Return Path): Add field nullable check to HiveJoinAddNotNullRule
> [CBO branch]
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-9796
> URL: https://issues.apache.org/jira/browse/HIVE-9796
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Affects Versions: cbo-branch
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Fix For: cbo-branch
>
> Attachments: HIVE-9796.cbo.patch
>
>
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