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https://issues.apache.org/jira/browse/HIVE-20920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16690211#comment-16690211
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Jesus Camacho Rodriguez commented on HIVE-20920:
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[~ashutoshc], can you take a look? I will create a follow-up to avoid creating
{{IS NOT NULL}} condition if column does not contain null values as per stats.
Thanks
> Use SQL constraints to improve join reordering algorithm (II)
> -------------------------------------------------------------
>
> Key: HIVE-20920
> URL: https://issues.apache.org/jira/browse/HIVE-20920
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-20920.01.patch, HIVE-20920.02.patch,
> HIVE-20920.03.patch, HIVE-20920.patch
>
>
> Follow-up of HIVE-20744.
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