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https://issues.apache.org/jira/browse/HIVE-20646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sankar Hariappan updated HIVE-20646:
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Attachment: (was: HIVE-20646.02.patch)
> Partition filter condition is not pushed down to metastore query if it has IS
> NOT NULL.
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-20646
> URL: https://issues.apache.org/jira/browse/HIVE-20646
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2, Standalone Metastore
> Affects Versions: 4.0.0
> Reporter: Sankar Hariappan
> Assignee: Sankar Hariappan
> Priority: Major
> Labels: Metastore, Performance, pull-request-available
> Attachments: HIVE-20646.01.patch
>
>
> If the partition filter condition has "is not null" then the filter query
> isn't getting pushed to the SQL query in RDMBS.
> This slows down metastore api calls for getting list of partitions with
> filter condition.
> This condition gets added by optimizer in many cases so this is affecting
> many queries.
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