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https://issues.apache.org/jira/browse/HIVE-7655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harish Butani updated HIVE-7655:
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Attachment: HIVE-7655.1.patch
> Reading of partitioned table stats slows down explain
> -----------------------------------------------------
>
> Key: HIVE-7655
> URL: https://issues.apache.org/jira/browse/HIVE-7655
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 0.13.1
> Reporter: Mostafa Mokhtar
> Assignee: Harish Butani
> Labels: hive
> Fix For: 0.14.0
>
> Attachments: HIVE-7655.1.patch
>
>
> This defect is due to a regression introduced in
> https://issues.apache.org/jira/browse/HIVE-7625, explain for queries that
> touch partitioned tables is 10x slower.
> RelOptHiveTable.getRowCount calls listPartitionsWithAuthInfo which returns
> the data from all partitions, listPartitionsByExpr should be used instead.
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