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https://issues.apache.org/jira/browse/HIVE-1003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcin Kurczych updated HIVE-1003:
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Release Note: Added support for metadata only queries and DUAL table. DUAL
becomes keyword - incompability with previous versions.
Hadoop Flags: [Incompatible change]
Status: Patch Available (was: Open)
https://reviews.apache.org/r/1962/
> optimize metadata only queries
> ------------------------------
>
> Key: HIVE-1003
> URL: https://issues.apache.org/jira/browse/HIVE-1003
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Marcin Kurczych
> Attachments: HIVE-1003.1.patch
>
>
> Queries like:
> select max(ds) from T
> where ds is a partitioning column should be optimized.
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