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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-15315) Query compilation: PartitionDesc can reduce the number of table metadata calls
Date Wed, 30 Nov 2016 11:08:58 GMT

     [ https://issues.apache.org/jira/browse/HIVE-15315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rajesh Balamohan resolved HIVE-15315.
-------------------------------------
    Resolution: Invalid

> Query compilation: PartitionDesc can reduce the number of table metadata calls
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-15315
>                 URL: https://issues.apache.org/jira/browse/HIVE-15315
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/plan/PartitionDesc.java#L88
> When compiling the query with partition dataset, partitiondesc ends getting table metadata
from metastore lot many times. This can be optimized to reduce the number of hits to the database.



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