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From "Sohan Jain (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2213) Optimize get_partition_names_ps()
Date Fri, 10 Jun 2011 07:00:59 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sohan Jain updated HIVE-2213:
-----------------------------

    Attachment: HIVE-2213.1.patch

> Optimize get_partition_names_ps()
> ---------------------------------
>
>                 Key: HIVE-2213
>                 URL: https://issues.apache.org/jira/browse/HIVE-2213
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Sohan Jain
>            Assignee: Sohan Jain
>         Attachments: HIVE-2213.1.patch
>
>
> If a table has a large number of partitions, get_partition_names_ps() make take a long
time to execute, because we get all of the partition names from the database.  This is not
very memory efficient, and the operation can be pushed down to the JDO layer without getting
all of the names first.

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