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From "Ajay Kidave (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-1609) Support partition filtering in metastore
Date Wed, 01 Sep 2010 05:10:55 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ajay Kidave updated HIVE-1609:
------------------------------

    Attachment: hive_1609.patch

Attached patch with support for a new metastore API which returns list of partitions matching
specified string filter. Thrift does not support recursive nested structures, so the filter
is specified as a string instead of an expression object. The datanucleus jar version is upgraded
to get support for the JDOQL operations needed (a clean build is required at the root level
to remove the older version of the datanucleus jars from build/ivy/lib).

> Support partition filtering in metastore
> ----------------------------------------
>
>                 Key: HIVE-1609
>                 URL: https://issues.apache.org/jira/browse/HIVE-1609
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Metastore
>    Affects Versions: 0.5.0
>            Reporter: Ajay Kidave
>         Attachments: hive_1609.patch
>
>
> The metastore needs to have support for returning a list of partitions based on user
specified filter conditions. This will be useful for tools which need to do partition pruning.
Howl is one such use case. The way partition pruning is done during hive query execution need
not be changed.

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