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From "Paul Yang (JIRA)" <>
Subject [jira] Created: (HIVE-1132) Add metastore API method to get partition by name
Date Thu, 04 Feb 2010 21:33:29 GMT
Add metastore API method to get partition by name

                 Key: HIVE-1132
             Project: Hadoop Hive
          Issue Type: New Feature
    Affects Versions: 0.6.0
            Reporter: Paul Yang
            Assignee: Paul Yang

Currently, get_partition_names returns the partition names in an escaped form  ie 'ds=2010-02-03/ts=2010-02-03
18%3A49%3A26/offset=0-3184760670135/instance=nfs/host=nfs'. In this case, the colons have
been replaced by %3A. The escaped form is necessary because the partition column values could
contain symbols such as '=' or '/' that would interfere with parsing or have some other unwanted
effects. See HIVE-883.

However, there is no way to directly retrieve the partition using the escaped name because
get_partition accepts a List<String> that requires the partition column values to be
in their original unescaped form. So the proposal is to add get_partition_by_name() that directly
accepts the partition name in the escaped form.

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