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From "jiraposter@reviews.apache.org (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2188) Add multi_get_table function in Hive Metastore
Date Wed, 08 Jun 2011 02:55:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045758#comment-13045758
] 

jiraposter@reviews.apache.org commented on HIVE-2188:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/831/
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(Updated 2011-06-08 02:53:35.735457)


Review request for hive, Paul Yang and Ashutosh Chauhan.


Changes
-------

- added getTableObjectsByName to IMetaStoreClient and HiveMetaStoreClient
- modified the unit tests to reflect this change


Summary
-------

Created a function "multi_get_table" that retrieves multiple tables on one trip to the hive
metastore, saving round trip time.


This addresses bug HIVE-2188.
    https://issues.apache.org/jira/browse/HIVE-2188


Diffs (updated)
-----

  trunk/metastore/if/hive_metastore.thrift 1133230 
  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java 1133230 
  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java 1133230

  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/IMetaStoreClient.java 1133230

  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java 1133230 
  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/RawStore.java 1133230 
  trunk/metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java 1133230


Diff: https://reviews.apache.org/r/831/diff


Testing
-------

Added a test case to testMetasore() in TestHiveServer.  Also tested for speed improvements
in a client session.


Thanks,

Sohan



> Add multi_get_table function in Hive Metastore
> ----------------------------------------------
>
>                 Key: HIVE-2188
>                 URL: https://issues.apache.org/jira/browse/HIVE-2188
>             Project: Hive
>          Issue Type: New Feature
>          Components: Metastore
>            Reporter: Sohan Jain
>            Assignee: Sohan Jain
>            Priority: Minor
>         Attachments: HIVE-2188.1.patch, HIVE-2188.3.patch
>
>
> This function would get multiple tables from the hive metastore as opposed to just one
at a time, saving round trip time to the metastore.

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