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From "Paul Yang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1788) Add more calls to the metastore thrift interface
Date Thu, 17 Feb 2011 19:46:24 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12996009#comment-12996009
] 

Paul Yang commented on HIVE-1788:
---------------------------------

Talked with Ashish offline about this - a batch retrieval method for tables is definitely
required as the RTT would be excessive with 100's of tables. Another approach that may work
is to have an API that accepts a list of table names as an input. Then, that could be used
in conjunction with a method that returns matching table names to deal with the inconsistent
offset issues. This will require N+1 vs N RPC's as compared to the proposed method. 

It's preferable to keep the metastore API simple, so I'm a little hesitant to put in both
approaches. If the currently proposed method is fast enough, then it'd be okay to leave it
the way it is. 

> Add more calls to the metastore thrift interface
> ------------------------------------------------
>
>                 Key: HIVE-1788
>                 URL: https://issues.apache.org/jira/browse/HIVE-1788
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Ashish Thusoo
>            Assignee: Ashish Thusoo
>         Attachments: HIVE-1788.txt
>
>
> For administrative purposes the following calls to the metastore thrift interface would
be very useful:
> 1. Get the table metadata for all the tables owned by a particular users
> 2. Ability to iterate over this set of tables
> 3. Ability to change a particular key value property of the table

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