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From "Chao Wang (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-1375) [Zebra] To support writing multiple Zebra tables through Pig
Date Tue, 13 Apr 2010 16:40:33 GMT
[Zebra] To support writing multiple Zebra tables through Pig
------------------------------------------------------------

                 Key: PIG-1375
                 URL: https://issues.apache.org/jira/browse/PIG-1375
             Project: Pig
          Issue Type: New Feature
    Affects Versions: 0.8.0
            Reporter: Chao Wang
            Assignee: Chao Wang
             Fix For: 0.8.0


In Zebra, we already have multiple outputs support for map/reduce.  But we do not support
this feature if users use Zebra through Pig.

This jira is to address this issue. We plan to support writing to multiple output tables through
Pig as well.

We propose to support the following Pig store statements with multiple outputs:

store relation into 'loc1,loc2,loc3....' using org.apache.hadoop.zebra.pig.TableStorer('storagehint_string',
'complete name of your custom partition class', 'some arguments to partition class'); /* if
certain partition class arguments is needed */

store relation into 'loc1,loc2,loc3....' using org.apache.hadoop.zebra.pig.TableStorer('storagehint_string',
'complete name of your custom partition class'); /* if no partition class arguments is needed
*/

Note that users need to specify up to three arguments - storage hint string, complete name
of partition class and partition class arguments string.

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