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Posted to dev@pig.apache.org by "Thejas M Nair (JIRA)" <ji...@apache.org> on 2012/10/25 21:05:12 UTC

[jira] [Created] (PIG-3007) support group-by collected for load funcs that don't implement CollectableLoadFunc

Thejas M Nair created PIG-3007:
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             Summary: support group-by collected for load funcs that don't implement CollectableLoadFunc
                 Key: PIG-3007
                 URL: https://issues.apache.org/jira/browse/PIG-3007
             Project: Pig
          Issue Type: New Feature
            Reporter: Thejas M Nair


group-by collected should be supported for all input that are sorted on group-by keys.
To ensure that a map task gets all records for a group-key, indexing can be done to determine which key at which it should start processing , and if it should read from next split as well to get remaining records for the last group-by column in its original split.


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