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Posted to dev@pig.apache.org by "Daniel Dai (Commented) (JIRA)" <ji...@apache.org> on 2012/03/15 00:54:40 UTC

[jira] [Commented] (PIG-1270) Push limit into loader

    [ https://issues.apache.org/jira/browse/PIG-1270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13229772#comment-13229772 ] 

Daniel Dai commented on PIG-1270:
---------------------------------

Unit test pass. Plan to check it into 0.10, objection?
                
> Push limit into loader
> ----------------------
>
>                 Key: PIG-1270
>                 URL: https://issues.apache.org/jira/browse/PIG-1270
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.7.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.10
>
>         Attachments: PIG-1270-1.patch, PIG-1270-2.patch, PIG-1270-3.patch
>
>
> We can optimize limit operation by stopping early in PigRecordReader. In general, we need a way to communicate between PigRecordReader and execution pipeline. POLimit could instruct PigRecordReader that we have already had enough records and stop feeding more data.

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