[jira] [Resolved] (PIG-4876) OutputConsumeIterator can't handle the last buffered tuples for some Operators

["Xuefu Zhang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-4876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xuefu Zhang resolved PIG-4876.
------------------------------
    Resolution: Fixed

Committed to Spark branch. Thanks, Xianda.

> OutputConsumeIterator can't handle the last buffered tuples for some Operators
> ------------------------------------------------------------------------------
>
>                 Key: PIG-4876
>                 URL: https://issues.apache.org/jira/browse/PIG-4876
>             Project: Pig
>          Issue Type: Sub-task
>          Components: spark
>            Reporter: Xianda Ke
>            Assignee: Xianda Ke
>             Fix For: spark-branch
>
>         Attachments: PIG-4876.patch
>
>
> Some Operators, such as MergeCogroup, Stream, CollectedGroup etc buffer some input records to constitute the result tuples. The last result tuples are buffered in the operator.  These Operators need a flag to indicate the end of input, so that they can flush and constitute their last tuples.
> Currently, the flag 'parentPlan.endOfAllInput' is targeted for flushing the buffered tuples in MR mode.  But it does not work with OutputConsumeIterator in Spark mode.



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