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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-4072) secondary sort optimizer to support multiple predecessors
Date Thu, 02 Oct 2014 00:03:11 GMT

     [ https://issues.apache.org/jira/browse/PIG-4072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Dai updated PIG-4072:
----------------------------
    Fix Version/s:     (was: 0.14.0)
                   0.15.0

> secondary sort optimizer to support multiple predecessors
> ---------------------------------------------------------
>
>                 Key: PIG-4072
>                 URL: https://issues.apache.org/jira/browse/PIG-4072
>             Project: Pig
>          Issue Type: Sub-task
>          Components: impl
>            Reporter: Daniel Dai
>             Fix For: 0.15.0
>
>
> As described in PIG-4064, SecondaryOptimizer does not handle two predecessors. When we
process the first predecessor, we remove the foreach inner operators from the reduce side,
and the second predecessor cannot see them. 



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