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https://issues.apache.org/jira/browse/PIG-4072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-4072:
----------------------------
Issue Type: Improvement (was: Sub-task)
Parent: (was: PIG-3446)
> secondary sort optimizer to support multiple predecessors
> ---------------------------------------------------------
>
> Key: PIG-4072
> URL: https://issues.apache.org/jira/browse/PIG-4072
> Project: Pig
> Issue Type: Improvement
> 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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