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https://issues.apache.org/jira/browse/PIG-4769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohini Palaniswamy updated PIG-4769:
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Status: Patch Available (was: Open)
> UnionOptimizer hits errors when merging vertex group into split
> ---------------------------------------------------------------
>
> Key: PIG-4769
> URL: https://issues.apache.org/jira/browse/PIG-4769
> Project: Pig
> Issue Type: Bug
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Fix For: 0.16.0
>
> Attachments: PIG-4769-1.patch
>
>
> 1) For a script that needs store vertex group removed and merged into split,
> it gives error
> Caused by: java.lang.IllegalArgumentException: VertexGroup must have at least
> 2 members
> as we leave the vertexgroup with just one member in it (POSplit).
> 2) For a script that needs non-store vertex group removed, it gives error
> Input from vertex scope-xxx is missing
> In this case, vertex group is removed but successor inputs are not replaced
> correctly.
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