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https://issues.apache.org/jira/browse/PIG-1603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thejas M Nair updated PIG-1603:
-------------------------------
Attachment: PIG-1603.2.patch
Daniel pointed out that changes are required in more Visitors. Attaching new
patch with the changes. Changes have not yet been in PruneColumns, so it might
not work with -Dpig.usenewlogicalplan=false .
> dependency created by 'relation as scalar' not captured in graph
> ----------------------------------------------------------------
>
> Key: PIG-1603
> URL: https://issues.apache.org/jira/browse/PIG-1603
> Project: Pig
> Issue Type: Bug
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Fix For: 0.8.0
>
> Attachments: PIG-1603.1.patch, PIG-1603.2.patch
>
>
> The LogicalOperator that has a ReadScalar udf has a dependency on the
> relation that is provides the input to scalar variables. But this is not
> captured in the graph representation, and as a result DependencyOrderWalker
> does not traverse the graph in the real dependency order.
> The testcase TestFRJoin2.testConcatenateJobForScalar3 fails as a result of
> this issue. (It has been commented out for now.)
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