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https://issues.apache.org/jira/browse/PIG-3074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Coveney resolved PIG-3074.
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Resolution: Duplicate
Closing this out as it is a duplicate of PIG-3082
> Should check that any UDF returns a Schema of only one Field
> ------------------------------------------------------------
>
> Key: PIG-3074
> URL: https://issues.apache.org/jira/browse/PIG-3074
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.11, 0.12
> Reporter: Jonathan Coveney
> Assignee: Jonathan Coveney
> Fix For: 0.12
>
>
> Currently, it is "valid" for a UDF's outputSchema to return a Schema of more
> than one field (ie an int,int,long). This causes weird error (different
> treatment in the case of one value instead of multiple).
> I will add a check where you can only have one field (multiple fields should
> be contained in a Tuple).
> This will potentially not be backwards compatible, but it is a bug that
> people do that.
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