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https://issues.apache.org/jira/browse/PIG-5110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15840697#comment-15840697
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Daniel Dai commented on PIG-5110:
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This has to be optional. The result schema of join contains key column from
both relations, very likely they share the same name. And that's why Pig choose
to prefix the column name with relation name.
> Removing schema alias and :: coming from parent relation
> --------------------------------------------------------
>
> Key: PIG-5110
> URL: https://issues.apache.org/jira/browse/PIG-5110
> Project: Pig
> Issue Type: New Feature
> Reporter: Adam Szita
> Assignee: Adam Szita
>
> Customers have asked for a feature to get rid of the schema alias prefixes.
> CROSS, JOIN, FLATTEN, etc.. prepend the field name with the parent field
> alias and ::
> I would like to find a way to disable this feature. (The burden of making
> sure not to have duplicate aliases - and hence the appropriate
> FrontendException getting thrown - is on the user)
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