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https://issues.apache.org/jira/browse/PIG-2151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149457#comment-13149457
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Daniel Dai commented on PIG-2151:
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+1. Don't forget to add release notes.
> Add annotation to specify output schema in Java UDFs
> ----------------------------------------------------
>
> Key: PIG-2151
> URL: https://issues.apache.org/jira/browse/PIG-2151
> Project: Pig
> Issue Type: Improvement
> Reporter: Dmitriy V. Ryaboy
> Assignee: Dmitriy V. Ryaboy
> Attachments: PIG-2151.patch
>
>
> In Python udfs, the output schema of an eval func is specified via an
> @OutputSchema annotation.
> We should do the same for Java udfs instead of making people write the
> cumbersome outputSchema functions.
> If an annotation exists, it should override an existing outputSchema
> implementation (since all evalFuncs will inherit the method from
> EvalFunc.java and there is thus no way to *not* have an implementation).
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