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https://issues.apache.org/jira/browse/PIG-804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12709040#action_12709040
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Santhosh Srinivasan commented on PIG-804:
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+1 for the patch.
> problem with lineage with double map redirection
> ------------------------------------------------
>
> Key: PIG-804
> URL: https://issues.apache.org/jira/browse/PIG-804
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.2.1
> Reporter: Olga Natkovich
> Assignee: Pradeep Kamath
> Fix For: 0.3.0
>
> Attachments: PIG-804.patch
>
>
> v1 = load 'data' as (s,m,l);
> v2 = foreach v1 GENERATE
> s#'src_spaceid' AS vspaceid ;
> v3 = foreach v2 GENERATE
> (chararray)vspaceid#'foo';
> explain v3;
> The last cast does not have a loader associated with it and as the result the
> script fails on the backend with the following error: "Received a bytearray
> from the UDF. Cannot determine how to convert the bytearray to string."
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