Hadoop QA commented on PIG-804:

+1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 774167.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: 
Findbugs warnings: 
Console output: 

This message is automatically generated.

> 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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