Koji Noguchi updated PIG-5067:
    Attachment: pig-5067-v01.patch

Attaching {{pig-5067-v01.patch}} that would 
* Fail for incompatible union with "onschema". Regular union has been failing 
* union with different internal column types for tuples or bags are still 
allowed (with empty schema)
* Add line-number for "union" failures.

> Revisit union on numeric type and chararray to bytearray
> --------------------------------------------------------
>                 Key: PIG-5067
>                 URL: https://issues.apache.org/jira/browse/PIG-5067
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Koji Noguchi
>            Assignee: Koji Noguchi
>         Attachments: pig-5067-v01.patch
> In PIG-2071, we changed the behavior of union on numeric and chararray to 
> bytearray.
> This itself was always failing at runtime until we changed to skip the 
> bytearray typecast for union-onschema in PIG-3270.
> (For union, it still fails with typecast to bytearray error. )
> Now, seeing users getting inconsistent results due to this union-ed bytearray.

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