Ankit Modi updated PIG-1036:

    Attachment: LeftOuterFRJoin.patch

Attaching a new patch.

The join now only supports two way Left join. 
Join requires a schema to be mandatory be present on the right side, and it is 
used to determine the number of null fields/columns in nullTuple.

As its a two way join we use nullBag instead of an Array of nullBag. 
A DataBag is used instead of a Tuple to maintain consistency on the result Type 
of ConstantExpression.

> Fragment-replicate left outer join
> ----------------------------------
>                 Key: PIG-1036
>                 URL: https://issues.apache.org/jira/browse/PIG-1036
>             Project: Pig
>          Issue Type: New Feature
>            Reporter: Olga Natkovich
>            Assignee: Ankit Modi
>         Attachments: LeftOuterFRJoin.patch

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