Ashutosh Chauhan commented on PIG-773:

Santhosh, thanks for the review.

1. Will be fixing it in new patch.
2. Test passes while it should fail. Seems like there is an issue how Bag 
handles its schema. Will be investigating it further.
3. Will include test cases which check for existence of constants in the plan.

> Empty complex constants (empty bag, empty tuple and empty map) should be 
> supported
> ----------------------------------------------------------------------------------
>                 Key: PIG-773
>                 URL: https://issues.apache.org/jira/browse/PIG-773
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.3.0
>            Reporter: Pradeep Kamath
>            Assignee: Ashutosh Chauhan
>            Priority: Minor
>         Attachments: pig-773.patch, pig-773_v2.patch
> We should be able to create empty bag constant using {}, empty tuple constant 
> using (), empty map constant using [] within a pig script

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