Alan Gates commented on PIG-1014:

I think I agree with Santhosh here.  While it may be unfortunate that our 
syntax makes it difficult to match the rather strange semantics of COUNT(x) vs 
COUNT(*) in SQL, I'm not sure trying to make a distinct between COUNT(A) and 
COUNT(A.$0) is the right solution.  This will not be obvious at all to users.  
If anything, the right way to do this would be COUNT(A.*), but I'm not sure 
even about that.

> Pig should convert COUNT(relation) to COUNT_STAR(relation) so that all 
> records are counted without considering nullness of the fields in the records
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>                 Key: PIG-1014
>                 URL: https://issues.apache.org/jira/browse/PIG-1014
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Pradeep Kamath

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