Daniel Dai commented on PIG-1001:

Hi, Alan,
The code do remove B and C. It uses fifo to achieve that to avoid recursion. 
But you reminds me that we have trimBlow(). We should use trimBlow() instead of 
implementing a duplicate logic. 

> Generate more meaningful error message when one input file does not exist
> -------------------------------------------------------------------------
>                 Key: PIG-1001
>                 URL: https://issues.apache.org/jira/browse/PIG-1001
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Daniel Dai
>             Fix For: 0.6.0
>         Attachments: PIG-1001-1.patch
> In the following query, if 1.txt does not exist, 
> a = load '1.txt';
> b = group a by $0;
> c = group b all;
> dump c;
> Pig throws error message "ERROR 2100: file:/tmp/temp155054664/tmp1144108421 
> does not exist.", Pig should deal with it with the error message "Input file 
> 1.txt not exist" instead of those confusing messages.

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