Parser fails to recognize valid field
-------------------------------------

                 Key: PIG-1392
                 URL: https://issues.apache.org/jira/browse/PIG-1392
             Project: Pig
          Issue Type: Bug
            Reporter: Ankur


Using this script below, parser fails to recognize a valid field in the 
relation and throws error

A = LOAD '/tmp' as (a:int, b:chararray, c:int);
B = GROUP A BY (a, b);
C = FOREACH B { bg = A.(b,c); GENERATE group, bg; } ;

The error thrown is

2010-04-23 10:16:20,610 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 
1000: Error during parsing. Invalid alias: c in {group: (a: int,b: 
chararray),A: {a: int,b: chararray,c: int}}


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