[zebre] zebra user forces pig script to have 'as xxx' in foreach statement in 
order to be able to store successfully
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                 Key: PIG-1121
                 URL: https://issues.apache.org/jira/browse/PIG-1121
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.6.0
            Reporter: Jing Huang
             Fix For: 0.6.0


In the following pig script, if user do 
b =  foreach a generate m1#'a' ; 

describe b will be:
b: {bytearray}
zebra store will fail, since there is no name passed to zebra, and zebra not 
only need type but also name in order to store. 

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If user do 
b =  foreach a generate m1#'a' as ms1;

describe b will be:
b: {ms1: bytearray}

Then zebra store can be succeeded. 

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Here is the full pig script. 
register /grid/0/dev/hadoopqa/jars/zebra.jar;
a = load '1.txt' as (a:int, 
b:float,c:long,d:double,e:chararray,f:bytearray,r1(f1:chararray,f2:chararray),m1:map[]);

b =  foreach a generate m1#'a' as ms1;
describe b;

store b into 'map1' using org.apache.hadoop.zebra.pig.TableStorer('');


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So, we should either fix it or document it. 

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