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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-670) DIFF contains an invalid expression - possible parser error
Date Tue, 21 Sep 2010 21:44:33 GMT

     [ https://issues.apache.org/jira/browse/PIG-670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Gates updated PIG-670:
---------------------------

         Assignee: Xuefu Zhang
    Fix Version/s: 0.9.0
         Priority: Minor  (was: Major)

> DIFF contains an invalid expression - possible parser error
> -----------------------------------------------------------
>
>                 Key: PIG-670
>                 URL: https://issues.apache.org/jira/browse/PIG-670
>             Project: Pig
>          Issue Type: Bug
>         Environment:  i686 i386 GNU/Linux
>            Reporter: Araceli Henley
>            Assignee: Xuefu Zhang
>            Priority: Minor
>             Fix For: 0.9.0
>
>
> Requires further investigation.
> This test takes in an invalid expression as the first argument in the DIFF function and
results in the following error:
> ERROR 1000: Error during parsing. Invalid alias: DIFF
> Why is the parser interpreting DIFF as an alias? 
> TEST: AggregateFunc_131
> A =LOAD '/user/pig/tests/data/types/DataAll' USING PigStorage() AS ( Fint:int, Flong:long,
Fdouble:double, Ffloat:float, Fchar:chararray, Fchararray:chararray, Fbytearray:bytearray,
Fmap:map[], Fbag:BAG{ t:tuple( name, age, avg ) }, Ftuple:( name:chararray, age:int, avg:float)
);
> B =GROUP A ALL; 
> X =FOREACH B GENERATE DIFF( A.Fint + A.Fint + ); 
> STORE X INTO '/user/pig/tests/results/araceli.1234381533/AggregateFunc_131.out' USING
PigStorage();

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