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https://issues.apache.org/jira/browse/PIG-676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Olga Natkovich resolved PIG-676.
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Fix Version/s: 0.7.0
Resolution: Fixed
I checked the code - it is now doing the right thing
> Diff does not check if the first input is a bag or not
> ------------------------------------------------------
>
> Key: PIG-676
> URL: https://issues.apache.org/jira/browse/PIG-676
> Project: Pig
> Issue Type: Bug
> Environment: i686 i386 GNU/Linux
> ava version "1.6.0_02"
> Java(TM) SE Runtime Environment (build 1.6.0_02-b05)
> Java HotSpot(TM) Client VM (build 1.6.0_02-b05, mixed mode, sharing)
> Reporter: Araceli Henley
> Priority: Trivial
> Fix For: 0.7.0
>
>
> I passed in a constant value "0.0" for the first argument, aexpecting that an
> error such as "Invalid type passed to DIFF" or some such error, but this is
> processed without any errors.
> TEST: AggregateFunc_101
> A =LOAD ':INPATH:/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 A.Fint, DIFF( 0.0, A.Fbag );
> STORE X INTO ':OUTPATH:' USING PigStorage();
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