[PIG-673] several aggregate functions do not check the number of arguments and do not correctly check for a type "bag"

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved

Environment

i686 i386 GNU/Linux

• Assignee: Thejas Nair
• Reporter: Araceli Henley
• Created: 12/Feb/09 20:11
• Updated: 15/Feb/11 01:20

Description

DIFF expects two bags as the argument. But in this negative test case we pass:
1) there is a single argument to diff instead of two,
2) The argument should be a bag but is an int.

TEST: AggregateFunc_190

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) + DIFF( A.Fint);
STORE X INTO '/user/pig/tests/results/araceli.1234381533/AggregateFunc_190.out' USING PigStorage();

ERROR 1000: Error during parsing. Atomic field expected but found non-atomic field

TEST AggregateFunc_1901

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) + DIFF( A.Fint, A.Fint);
STORE X INTO '/user/pig/tests/results/araceli.1234467894/AggregateFunc_1901.out' USING PigStorage();

ERROR 1000: Error during parsing. Atomic field expected but found non-atomic field

TEST AggregateFunc_1902

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 + A.Fint);
STORE X INTO '/user/pig/tests/results/araceli.1234467894/AggregateFunc_1902.out' USING PigStorage();

throws error: ERROR 1039: Incompatible types in Add Operator left hand side:bag right hand side:bag