[PIG-1118] expression with aggregate functions returning null, with accumulate interface

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.6.0
• Assignee: Ying He
• Reporter: Thejas Nair
• Created: 01/Dec/09 21:56
• Updated: 24/Mar/10 22:16
• Resolved: 04/Dec/09 19:01

Description

The problem is in trunk . It works fine in 0.6 branch.

l = load '/tmp/students.txt' as (a : chararray,b : chararray,c : int);
grunt> g = group l by 1;
grunt> dump g;
(1,

{(asdfxc,M,23),(qwer,F,21),(uhsdf,M,34),(zxldf,M,21),(qwer,F,23),(oiue,M,54)}

)
grunt> f = foreach g generate SUM(l.c), 1 + SUM(l.c) + SUM(l.c);
grunt> dump f;
(176L,)