[PIG-1552] Nested describe failed when the alias is not referred in the first foreach inner plan

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.0
• Component/s: impl
• Hadoop Flags: Reviewed
• Assignee: Daniel Dai
• Reporter: Daniel Dai
• Created: 20/Aug/10 22:11
• Updated: 17/Dec/10 22:45
• Resolved: 23/Aug/10 21:32

Description

The following script fail:

A = load 'studentab10k' as (name, age, gpa);
B = group A by name;
C = foreach B {
    D = distinct A.age;
    generate group, COUNT(D);
}
describe C::D;

If we remove group from generate statement, then it works