[PIG-561] Need to generate empty tuples and bags as a part of Pig Syntax

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 0.2.0
• Assignee: Unassigned
• Reporter: Viraj Bhat
• Created: 11/Dec/08 19:42
• Updated: 09/Aug/09 22:01
• Resolved: 09/Aug/09 22:01

Description

There is a need to sometimes generate empty tuples and bags as a part of the Pig syntax rather than using UDF's

a = load 'mydata.txt' using PigStorage();
b =foreach a generate ( ) as emptytuple;
c = foreach a generate { } as emptybag;
dump c;

Issue Links

• blocks: PIG-773 Empty complex constants (empty bag, empty tuple and empty map) should be supported