[PIG-2166] UDFs to join a bag

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.11
• Labels: newbie simple
• Hadoop Flags: Reviewed
• Assignee: Hien Luu
• Reporter: Daniel Dai
• Created: 15/Jul/11 01:07
• Updated: 22/Feb/13 04:54
• Resolved: 15/Jun/12 22:01

Description

Get several request for a UDF to flatten a bag. Seems reasonable to create one in builtin:
1. BagToTuple:

{(a),(b),(c)}

-> (a,b,c)
2. BagToString(delimit="_"): {(a),(b),(c) -> "a_b_c"