[PIG-885] New UDFs for piggybank (Bin, Decode, LookupInFiles, RegexExtract, RegexMatch, HashFVN, DiffDate)

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.3.0
• Fix Version/s: 0.4.0
• Assignee: Daniel Dai
• Reporter: Daniel Dai
• Created: 13/Jul/09 22:21
• Updated: 24/Mar/10 22:13
• Resolved: 31/Jul/09 01:41

Description

Bunch of UDFs:
1. Bin – Converts a continuous value into discrete values
2. Decode – Converts a given attribute or expression into another string value, based on the value of the source attribute
3. LookupInFiles – Check for the existence of an expression in a serial of text files
4. RegexExtract and RegexMatch – Similar to perl regexes
5. HashFNV – An implementation of FNV hash
6. DiffDate – Caculate the number of days in between