[PIG-4038] SPRINTF should return NULL on any NULL input

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Component/s: internal-udfs
• Labels: null sprintf udf
• Patch Info: Patch Available
• Hadoop Flags: Reviewed
• Release Note: SPRINTF returns null on any null argument
• Assignee: Flip Kromer
• Reporter: Flip Kromer
• Created: 25/Jun/14 20:46
• Updated: 21/Nov/14 05:58
• Resolved: 26/Jun/14 04:24

Description

SPRINTF will currently interpolate the string 'null' if supplied with null arguments, which is "helpful but not help-ing". This patch makes it return null if any argument – format or fodder – is null.

(See PIG-3939 for SPRINTF implementation)