[HIVE-7146] posexplode() UDTF fails with a NullPointerException on NULL columns

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.13.0
• Fix Version/s: 0.14.0
• Component/s: Query Processor
• Assignee: Stephen Veiss
• Reporter: Stephen Veiss
• Created: 29/May/14 21:12
• Updated: 13/Nov/14 19:41
• Resolved: 01/Jun/14 17:50

Description

posexplode() fails with a NullPointerException in GenericUDTFPosExplode.process if run against a column containing NULL values.

explode() has a null check covering this case. I've attached a patch adding the equivalent check to posexplode(), and updating the test case to include a NULL value.