[HIVE-1470] percentile_approx() fails with more than 1 reducer

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.6.0
• Fix Version/s: 0.7.0
• Component/s: Query Processor
• Hadoop Flags: Reviewed
• Assignee: Mayank Lahiri
• Reporter: Mayank Lahiri
• Created: 16/Jul/10 22:37
• Updated: 16/Dec/11 23:59
• Resolved: 27/Jul/10 00:17

Description

The larger issue is that a UDAF that has variable return types needs two inner Evaluator classes. This patch fixes a NullPointerException bug that is only encountered when partial aggregations are invoked.