[HIVE-638] fix sampling in subquery for real

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.4.0
• Fix Version/s: 0.5.0
• Component/s: Query Processor
• Hadoop Flags: Reviewed
• Assignee: Namit Jain
• Reporter: Raghotham Murthy
• Created: 15/Jul/09 00:05
• Updated: 17/Dec/11 00:06
• Resolved: 05/Dec/09 06:58

Description

HIVE-160 will put in a hack which gives correct answers but does not do input pruning correctly. Change sample pruning to work on the operator tree.