[HIVE-7491] Stats annotation fails to evaluate constant expressions in filter operator

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.14.0
• Fix Version/s: 0.14.0
• Component/s: Query Processor, Statistics
• Assignee: Prasanth Jayachandran
• Reporter: Prasanth Jayachandran
• Created: 23/Jul/14 22:19
• Updated: 13/Nov/14 19:39
• Resolved: 24/Jul/14 22:01

Description

HIVE-5369 added stats annotation to operator plan. The filter operator evaluates all expression node descriptors and applies rules. It always returns 0 for constant expressions like 'select * from table where true' or 'select * from table where true=true' etc.

Issue Links

• links to: Review Board