[HIVE-23736] Disable topn in ReduceSinkOp if a TNK is introduced

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 4.0.0
• Component/s: Physical Optimizer
• Labels: pull-request-available
• Target Version/s: 4.0.0
• Assignee: Krisztian Kasa
• Reporter: Krisztian Kasa
• Created: 22/Jun/20 07:51
• Updated: 24/Jul/20 02:13
• Resolved: 24/Jul/20 02:13

Description

Both the Reduce Sink and TopNKey operator has Top n key filtering functionality. If TNK is introduced this functionality is done twice.

Issue Links

• relates to: HIVE-17896 TopNKey: Create a standalone vectorizable TopNKey operator
• links to: GitHub Pull Request #1158