[HIVE-17542] Make HoS CombineEquivalentWorkResolver Configurable

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Component/s: Physical Optimizer, Spark
• Labels: TODOC3.0
• Target Version/s: 3.0.0
• Assignee: Sahil Takiar
• Reporter: Sahil Takiar
• Created: 15/Sep/17 17:59
• Updated: 22/May/18 23:14
• Resolved: 21/Sep/17 04:25

Description

The CombineEquivalentWorkResolver is run by default. We should make it configurable so that users can disable it in case there are any issues. We can enable it by default to preserve backwards compatibility.

Issue Links

• relates to: HIVE-16867 Extend shared scan optimizer to reuse computation from other operators