[SPARK-27083] Add a config to control subqueryReuse

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: liuxian
• Reporter: liuxian
• Created: 07/Mar/19 11:17
• Updated: 10/Feb/20 11:40
• Resolved: 27/Mar/19 06:38

Description

Subquery Reuse and Exchange Reuse are not the same feature， if we don't want to reuse subqueries，and we just want to reuse exchanges，only one configuration that cannot be done.
So I think we should add a new configuration to control subqueryReuse.

Issue Links

• links to: [Github] Pull Request #23998 (10110346)
• links to: GitHub Pull Request #23998
• links to: GitHub Pull Request #27346