[ARROW-13338] [C++][Dataset] Make async Scanner the default

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: dataset pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29013
• Assignee: Unassigned
• Reporter: Ben Kietzman
• Created: 14/Jul/21 14:13
• Updated: 11/Jan/23 08:32
• Resolved: 14/Jan/22 20:34

Description

The synchronous Scanner is not integrated with ExecPlans and doesn't offer better performance in any case than the asynchronous scanner, so we should start migrating away from the extraneous code path so it can be deprecated and then deleted.

Issue Links

• is related to: ARROW-13328 [C++][Dataset] Use an ExecPlan for synchronous scans or drop synchronous scans
• relates to: ARROW-13554 [C++] Remove deprecated Scanner::Scan
• links to: GitHub Pull Request #10749