[ARROW-6403] [Python] Expose FileReader::ReadRowGroups() to Python

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: Python
• Labels: pull-request-available
• Flags: Patch
• External issue URL: https://github.com/apache/arrow/pull/5241
• Assignee: ARF
• Reporter: ARF
• Created: 31/Aug/19 08:14
• Updated: 11/Jan/23 07:46
• Resolved: 01/Sep/19 13:00

Description

Expose ReadRowGroups to Python to allow efficient filtered reading implementations as suggested @xhochy in https://github.com/apache/arrow/issues/2491#issuecomment-416958663_

Without this PR users would have to re-implement threaded reads in python.

Issue Links

• links to: GitHub Pull Request #5241