[ARROW-18421] [C++][ORC] Add accessor for number of rows by stripe in reader

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 11.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/pull/14806

Language

C++

• Assignee: Louis Calot
• Reporter: Louis Calot
• Created: 01/Dec/22 16:02
• Updated: 11/Jan/23 12:00
• Resolved: 12/Dec/22 16:56

Description

I need to have the number of rows by stripe to be able to read specific ranges of records in the ORC file without reading it all. The number of rows was already stored in the implementation but not available in the API.

Issue Links

• links to: GitHub Pull Request #14806