[ARROW-8490] [C++] Expose a ReadValuesSpaced method that accepts a validity bitmap.

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/24662
• Assignee: Unassigned
• Reporter: Micah Kornfield
• Created: 17/Apr/20 03:47
• Updated: 11/Jan/23 08:00
• Resolved: 20/Aug/20 06:40

Description

The current logic for determining spacing internally converts def levels for variable sized lists.  This logic won't work fixed size lists.