[ARROW-14356] [C++] Create kernel to determine buffer memory "referenced" by arrays (even if there are offsets)

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29925
• Assignee: Weston Pace
• Reporter: Weston Pace
• Created: 16/Oct/21 01:39
• Updated: 11/Jan/23 08:39
• Resolved: 03/Nov/21 12:42

Description

It is difficult to calculate the size (in bytes) of an array that has offsets because offsets are "# of values" there is no type-erased way to known how many bytes each value occupies.

Issue Links

• links to: GitHub Pull Request #11542