[ARROW-9122] [C++] Adapt ascii_lower/ascii_upper bulk transforms to work on sliced arrays

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/25234
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 13/Jun/20 20:08
• Updated: 11/Jan/23 08:04
• Resolved: 18/Jun/20 00:29

Description

See comments at https://github.com/apache/arrow/pull/7418#discussion_r439754427

Also add unit tests to verify that only the referenced data slice has been transformed in the result

Issue Links

• links to: GitHub Pull Request #7458