[ARROW-13522] [C++] Regression with compute `utf8_*trim` functions on macOS.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 5.0.0
• Fix Version/s: 6.0.0, 5.0.1
• Component/s: C++, Python
• Labels: pull-request-available
• Environment: macOS 11.5
• External issue URL: https://github.com/apache/arrow/issues/29176
• Assignee: Antoine Pitrou
• Reporter: A. Coady
• Created: 02/Aug/21 01:43
• Updated: 11/Jan/23 08:33
• Resolved: 03/Aug/21 08:00

Description

import pyarrow as pa
import pyarrow.compute as pc

arr = pa.array(["ab", "ac"])
r = pc.utf8_ltrim(arr, characters="a")
assert r.to_pylist() == ["b", "c"], r
r = pc.utf8_rtrim(arr, characters="b")
assert r.to_pylist() == ["a", "ac"], r

Seems to go awry after the first match.

Issue Links

• links to: GitHub Pull Request #10853