[ARROW-3735] [Python] Proper error handling in _ensure_type

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/20034
• Assignee: Uwe Korn
• Reporter: Krisztian Szucs
• Created: 09/Nov/18 16:44
• Updated: 11/Jan/23 07:29
• Resolved: 12/Mar/19 03:00

Description

We have multiple _ensure_type like functions, the in defined in array.pxi bypasses None which causes segfault in the following example:

pa.array([1, 2, 3]).cast(None)

Issue Links

• links to: GitHub Pull Request #3862