[ARROW-1489] [C++] Add casting option to set unsafe casts to null rather than some garbage value

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/17509
• Assignee: Unassigned
• Reporter: Wes McKinney
• Created: 08/Sep/17 01:46
• Updated: 11/Jan/23 07:15

Description

Null is the obvious choice when certain casts fail, like string to number, but in other kinds of unsafe casts there may be more ambiguity.

Issue Links

• is a child of: ARROW-8894 [C++] C++ array kernels framework and execution buildout (umbrella issue)
• Is contained by: ARROW-1492 [C++] Type casting function kernel suite