[ARROW-13389] [C++] Add option to coalesce kernel to treat NaN as null

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/29060
• Assignee: Unassigned
• Reporter: Ian Cook
• Created: 19/Jul/21 20:18
• Updated: 11/Jan/23 08:32

Description

Currently the coalesce kernel treats NaN as a non-null value. Consider adding a boolean option to this kernel that could be used to make it treat NaN values the same as null values. This would allow the code added in ARROW-13201 to be much simplified.

Issue Links

• relates to: ARROW-13201 [R] Add binding for coalesce()
• relates to: ARROW-13367 [C++] Add option to is_null kernel to return true on NaN