[ARROW-2854] [C++/Python] Casting float NaN to int should raise an error on safe cast

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0
• Fix Version/s: 0.11.0
• Component/s: C++, Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/19228
• Assignee: Krisztian Szucs
• Reporter: Uwe Korn
• Created: 15/Jul/18 14:09
• Updated: 11/Jan/23 07:23
• Resolved: 24/Sep/18 09:10

Description

Currently the following code works:

pa.array([np.nan, 1.]).cast(pa.int64())

It produces:

<pyarrow.lib.Int64Array object at 0x111ca6778>
[
  -9223372036854775808,
  1
]

The expected behaviour should be that it raises.

Issue Links

• links to: GitHub Pull Request #2612