[ARROW-707] Python: All none-Pandas column should be converted to NullArray

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.3.0
• Component/s: Python
• External issue URL: https://github.com/apache/arrow/issues/15373
• Assignee: Wes McKinney
• Reporter: Uwe Korn
• Created: 24/Mar/17 14:22
• Updated: 11/Jan/23 07:10
• Resolved: 17/Apr/17 13:57

Description

At the moment we throw ArrowException: Type error: Unable to infer type of object array, were all null but for this case we have NullArray inside of Arrow.

Issue Links

• blocks: ARROW-670 Arrow 0.3 release