[ARROW-6263] [Python] RecordBatch.from_arrays does not check array types against a passed schema

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: Python
• Labels: beginner pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22647
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 16/Aug/19 02:35
• Updated: 11/Jan/23 07:45
• Resolved: 28/Aug/19 21:21

Description

Example came from ARROW-6038

In [4]: pa.RecordBatch.from_arrays([pa.array([])], schema)                                                  
Out[4]: <pyarrow.lib.RecordBatch at 0x7fc36fa18db8>

In [5]: rb = pa.RecordBatch.from_arrays([pa.array([])], schema)                                             

In [6]: rb                                                                                                  
Out[6]: <pyarrow.lib.RecordBatch at 0x7fc37d9c69f8>

In [7]: rb.schema                                                                                           
Out[7]: col: string

In [8]: rb[0]                                                                                               
Out[8]: 
<pyarrow.lib.NullArray object at 0x7fc36fa8ce08>
0 nulls

Issue Links

• links to: GitHub Pull Request #5189