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https://issues.apache.org/jira/browse/ARROW-5374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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lidavidm updated ARROW-5374:
----------------------------
    Labels: beginner  (was: begin)

> [Python] pa.read_record_batch() doesn't work
> --------------------------------------------
>
>                 Key: ARROW-5374
>                 URL: https://issues.apache.org/jira/browse/ARROW-5374
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>            Reporter: Antoine Pitrou
>            Priority: Major
>              Labels: beginner
>
> {code:python}
> >>> batch = pa.RecordBatch.from_arrays([pa.array([b"foo"], type=pa.utf8())], 
> >>> names=['strs'])                                                           
> >>>         
> >>> stream = pa.BufferOutputStream()
> >>> writer = pa.RecordBatchStreamWriter(stream, batch.schema)
> >>> writer.write_batch(batch)                                                 
> >>>                                                                           
> >>>        
> >>> writer.close()                                                            
> >>>                                                                           
> >>>        
> >>> buf = stream.getvalue()                                                   
> >>>                                                                           
> >>>        
> >>> pa.read_record_batch(buf, batch.schema)                                   
> >>>                                                                           
> >>>        
> Traceback (most recent call last):
>   File "<ipython-input-31-4f168f453f3a>", line 1, in <module>
>     pa.read_record_batch(buf, batch.schema)
>   File "pyarrow/ipc.pxi", line 583, in pyarrow.lib.read_record_batch
>     check_status(ReadRecordBatch(deref(message.message.get()),
>   File "pyarrow/error.pxi", line 87, in pyarrow.lib.check_status
>     raise ArrowIOError(message)
> ArrowIOError: Expected IPC message of type schema got record batch
> {code}



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