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Posted to issues@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2019/10/16 19:14:00 UTC

[jira] [Commented] (ARROW-6909) [Python] Define PyObjectBuffer with Py_XDECREF logic in destructor for object array memory

    [ https://issues.apache.org/jira/browse/ARROW-6909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16953118#comment-16953118 ] 

Antoine Pitrou commented on ARROW-6909:
---------------------------------------

Note there may be complications with mixed arrays, though I don't think we produce them currently:
{code:python}
In [14]: dt = np.dtype([('a', 'object'), ('b', 'int32')])                                                                                                

In [16]: arr = np.array([(object(), 1), (object(), 2)], dtype=dt)                                                                                        

In [18]: arr.itemsize                                                                                                                                    
Out[18]: 12
{code}

> [Python] Define PyObjectBuffer with Py_XDECREF logic in destructor for object array memory
> ------------------------------------------------------------------------------------------
>
>                 Key: ARROW-6909
>                 URL: https://issues.apache.org/jira/browse/ARROW-6909
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Wes McKinney
>            Priority: Major
>
> Possible follow up to ARROW-6874



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