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From "Uwe L. Korn (JIRA)" <>
Subject [jira] [Commented] (ARROW-86) Python: Implement zero-copy Arrow-to-Pandas conversion
Date Wed, 30 Mar 2016 08:57:25 GMT


Uwe L. Korn commented on ARROW-86:


> Python: Implement zero-copy Arrow-to-Pandas conversion
> ------------------------------------------------------
>                 Key: ARROW-86
>                 URL:
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Uwe L. Korn
>            Assignee: Uwe L. Korn
> For this to work, we need:
>  * a check if the Arrow Array could be represented as Pandas Series using the same memory
>  * a {{numpy.ndarray}} subclass that keeps a reference to the Arrow Array
> With the NumPy C-API it is already possible to create a {{numpy.ndarray}} instance that
uses the Arrow Array memory buffer internally but there is no way to keep track if the {{numpy.ndarray}}
still lives or the underlying memory can be free'd.

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