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Posted to jira@arrow.apache.org by "Kyle Kavanagh (Jira)" <ji...@apache.org> on 2022/03/24 16:36:00 UTC

[jira] [Created] (ARROW-16020) [Python] Provide access to buffers underlying scalars

Kyle Kavanagh created ARROW-16020:
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             Summary: [Python] Provide access to buffers underlying scalars 
                 Key: ARROW-16020
                 URL: https://issues.apache.org/jira/browse/ARROW-16020
             Project: Apache Arrow
          Issue Type: New Feature
            Reporter: Kyle Kavanagh


I'm building a process to take data from pyarrow Tables and write their data a memory mapped file in a custom format.  Currently, I iterate through the arrow table and must call as_py() only to convert the python value to bytes and write to the memory mapped file.  If the pyarrow scalar API provided a view over the underlying storage, I could simply memcopy the values from the arrow buffer into the mmap buffer.



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