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Posted to issues@arrow.apache.org by "Joris Van den Bossche (Jira)" <ji...@apache.org> on 2019/09/08 19:44:00 UTC

[jira] [Created] (ARROW-6488) [Python] pyarrow.NULL equals to itself

Joris Van den Bossche created ARROW-6488:
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             Summary: [Python] pyarrow.NULL equals to itself
                 Key: ARROW-6488
                 URL: https://issues.apache.org/jira/browse/ARROW-6488
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
            Reporter: Joris Van den Bossche
             Fix For: 0.15.0


Somewhat related to ARROW-6386 on the interpretation of nulls, we currently have the following behaviour:

{code}
In [28]: pa.NULL == pa.NULL                                                                                                                                                                                        
Out[28]: True
{code}

Which I think is certainly unexpected for a null / missing value. I still need to check what the array-level compare kernel does (NULL or False? ideally NULL I think), but we should follow that.



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