[jira] [Commented] (ARROW-14018) [Python] Interval types are not bound in Python

["Joris Van den Bossche (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-14018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17416323#comment-17416323 ] 

Joris Van den Bossche commented on ARROW-14018:
-----------------------------------------------

Somewhat a duplicate of ARROW-13806 (although that issue also talks about python/pandas <-> arrow conversion, but of course a preliminary for that is basic bindings)

> [Python] Interval types are not bound in Python
> -----------------------------------------------
>
>                 Key: ARROW-14018
>                 URL: https://issues.apache.org/jira/browse/ARROW-14018
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: David Li
>            Priority: Major
>
> Note that compute functions will still get generated, they'll just error when used:
> {noformat}
> >>> pc.month_interval_between(pa.array([1, 2], pa.timestamp('s')), pa.array([3, 4], pa.timestamp('s')))
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/home/lidavidm/Code/upstream/arrow-13548/python/pyarrow/compute.py", line 181, in wrapper
>     return func.call(args, None, memory_pool)
>   File "pyarrow/_compute.pyx", line 341, in pyarrow._compute.Function.call
>     return wrap_datum(result)
>   File "pyarrow/array.pxi", line 557, in pyarrow.lib.wrap_datum
>     return pyarrow_wrap_array(MakeArray(datum.array()))
>   File "pyarrow/public-api.pxi", line 200, in pyarrow.lib.pyarrow_wrap_array
>     klass = get_array_class_from_type(sp_array.get().type())
>   File "pyarrow/array.pxi", line 2420, in pyarrow.lib.get_array_class_from_type
>     return _array_classes[data_type.id()]
> KeyError: 21 {noformat}



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