[ARROW-2314] [Python] Union array slicing is defective

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.10.0
• Component/s: C++, Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/18265
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 15/Mar/18 11:43
• Updated: 11/Jan/23 07:20
• Resolved: 21/Apr/18 14:36

Description

>>> a = pa.UnionArray.from_sparse(pa.array([0,1,1], type=pa.int8()), [pa.array(["a", "b", "c"]), pa.array([2,3,4])])
>>> a
<pyarrow.lib.UnionArray object at 0x7fe9381304a8>
[
  'a',
  3,
  4
]
>>> a[1:]
<pyarrow.lib.UnionArray object at 0x7fe939409598>
[
  2,
  3
]

Issue Links

• links to: GitHub Pull Request #1757