[ARROW-640] [Python] Arrow scalar values should have a sensible __hash__ and comparison

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.10.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/15365
• Assignee: Alex Hagerman
• Reporter: Miki Tebeka
• Created: 16/Mar/17 14:20
• Updated: 11/Jan/23 07:10
• Resolved: 26/Mar/18 21:54

Description

In [86]: arr = pa.from_pylist([1, 1, 1, 2])

In [87]: set(arr)
Out[87]: {1, 2, 1, 1}

In [88]: arr[0] == arr[1]
Out[88]: False

In [89]: arr
Out[89]: 
<pyarrow.array.Int64Array object at 0x7f8c8c739e08>
[
  1,
  1,
  1,
  2
]

Issue Links

• links to: GitHub Pull Request #1765