[ARROW-9998] [Python] Support pickling DictionaryScalar

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Fix Version/s: 2.0.0
• Component/s: Python
• External issue URL: https://github.com/apache/arrow/issues/26023
• Assignee: Krisztian Szucs
• Reporter: Krisztian Szucs
• Created: 14/Sep/20 15:40
• Updated: 11/Jan/23 08:10
• Resolved: 23/Sep/20 13:25

Description

Since the pa.array factory function doesn't support the creation of dictionary array pickling has not been implemented for dictionary scalars yet.

Issue Links

• is duplicated by: ARROW-9593 [Python] Add custom pickle reducers for DictionaryScalar