[BEAM-11190] grouping on categorical columns should not require Singleton partitioning

• Type: Improvement
• Status: Resolved
• Priority: P3
• Resolution: Fixed
• Fix Version/s: 2.26.0
• Component/s: sdk-py-core
• Assignee: Brian Hulette
• Reporter: Brian Hulette
• Created: 04/Nov/20 01:13
• Updated: 15/Jan/22 01:09
• Resolved: 15/Jan/22 01:09

Description

Currently groupby with observed=False (the default) requires aggregating in the Singleton partition since it would otherwise produce results with every index value within every partition.

Issue Links

• links to: GitHub Pull Request #13256