[BEAM-11304] groupby(Series).size() on a filtered dataframe is incorrect

• Type: Bug
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Affects Version/s: 2.25.0
• Fix Version/s: 2.26.0
• Component/s: sdk-py-core
• Assignee: Brian Hulette
• Reporter: Brian Hulette
• Created: 18/Nov/20 23:26
• Updated: 15/May/21 17:57
• Resolved: 15/May/21 17:57

Description

e.g. df[df.value > x].groupby(df.group).size() produces the wrong value. It returns the sizes of the unfiltered dataset

Issue Links

• links to: GitHub Pull Request #13380