[BEAM-12017] Implement combine, combine_first for DataFrame and Series

• Type: Improvement
• Status: Resolved
• Priority: P3
• Resolution: Fixed
• Fix Version/s: 2.30.0
• Component/s: dsl-dataframe, sdk-py-core
• Labels: dataframe-api
• Assignee: Irwin Alejandro Rodirguez Ramirez
• Reporter: Brian Hulette
• Created: 18/Mar/21 15:24
• Updated: 22/Jun/21 19:21
• Resolved: 25/May/21 19:37

Description

Add an implementation for combine and combine_first that works for DeferredDataFrame and DeferredSeries, and is fully unit tested with some combination of pandas_doctests_test.py and frames_test.py.

https://github.com/apache/beam/pull/14274 is an example of a typical PR that adds new operations.

Issue Links

• is part of: BEAM-9547 Implement all pandas operations (or raise WontImplementError)
• links to: GitHub Pull Request #14656