Cody Schroeder created BEAM-4405:
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Summary: Support SortValues GroupByKey extension
Key: BEAM-4405
URL: https://issues.apache.org/jira/browse/BEAM-4405
Project: Beam
Issue Type: Improvement
Components: sdk-go
Reporter: Cody Schroeder
Assignee: Henning Rohde
A port of the Java
[SortValues|https://beam.apache.org/documentation/sdks/java-extensions/]
extension would be helpful in the Go SDK.
Brief summary of the extension: for a GroupByKey or CoGroupByKey operation,
allow the user to specify that the value streams per key should be sorted
(either by their byte encoding or by a secondary sort key) upon delivery the
user's ParDo.
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