Greg Hogan created FLINK-4231:
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Summary: Switch DistinctOperator from GroupReduceFunction to
ReduceFunction
Key: FLINK-4231
URL: https://issues.apache.org/jira/browse/FLINK-4231
Project: Flink
Issue Type: Improvement
Components: Java API
Affects Versions: 1.1.0
Reporter: Greg Hogan
Assignee: Greg Hogan
As discussed in FLINK-3279, rewriting {{DistinctOperator}} to a
{{ReduceFunction}} rather than the current {{GroupReduceFunction}} allows the
user to set the {{CombineHint}} and choose a hash-based, sort-based, or no
combiner.
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