Stephan Ewen created FLINK-1020:
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Summary: Add minBy() and maxBy() selection functions
Key: FLINK-1020
URL: https://issues.apache.org/jira/browse/FLINK-1020
Project: Flink
Issue Type: Improvement
Components: Java API
Affects Versions: 0.6-incubating
Reporter: Stephan Ewen
Priority: Minor
Fix For: 0.6-incubating
Adding a minBy() and maxBy() function is a valuable addition. Those are not
aggregation functions, because they do not work on individual fields.
They can be implemented as a simple reduce.
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