Gabor Gevay created FLINK-4575:
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Summary: DataSet aggregate methods should support POJOs
Key: FLINK-4575
URL: https://issues.apache.org/jira/browse/FLINK-4575
Project: Flink
Issue Type: Improvement
Components: DataSet API
Reporter: Gabor Gevay
Priority: Minor
The aggregate methods of DataSets (aggregate, sum, min, max) currently only
support Tuples, with the fields specified by indices. With
https://issues.apache.org/jira/browse/FLINK-3702 resolved, adding support for
POJOs and field expressions would be easy: {{AggregateOperator}} would create
{{FieldAccessors}} instead of just storing field positions, and
{{AggregateOperator.AggregatingUdf}} would use these {{FieldAccessors}} instead
of the Tuple field access methods.
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