Package | Description |
---|---|
org.apache.flink.api.java |
Modifier and Type | Method and Description |
---|---|
DistinctOperator<T> |
DataSet.distinct()
Returns a distinct set of a
DataSet . |
DistinctOperator<T> |
DataSet.distinct(int... fields)
|
<K> DistinctOperator<T> |
DataSet.distinct(KeySelector<T,K> keyExtractor)
Returns a distinct set of a
DataSet using a KeySelector function. |
DistinctOperator<T> |
DataSet.distinct(String... fields)
Returns a distinct set of a
DataSet using expression keys. |
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