@Internal public class ComparableAggregator<T> extends AggregationFunction<T>
AggregationFunction
that computes values based on comparisons of
Comparables
.AggregationFunction.AggregationType
构造器和说明 |
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ComparableAggregator(int positionToAggregate,
org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo,
AggregationFunction.AggregationType aggregationType,
boolean first,
org.apache.flink.api.common.ExecutionConfig config) |
ComparableAggregator(int positionToAggregate,
org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo,
AggregationFunction.AggregationType aggregationType,
org.apache.flink.api.common.ExecutionConfig config) |
ComparableAggregator(String field,
org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo,
AggregationFunction.AggregationType aggregationType,
boolean first,
org.apache.flink.api.common.ExecutionConfig config) |
public ComparableAggregator(int positionToAggregate, org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo, AggregationFunction.AggregationType aggregationType, org.apache.flink.api.common.ExecutionConfig config)
public ComparableAggregator(int positionToAggregate, org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo, AggregationFunction.AggregationType aggregationType, boolean first, org.apache.flink.api.common.ExecutionConfig config)
public ComparableAggregator(String field, org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo, AggregationFunction.AggregationType aggregationType, boolean first, org.apache.flink.api.common.ExecutionConfig config)
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