| 程序包 | 说明 |
|---|---|
| org.apache.flink.api.java | |
| org.apache.flink.api.java.operators |
| 限定符和类型 | 方法和说明 |
|---|---|
<R> GroupCombineOperator<T,R> |
DataSet.combineGroup(org.apache.flink.api.common.functions.GroupCombineFunction<T,R> combiner)
Applies a GroupCombineFunction on a non-grouped
DataSet. |
| 限定符和类型 | 方法和说明 |
|---|---|
<R> GroupCombineOperator<T,R> |
UnsortedGrouping.combineGroup(org.apache.flink.api.common.functions.GroupCombineFunction<T,R> combiner)
Applies a GroupCombineFunction on a grouped
DataSet. |
<R> GroupCombineOperator<T,R> |
SortedGrouping.combineGroup(org.apache.flink.api.common.functions.GroupCombineFunction<T,R> combiner)
Applies a GroupCombineFunction on a grouped
DataSet. |
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