| 程序包 | 说明 |
|---|---|
| org.apache.flink.table.runtime.operators.aggregate | |
| org.apache.flink.table.runtime.operators.window |
| 限定符和类型 | 方法和说明 |
|---|---|
static RecordCounter |
RecordCounter.of(int indexOfCountStar)
Creates a
RecordCounter depends on the index of count(*). |
| 限定符和类型 | 字段和说明 |
|---|---|
protected RecordCounter |
WindowOperator.recordCounter
Used to count the number of added and retracted input records.
|
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