Class BatchApproxCountDistinctAggFunctions.TimeApproxCountDistinctAggFunction
- java.lang.Object
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- org.apache.flink.table.functions.UserDefinedFunction
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- org.apache.flink.table.functions.ImperativeAggregateFunction<T,ACC>
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- org.apache.flink.table.functions.AggregateFunction<T,ACC>
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- org.apache.flink.table.runtime.functions.aggregate.BuiltInAggregateFunction<Long,HllBuffer>
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- org.apache.flink.table.runtime.functions.aggregate.BatchApproxCountDistinctAggFunctions.ApproxCountDistinctAggFunction<Integer>
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- org.apache.flink.table.runtime.functions.aggregate.BatchApproxCountDistinctAggFunctions.TimeApproxCountDistinctAggFunction
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- All Implemented Interfaces:
Serializable,FunctionDefinition
- Enclosing class:
- BatchApproxCountDistinctAggFunctions
public static class BatchApproxCountDistinctAggFunctions.TimeApproxCountDistinctAggFunction extends BatchApproxCountDistinctAggFunctions.ApproxCountDistinctAggFunction<Integer>
Built-in Time APPROX_COUNT_DISTINCT aggregate function.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description TimeApproxCountDistinctAggFunction()
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Method Summary
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Methods inherited from class org.apache.flink.table.runtime.functions.aggregate.BatchApproxCountDistinctAggFunctions.ApproxCountDistinctAggFunction
accumulate, createAccumulator, getAccumulatorDataType, getArgumentDataTypes, getOutputDataType, getValue, merge, resetAccumulator
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Methods inherited from class org.apache.flink.table.runtime.functions.aggregate.BuiltInAggregateFunction
getRequirements, getTypeInference, isDeterministic
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Methods inherited from class org.apache.flink.table.functions.AggregateFunction
getKind
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Methods inherited from class org.apache.flink.table.functions.ImperativeAggregateFunction
getAccumulatorType, getResultType
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Methods inherited from class org.apache.flink.table.functions.UserDefinedFunction
close, functionIdentifier, open, toString
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.flink.table.functions.FunctionDefinition
supportsConstantFolding
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