Package org.apache.flink.table.runtime.functions.aggregate

Class BatchApproxCountDistinctAggFunctions

java.lang.Object

org.apache.flink.table.runtime.functions.aggregate.BatchApproxCountDistinctAggFunctions

public class BatchApproxCountDistinctAggFunctions
extends Object

Built-in APPROX_COUNT_DISTINCT aggregate function for Batch sql.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BatchApproxCountDistinctAggFunctions.ApproxCountDistinctAggFunction<T>	Base function for APPROX_COUNT_DISTINCT aggregate.
static class	BatchApproxCountDistinctAggFunctions.ByteApproxCountDistinctAggFunction	Built-in byte APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.DateApproxCountDistinctAggFunction	Built-in Date APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.DecimalApproxCountDistinctAggFunction	Built-in decimal APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.DoubleApproxCountDistinctAggFunction	Built-in double APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.FloatApproxCountDistinctAggFunction	Built-in float APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.IntApproxCountDistinctAggFunction	Built-in int APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.LongApproxCountDistinctAggFunction	Built-in long APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.ShortApproxCountDistinctAggFunction	Built-in Short APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.StringApproxCountDistinctAggFunction	Built-in string APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.TimeApproxCountDistinctAggFunction	Built-in Time APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.TimestampApproxCountDistinctAggFunction	Built-in Timestamp APPROX_COUNT_DISTINCT aggregate function.
static class	BatchApproxCountDistinctAggFunctions.TimestampLtzApproxCountDistinctAggFunction	Built-in TimestampLtz APPROX_COUNT_DISTINCT aggregate function.

Constructor Summary

Constructors

Constructor	Description
BatchApproxCountDistinctAggFunctions()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BatchApproxCountDistinctAggFunctions

public BatchApproxCountDistinctAggFunctions()