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 and 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 and 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()