io.prestosql.operator.aggregation

Class QuantileDigestAggregationFunction

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.QuantileDigestAggregationFunction

All Implemented Interfaces:

SqlFunction

public final class QuantileDigestAggregationFunction
extends SqlAggregationFunction

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME
static QuantileDigestAggregationFunction	QDIGEST_AGG
static QuantileDigestAggregationFunction	QDIGEST_AGG_WITH_WEIGHT
static QuantileDigestAggregationFunction	QDIGEST_AGG_WITH_WEIGHT_AND_ERROR

Method Summary

Modifier and Type	Method and Description
static void	combineState(QuantileDigestState state, QuantileDigestState otherState)
static void	evaluateFinal(QuantileDigestStateSerializer serializer, QuantileDigestState state, BlockBuilder out)
String	getDescription()
static void	inputBigint(QuantileDigestState state, long value, long weight, double accuracy)
static void	inputDouble(QuantileDigestState state, double value, long weight, double accuracy)
static void	inputReal(QuantileDigestState state, long value, long weight, double accuracy)
InternalAggregationFunction	specialize(BoundVariables boundVariables, int arity, TypeManager typeManager, FunctionRegistry functionRegistry)

Methods inherited from class io.prestosql.metadata.SqlAggregationFunction

createFunctionByAnnotations, createFunctionsByAnnotations, getSignature, isDeterministic, isHidden

Methods inherited from class java.lang.Object

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

Field Detail

QDIGEST_AGG

public static final QuantileDigestAggregationFunction QDIGEST_AGG

QDIGEST_AGG_WITH_WEIGHT

public static final QuantileDigestAggregationFunction QDIGEST_AGG_WITH_WEIGHT

QDIGEST_AGG_WITH_WEIGHT_AND_ERROR

public static final QuantileDigestAggregationFunction QDIGEST_AGG_WITH_WEIGHT_AND_ERROR

NAME

public static final String NAME

See Also:

Constant Field Values

Method Detail

getDescription

public String getDescription()

specialize

public InternalAggregationFunction specialize(BoundVariables boundVariables,
                                              int arity,
                                              TypeManager typeManager,
                                              FunctionRegistry functionRegistry)

Specified by:

specialize in class SqlAggregationFunction

inputDouble

public static void inputDouble(QuantileDigestState state,
                               double value,
                               long weight,
                               double accuracy)

inputReal

public static void inputReal(QuantileDigestState state,
                             long value,
                             long weight,
                             double accuracy)

inputBigint

public static void inputBigint(QuantileDigestState state,
                               long value,
                               long weight,
                               double accuracy)

combineState

public static void combineState(QuantileDigestState state,
                                QuantileDigestState otherState)

evaluateFinal

public static void evaluateFinal(QuantileDigestStateSerializer serializer,
                                 QuantileDigestState state,
                                 BlockBuilder out)