Package 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	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	Description
static void	combineState(QuantileDigestState state, QuantileDigestState otherState)
static void	evaluateFinal(QuantileDigestStateSerializer serializer, QuantileDigestState state, BlockBuilder out)
List<TypeSignature>	getIntermediateTypes(FunctionBinding functionBinding)
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(FunctionBinding functionBinding)

Methods inherited from class io.prestosql.metadata.SqlAggregationFunction

createFunctionByAnnotations, createFunctionsByAnnotations, getAggregationMetadata, getFunctionMetadata, specialize

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.prestosql.metadata.SqlFunction

getFunctionDependencies, getFunctionDependencies

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

getIntermediateTypes

public List<TypeSignature> getIntermediateTypes(FunctionBinding functionBinding)

Overrides:

getIntermediateTypes in class SqlAggregationFunction

specialize

public InternalAggregationFunction specialize(FunctionBinding functionBinding)

Overrides:

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)