io.prestosql.operator.aggregation

Class ReduceAggregationFunction

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.ReduceAggregationFunction

All Implemented Interfaces:

SqlFunction

public class ReduceAggregationFunction
extends SqlAggregationFunction

Field Summary

Fields

Modifier and Type	Field and Description
static ReduceAggregationFunction	REDUCE_AGG

Constructor Summary

Constructors

Constructor and Description
ReduceAggregationFunction()

Method Summary

Modifier and Type	Method and Description
static void	combine(NullableBooleanState state, NullableBooleanState otherState, BinaryFunctionInterface inputFunction, BinaryFunctionInterface combineFunction)
static void	combine(NullableDoubleState state, NullableDoubleState otherState, BinaryFunctionInterface inputFunction, BinaryFunctionInterface combineFunction)
static void	combine(NullableLongState state, NullableLongState otherState, BinaryFunctionInterface inputFunction, BinaryFunctionInterface combineFunction)
String	getDescription()
static void	input(NullableBooleanState state, Object value, boolean initialStateValue, BinaryFunctionInterface inputFunction, BinaryFunctionInterface combineFunction)
static void	input(NullableDoubleState state, Object value, double initialStateValue, BinaryFunctionInterface inputFunction, BinaryFunctionInterface combineFunction)
static void	input(NullableLongState state, Object value, long initialStateValue, BinaryFunctionInterface inputFunction, BinaryFunctionInterface combineFunction)
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

REDUCE_AGG

public static final ReduceAggregationFunction REDUCE_AGG

Constructor Detail

ReduceAggregationFunction

public ReduceAggregationFunction()

Method Detail

getDescription

public String getDescription()

specialize

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

Specified by:

specialize in class SqlAggregationFunction

input

public static void input(NullableLongState state,
                         Object value,
                         long initialStateValue,
                         BinaryFunctionInterface inputFunction,
                         BinaryFunctionInterface combineFunction)

input

public static void input(NullableDoubleState state,
                         Object value,
                         double initialStateValue,
                         BinaryFunctionInterface inputFunction,
                         BinaryFunctionInterface combineFunction)

input

public static void input(NullableBooleanState state,
                         Object value,
                         boolean initialStateValue,
                         BinaryFunctionInterface inputFunction,
                         BinaryFunctionInterface combineFunction)

combine

public static void combine(NullableLongState state,
                           NullableLongState otherState,
                           BinaryFunctionInterface inputFunction,
                           BinaryFunctionInterface combineFunction)

combine

public static void combine(NullableDoubleState state,
                           NullableDoubleState otherState,
                           BinaryFunctionInterface inputFunction,
                           BinaryFunctionInterface combineFunction)

combine

public static void combine(NullableBooleanState state,
                           NullableBooleanState otherState,
                           BinaryFunctionInterface inputFunction,
                           BinaryFunctionInterface combineFunction)