io.prestosql.operator.aggregation

Class MergeQuantileDigestFunction

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.MergeQuantileDigestFunction

All Implemented Interfaces:

SqlFunction

public final class MergeQuantileDigestFunction
extends SqlAggregationFunction

Field Summary

Fields

Modifier and Type	Field and Description
static MergeQuantileDigestFunction	MERGE
static String	NAME

Constructor Summary

Constructors

Constructor and Description
MergeQuantileDigestFunction()

Method Summary

Modifier and Type	Method and Description
static void	combine(QuantileDigestState state, QuantileDigestState otherState)
String	getDescription()
static void	input(Type type, QuantileDigestState state, Block value, int index)
static void	output(QuantileDigestStateSerializer serializer, QuantileDigestState state, BlockBuilder out)
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

MERGE

public static final MergeQuantileDigestFunction MERGE

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

MergeQuantileDigestFunction

public MergeQuantileDigestFunction()

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(Type type,
                         QuantileDigestState state,
                         Block value,
                         int index)

combine

public static void combine(QuantileDigestState state,
                           QuantileDigestState otherState)

output

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