io.prestosql.metadata

Class SqlAggregationFunction

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

All Implemented Interfaces:

SqlFunction

Direct Known Subclasses:

AbstractMinMaxAggregationFunction, AbstractMinMaxBy, AbstractMinMaxByNAggregationFunction, AbstractMinMaxNAggregationFunction, ArbitraryAggregationFunction, ArrayAggregationFunction, ChecksumAggregationFunction, CountColumn, DecimalAverageAggregation, DecimalSumAggregation, Histogram, MapAggregationFunction, MapUnionAggregation, MergeQuantileDigestFunction, MultimapAggregationFunction, ParametricAggregation, QuantileDigestAggregationFunction, RealAverageAggregation, ReduceAggregationFunction

public abstract class SqlAggregationFunction
extends Object
implements SqlFunction

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SqlAggregationFunction(Signature signature, boolean hidden)
protected	SqlAggregationFunction(String name, List<TypeVariableConstraint> typeVariableConstraints, List<LongVariableConstraint> longVariableConstraints, TypeSignature returnType, List<TypeSignature> argumentTypes)
protected	SqlAggregationFunction(String name, List<TypeVariableConstraint> typeVariableConstraints, List<LongVariableConstraint> longVariableConstraints, TypeSignature returnType, List<TypeSignature> argumentTypes, FunctionKind kind)

Method Summary

Modifier and Type	Method and Description
static List<SqlAggregationFunction>	createFunctionByAnnotations(Class<?> aggregationDefinition)
static List<SqlAggregationFunction>	createFunctionsByAnnotations(Class<?> aggregationDefinition)
Signature	getSignature()
boolean	isDeterministic()
boolean	isHidden()
abstract InternalAggregationFunction	specialize(BoundVariables boundVariables, int arity, TypeManager typeManager, FunctionRegistry functionRegistry)

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

getDescription

Constructor Detail

SqlAggregationFunction

protected SqlAggregationFunction(String name,
                                 List<TypeVariableConstraint> typeVariableConstraints,
                                 List<LongVariableConstraint> longVariableConstraints,
                                 TypeSignature returnType,
                                 List<TypeSignature> argumentTypes)

SqlAggregationFunction

protected SqlAggregationFunction(String name,
                                 List<TypeVariableConstraint> typeVariableConstraints,
                                 List<LongVariableConstraint> longVariableConstraints,
                                 TypeSignature returnType,
                                 List<TypeSignature> argumentTypes,
                                 FunctionKind kind)

SqlAggregationFunction

protected SqlAggregationFunction(Signature signature,
                                 boolean hidden)

Method Detail

createFunctionByAnnotations

public static List<SqlAggregationFunction> createFunctionByAnnotations(Class<?> aggregationDefinition)

createFunctionsByAnnotations

public static List<SqlAggregationFunction> createFunctionsByAnnotations(Class<?> aggregationDefinition)

getSignature

public final Signature getSignature()

Specified by:

getSignature in interface SqlFunction

isHidden

public boolean isHidden()

Specified by:

isHidden in interface SqlFunction

isDeterministic

public boolean isDeterministic()

Specified by:

isDeterministic in interface SqlFunction

specialize

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