Package 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	Description
protected	SqlAggregationFunction(FunctionMetadata functionMetadata, boolean decomposable, boolean orderSensitive)

Method Summary

Modifier and Type	Method	Description
static List<SqlAggregationFunction>	createFunctionByAnnotations(Class<?> aggregationDefinition)
static List<SqlAggregationFunction>	createFunctionsByAnnotations(Class<?> aggregationDefinition)
AggregationFunctionMetadata	getAggregationMetadata(FunctionBinding functionBinding)
FunctionMetadata	getFunctionMetadata()
protected List<TypeSignature>	getIntermediateTypes(FunctionBinding functionBinding)
protected InternalAggregationFunction	specialize(FunctionBinding functionBinding)
InternalAggregationFunction	specialize(FunctionBinding functionBinding, FunctionDependencies functionDependencies)

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

Constructor Detail

SqlAggregationFunction

protected SqlAggregationFunction(FunctionMetadata functionMetadata,
                                 boolean decomposable,
                                 boolean orderSensitive)

Method Detail

createFunctionByAnnotations

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

createFunctionsByAnnotations

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

getFunctionMetadata

public FunctionMetadata getFunctionMetadata()

Specified by:

getFunctionMetadata in interface SqlFunction

getAggregationMetadata

public AggregationFunctionMetadata getAggregationMetadata(FunctionBinding functionBinding)

getIntermediateTypes

protected List<TypeSignature> getIntermediateTypes(FunctionBinding functionBinding)

specialize

public InternalAggregationFunction specialize(FunctionBinding functionBinding,
                                              FunctionDependencies functionDependencies)

specialize

protected InternalAggregationFunction specialize(FunctionBinding functionBinding)