io.prestosql.metadata

Class SqlScalarFunction

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

All Implemented Interfaces:

SqlFunction

Direct Known Subclasses:

AbstractGreatestLeast, ApplyFunction, ArrayConcatFunction, ArrayConstructor, ArrayFlattenFunction, ArrayJoin, ArrayJoin.ArrayJoinWithNullReplacement, ArrayReduceFunction, ArrayToElementConcatFunction, ArrayTransformFunction, ConcatFunction, ElementToArrayConcatFunction, InvokeFunction, JsonStringToArrayCast, JsonStringToMapCast, JsonStringToRowCast, MapConcatFunction, MapConstructor, MapElementAtFunction, MapFilterFunction, MapTransformKeyFunction, MapTransformValueFunction, MapZipWithFunction, ParametricScalar, SqlOperator, TryCastFunction, ZipFunction, ZipWithFunction

public abstract class SqlScalarFunction
extends Object
implements SqlFunction

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SqlScalarFunction(Signature signature)

Method Summary

Modifier and Type	Method and Description
static PolymorphicScalarFunctionBuilder	builder(Class<?> clazz)
Signature	getSignature()
abstract ScalarFunctionImplementation	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, isDeterministic, isHidden

Constructor Detail

SqlScalarFunction

protected SqlScalarFunction(Signature signature)

Method Detail

getSignature

public final Signature getSignature()

Specified by:

getSignature in interface SqlFunction

specialize

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

builder

public static PolymorphicScalarFunctionBuilder builder(Class<?> clazz)