Uses of Interface
org.apache.flink.table.functions.FunctionDefinition

Packages that use FunctionDefinition

Package	Description
org.apache.flink.table.expressions
org.apache.flink.table.factories
org.apache.flink.table.functions
org.apache.flink.table.functions.python
org.apache.flink.table.module
org.apache.flink.table.types.inference
org.apache.flink.table.types.inference.strategies
org.apache.flink.table.types.inference.utils

Uses of FunctionDefinition in org.apache.flink.table.expressions

Methods in org.apache.flink.table.expressions that return FunctionDefinition

Modifier and Type	Method and Description
FunctionDefinition	AggregateExpression.getFunctionDefinition()
FunctionDefinition	CallExpression.getFunctionDefinition()

Constructors in org.apache.flink.table.expressions with parameters of type FunctionDefinition

Constructor and Description
AggregateExpression(FunctionDefinition functionDefinition, List<FieldReferenceExpression> args, CallExpression filterExpression, DataType resultType, boolean distinct, boolean approximate, boolean ignoreNulls)
CallExpression(FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)
CallExpression(FunctionIdentifier functionIdentifier, FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)

Uses of FunctionDefinition in org.apache.flink.table.factories

Methods in org.apache.flink.table.factories that return FunctionDefinition

Modifier and Type	Method and Description
FunctionDefinition	FunctionDefinitionFactory.createFunctionDefinition(String name, CatalogFunction catalogFunction) Creates a FunctionDefinition from given CatalogFunction.

Uses of FunctionDefinition in org.apache.flink.table.functions

Subinterfaces of FunctionDefinition in org.apache.flink.table.functions

Modifier and Type	Interface and Description
interface	SpecializedFunction A FunctionDefinition that can provide a runtime implementation (i.e.

Classes in org.apache.flink.table.functions that implement FunctionDefinition

Modifier and Type	Class and Description
class	AggregateFunction<T,ACC> Base class for a user-defined aggregate function.
class	AggregateFunctionDefinition A "marker" function definition of an user-defined aggregate function that uses the old type system stack.
class	AsyncTableFunction<T> Base class for a user-defined asynchronous table function.
class	BuiltInFunctionDefinition Definition of a built-in function.
class	ImperativeAggregateFunction<T,ACC> Base class for user-defined AggregateFunction and TableAggregateFunction.
class	ScalarFunction Base class for a user-defined scalar function.
class	ScalarFunctionDefinition A "marker" function definition of a user-defined scalar function that uses the old type system stack.
class	TableAggregateFunction<T,ACC> Base class for a user-defined table aggregate function.
class	TableAggregateFunctionDefinition A "marker" function definition of an user-defined table aggregate function that uses the old type system stack.
class	TableFunction<T> Base class for a user-defined table function.
class	TableFunctionDefinition A "marker" function definition of an user-defined table function that uses the old type system stack.
class	TemporalTableFunction Class representing temporal table function over some history table.
class	UserDefinedFunction Base class for all user-defined functions.

Fields in org.apache.flink.table.functions with type parameters of type FunctionDefinition

Modifier and Type	Field and Description
static List<FunctionDefinition>	BuiltInFunctionDefinitions.ORDERING
static Set<FunctionDefinition>	BuiltInFunctionDefinitions.TIME_ATTRIBUTES
static Set<FunctionDefinition>	BuiltInFunctionDefinitions.WINDOW_PROPERTIES

Methods in org.apache.flink.table.functions with parameters of type FunctionDefinition

Modifier and Type	Method and Description
static UserDefinedFunction	UserDefinedFunctionHelper.createSpecializedFunction(String functionName, FunctionDefinition definition, CallContext callContext, ClassLoader builtInClassLoader, org.apache.flink.configuration.ReadableConfig configuration) Creates the runtime implementation of a FunctionDefinition as an instance of UserDefinedFunction.

Uses of FunctionDefinition in org.apache.flink.table.functions.python

Classes in org.apache.flink.table.functions.python that implement FunctionDefinition

Modifier and Type	Class and Description
class	PythonAggregateFunction The wrapper of user defined python aggregate function.
class	PythonScalarFunction The wrapper of user defined python scalar function.
class	PythonTableAggregateFunction The wrapper of user defined python table aggregate function.
class	PythonTableFunction The wrapper of user defined python table function.

Uses of FunctionDefinition in org.apache.flink.table.module

Methods in org.apache.flink.table.module that return types with arguments of type FunctionDefinition

Modifier and Type	Method and Description
default Optional<FunctionDefinition>	Module.getFunctionDefinition(String name) Get an optional of FunctionDefinition by a given name.
Optional<FunctionDefinition>	CoreModule.getFunctionDefinition(String name)

Uses of FunctionDefinition in org.apache.flink.table.types.inference

Methods in org.apache.flink.table.types.inference that return FunctionDefinition

Modifier and Type	Method and Description
FunctionDefinition	CallContext.getFunctionDefinition() Returns the function definition that defines the function currently being called.

Methods in org.apache.flink.table.types.inference with parameters of type FunctionDefinition

Modifier and Type	Method and Description
static String	TypeInferenceUtil.generateSignature(TypeInference typeInference, String name, FunctionDefinition definition) Generates a signature of the given FunctionDefinition.
Signature.Argument	ArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos) Returns a summary of the function's expected argument at argumentPos.
List<Signature>	InputTypeStrategy.getExpectedSignatures(FunctionDefinition definition) Returns a summary of the function's expected signatures.
static TypeInferenceUtil.SurroundingInfo	TypeInferenceUtil.SurroundingInfo.of(String name, FunctionDefinition functionDefinition, TypeInference typeInference, int argumentCount, int innerCallPosition, boolean isGroupedAggregation)

Uses of FunctionDefinition in org.apache.flink.table.types.inference.strategies

Methods in org.apache.flink.table.types.inference.strategies with parameters of type FunctionDefinition

Modifier and Type	Method and Description
Signature.Argument	CommonArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	RootArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	FamilyArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	ExplicitArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	TypeLiteralArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	LiteralArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	ConstraintArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	CompositeArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	OrArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	OutputArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	AndArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	AnyArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	SymbolArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
List<Signature>	ComparableTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	SequenceInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	OrInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	WildcardInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	CommonInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	VaryingSequenceInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	SubsequenceInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)

Uses of FunctionDefinition in org.apache.flink.table.types.inference.utils

Methods in org.apache.flink.table.types.inference.utils that return FunctionDefinition

Modifier and Type	Method and Description
FunctionDefinition	AdaptedCallContext.getFunctionDefinition()
FunctionDefinition	UnknownCallContext.getFunctionDefinition()

Constructors in org.apache.flink.table.types.inference.utils with parameters of type FunctionDefinition

Constructor and Description
UnknownCallContext(DataTypeFactory typeFactory, String name, FunctionDefinition functionDefinition, int argumentCount, boolean isGroupedAggregation)