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.procedures
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	Description
FunctionDefinition	AggregateExpression.getFunctionDefinition()
FunctionDefinition	CallExpression.getFunctionDefinition()

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

Modifier and Type	Method	Description
static CallExpression	CallExpression.anonymous(FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)	Creates a CallExpression to an anonymous function that has been declared inline without a FunctionIdentifier.
static CallExpression	CallExpression.permanent(FunctionIdentifier functionIdentifier, FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)	Creates a CallExpression to a permanent function (persisted in a Catalog or provided by a Module).
String	DefaultSqlFactory.serializeInlineFunction(FunctionDefinition functionDefinition)
String	SqlFactory.serializeInlineFunction(FunctionDefinition functionDefinition)	Called when an inline function is serialized.
static CallExpression	CallExpression.temporary(FunctionIdentifier functionIdentifier, FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)	Creates a CallExpression to a temporary function (potentially shadowing a Catalog function or providing a system function).

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

Constructor	Description
AggregateExpression(FunctionDefinition functionDefinition, List<FieldReferenceExpression> args, CallExpression filterExpression, DataType resultType, boolean distinct, boolean approximate, boolean ignoreNulls)
CallExpression(boolean isTemporary, 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	Description
FunctionDefinition	FunctionDefinitionFactory.createFunctionDefinition(String name, CatalogFunction catalogFunction, FunctionDefinitionFactory.Context context)	Creates a FunctionDefinition from given CatalogFunction with the given FunctionDefinitionFactory.Context containing the class loader of the current session, which is useful when it's needed to load class from class name.

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

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

Modifier and Type	Interface	Description
interface	ChangelogFunction	An extension that allows a process table function (PTF) to emit results with changelog semantics.
interface	SpecializedFunction	A FunctionDefinition that can provide a runtime implementation (i.e. the function's body) that is specialized for the given call and session.

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

Modifier and Type	Class	Description
class	AggregateFunction<T,ACC>	Base class for a user-defined aggregate function.
class	AggregateFunctionDefinition	Deprecated. Non-legacy functions can simply omit this wrapper for declarations.
class	AsyncLookupFunction	A wrapper class of AsyncTableFunction for asynchronously lookup rows matching the lookup keys from external system.
class	AsyncPredictFunction	A wrapper class of AsyncTableFunction for asynchronous model inference.
class	AsyncScalarFunction	Base class for a user-defined scalar function which returns results asynchronously.
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	LookupFunction	A wrapper class of TableFunction for synchronously lookup rows matching the lookup keys from external system.
class	PredictFunction	A wrapper class of TableFunction for synchronous model inference.
class	ProcessTableFunction<T>	Base class for a user-defined process table function (PTF).
class	ScalarFunction	Base class for a user-defined scalar function.
class	ScalarFunctionDefinition	Deprecated. Non-legacy functions can simply omit this wrapper for declarations.
class	TableAggregateFunction<T,ACC>	Base class for a user-defined table aggregate function.
class	TableAggregateFunctionDefinition	Deprecated. Non-legacy functions can simply omit this wrapper for declarations.
class	TableFunction<T>	Base class for a user-defined table function.
class	TableFunctionDefinition	Deprecated. Non-legacy functions can simply omit this wrapper for declarations.
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	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	Description
static UserDefinedFunction	UserDefinedFunctionHelper.createSpecializedFunction(String functionName, FunctionDefinition definition, CallContext callContext, ClassLoader builtInClassLoader, org.apache.flink.configuration.ReadableConfig configuration, SpecializedFunction.ExpressionEvaluatorFactory evaluatorFactory)	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	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	Description
Optional<FunctionDefinition>	CoreModule.getFunctionDefinition(String name)
default Optional<FunctionDefinition>	Module.getFunctionDefinition(String name)	Get an optional of FunctionDefinition by a given name.

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

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

Modifier and Type	Class	Description
class	ProcedureDefinition	Definition of a procedure.

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	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	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	Description
Signature.Argument	AndArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	AnyArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	ArrayComparableElementArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	ArrayOfStringArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	CommonArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	CompositeArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	ConstraintArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	ExplicitArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	FamilyArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	IndexArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	ItemAtIndexArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	JsonQueryOnErrorEmptyArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	LiteralArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	OrArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	OutputArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	PercentageArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	PercentageArrayArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	RootArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	SymbolArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
Signature.Argument	TypeLiteralArgumentTypeStrategy.getExpectedArgument(FunctionDefinition functionDefinition, int argumentPos)
List<Signature>	CommonCollectionInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	CommonInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	ComparableTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	LeadLagInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	OrInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	OverTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	ReinterpretCastInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	RepeatingSequenceInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	SequenceInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	SubQueryInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	SubsequenceInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	VaryingSequenceInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	WildcardInputTypeStrategy.getExpectedSignatures(FunctionDefinition definition)
List<Signature>	WindowTimeIndictorInputTypeStrategy.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	Description
FunctionDefinition	CastCallContext.getFunctionDefinition()
FunctionDefinition	UnknownCallContext.getFunctionDefinition()

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

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