Uses of Package
org.apache.flink.table.functions

Packages that use org.apache.flink.table.functions

Package	Description
org.apache.flink.table.connector.source.lookup
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.legacy.connector.source
org.apache.flink.table.legacy.sources
org.apache.flink.table.module
org.apache.flink.table.procedures
org.apache.flink.table.types.extraction
org.apache.flink.table.types.inference
org.apache.flink.table.types.inference.strategies
org.apache.flink.table.types.inference.utils

Classes in org.apache.flink.table.functions used by org.apache.flink.table.connector.source.lookup

Class	Description
AsyncLookupFunction	A wrapper class of AsyncTableFunction for asynchronously lookup rows matching the lookup keys from external system.
LookupFunction	A wrapper class of TableFunction for synchronously lookup rows matching the lookup keys from external system.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.expressions

Class	Description
BuiltInFunctionDefinition	Definition of a built-in function.
FunctionDefinition	Definition of a function.
FunctionIdentifier	Identifies a system function with function name or a catalog function with a fully qualified identifier.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.factories

Class	Description
FunctionDefinition	Definition of a function.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.functions

Class	Description
AggregateFunction	Base class for a user-defined aggregate function.
AsyncTableFunction	Base class for a user-defined asynchronous table function.
BuiltInFunctionDefinition	Definition of a built-in function.
BuiltInFunctionDefinition.Builder	Builder for fluent definition of built-in functions.
FunctionContext	A FunctionContext allows to obtain global runtime information about the context in which the user-defined function is executed.
FunctionDefinition	Definition of a function.
FunctionIdentifier	Identifies a system function with function name or a catalog function with a fully qualified identifier.
FunctionKind	Categorizes the semantics of a FunctionDefinition.
FunctionRequirement	Characteristics that a FunctionDefinition requires.
ImperativeAggregateFunction	Base class for user-defined AggregateFunction and TableAggregateFunction.
ScalarFunction	Base class for a user-defined scalar function.
SpecializedFunction	A FunctionDefinition that can provide a runtime implementation (i.e. the function's body) that is specialized for the given call and session.
SpecializedFunction.ExpressionEvaluator	Serializable factory that can be passed into a UserDefinedFunction for evaluating previously defined expression during runtime.
SpecializedFunction.ExpressionEvaluatorFactory	Helper interface for creating SpecializedFunction.ExpressionEvaluators.
SpecializedFunction.SpecializedContext	Provides call and session information for the specialized function.
SqlCallSyntax	Provides a format for unparsing BuiltInFunctionDefinitions into a SQL string.
TableAggregateFunction	Base class for a user-defined table aggregate function.
TableFunction	Base class for a user-defined table function.
UserDefinedFunction	Base class for all user-defined functions.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.functions.python

Class	Description
AggregateFunction	Base class for a user-defined aggregate function.
FunctionDefinition	Definition of a function.
ImperativeAggregateFunction	Base class for user-defined AggregateFunction and TableAggregateFunction.
ScalarFunction	Base class for a user-defined scalar function.
TableAggregateFunction	Base class for a user-defined table aggregate function.
TableFunction	Base class for a user-defined table function.
UserDefinedFunction	Base class for all user-defined functions.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.legacy.connector.source

Class	Description
AsyncTableFunction	Base class for a user-defined asynchronous table function.
TableFunction	Base class for a user-defined table function.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.legacy.sources

Class	Description
AsyncTableFunction	Base class for a user-defined asynchronous table function.
TableFunction	Base class for a user-defined table function.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.module

Class	Description
FunctionDefinition	Definition of a function.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.procedures

Class	Description
FunctionDefinition	Definition of a function.
FunctionKind	Categorizes the semantics of a FunctionDefinition.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.types.extraction

Class	Description
AggregateFunction	Base class for a user-defined aggregate function.
AsyncScalarFunction	Base class for a user-defined scalar function which returns results asynchronously.
AsyncTableFunction	Base class for a user-defined asynchronous table function.
ScalarFunction	Base class for a user-defined scalar function.
TableAggregateFunction	Base class for a user-defined table aggregate function.
TableFunction	Base class for a user-defined table function.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.types.inference

Class	Description
FunctionDefinition	Definition of a function.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.types.inference.strategies

Class	Description
FunctionDefinition	Definition of a function.

Classes in org.apache.flink.table.functions used by org.apache.flink.table.types.inference.utils

Class	Description
FunctionDefinition	Definition of a function.