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

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

Package	Description
org.apache.flink.table.connector.source
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.module
org.apache.flink.table.procedures
org.apache.flink.table.sources
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

Class and 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.connector.source.lookup

Class and 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 and 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 and Description
FunctionDefinition Definition of a function.

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

Class and 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 and 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.module

Class and Description
FunctionDefinition Definition of a function.

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

Class and 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.sources

Class and 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.types.extraction

Class and 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 and Description
FunctionDefinition Definition of a function.

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

Class and Description
FunctionDefinition Definition of a function.

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

Class and Description
FunctionDefinition Definition of a function.