程序包的使用
org.apache.flink.table.functions

使用org.apache.flink.table.functions的程序包

程序包	说明
org.apache.flink.table.connector.source
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.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

org.apache.flink.table.connector.source使用的org.apache.flink.table.functions中的类

类和说明
AsyncTableFunction Base class for a user-defined asynchronous table function.
TableFunction Base class for a user-defined table function.

org.apache.flink.table.expressions使用的org.apache.flink.table.functions中的类

类和说明
FunctionDefinition Definition of a function.
FunctionIdentifier Identifies a system function with function name or a catalog function with a fully qualified identifier.

org.apache.flink.table.factories使用的org.apache.flink.table.functions中的类

类和说明
FunctionDefinition Definition of a function.

org.apache.flink.table.functions使用的org.apache.flink.table.functions中的类

类和说明
AggregateFunction Base class for a user-defined aggregate 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.SpecializedContext Provides call and session information for the specialized 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.

org.apache.flink.table.functions.python使用的org.apache.flink.table.functions中的类

类和说明
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.

org.apache.flink.table.module使用的org.apache.flink.table.functions中的类

类和说明
FunctionDefinition Definition of a function.

org.apache.flink.table.sources使用的org.apache.flink.table.functions中的类

类和说明
AsyncTableFunction Base class for a user-defined asynchronous table function.
TableFunction Base class for a user-defined table function.

org.apache.flink.table.types.extraction使用的org.apache.flink.table.functions中的类

类和说明
AggregateFunction Base class for a user-defined aggregate function.
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.

org.apache.flink.table.types.inference使用的org.apache.flink.table.functions中的类

类和说明
FunctionDefinition Definition of a function.

org.apache.flink.table.types.inference.strategies使用的org.apache.flink.table.functions中的类

类和说明
FunctionDefinition Definition of a function.

org.apache.flink.table.types.inference.utils使用的org.apache.flink.table.functions中的类

类和说明
FunctionDefinition Definition of a function.