org.apache.flink.table.module

接口 Module

所有已知实现类:

CoreModule

@PublicEvolving
public interface Module

Modules define a set of metadata, including functions, user defined types, operators, rules, etc. Metadata from modules are regarded as built-in or system metadata that users can take advantages of.

方法概要

限定符和类型	方法和说明
default Optional<FunctionDefinition>	getFunctionDefinition(String name) Get an optional of FunctionDefinition by a given name.
default Set<String>	listFunctions() List names of all functions in this module.

方法详细资料

listFunctions

default Set<String> listFunctions()

List names of all functions in this module.

返回:

a set of function names

getFunctionDefinition

default Optional<FunctionDefinition> getFunctionDefinition(String name)

Get an optional of FunctionDefinition by a given name.

参数:

name - name of the FunctionDefinition.

返回:

an optional function definition