Package org.apache.flink.table.functions

Interface DynamicBuiltInFunctionDefinitionFactory

@Experimental
public interface DynamicBuiltInFunctionDefinitionFactory

BuiltInFunctionDefinition factory for dynamic function registration. This could be useful when functions wanted to be automatically loaded from SQL modules. A good example usage is that state processor API SQL module is providing extra table functions from Kafka connector.

Method Summary

Modifier and Type	Method	Description
String	factoryIdentifier()	Returns the unique identifier of the factory.
List<BuiltInFunctionDefinition>	getBuiltInFunctionDefinitions()	Returns list of BuiltInFunctionDefinition which can be registered dynamically.

Method Detail

factoryIdentifier

String factoryIdentifier()

Returns the unique identifier of the factory. The suggested pattern is the following: [module-name].[factory-name]. Such case modules can load all [module-name] prefixed functions which belong to them.

getBuiltInFunctionDefinitions

List<BuiltInFunctionDefinition> getBuiltInFunctionDefinitions()

Returns list of BuiltInFunctionDefinition which can be registered dynamically.