类的使用
org.apache.flink.table.descriptors.FunctionDescriptor

使用FunctionDescriptor的程序包

程序包	说明
org.apache.flink.table.descriptors
org.apache.flink.table.functions

org.apache.flink.table.descriptors中FunctionDescriptor的使用

返回FunctionDescriptor的org.apache.flink.table.descriptors中的方法

限定符和类型	方法和说明
FunctionDescriptor	FunctionDescriptor.fromClass(ClassInstance classType) Creates a function from a class description.

org.apache.flink.table.functions中FunctionDescriptor的使用

参数类型为FunctionDescriptor的org.apache.flink.table.functions中的方法

限定符和类型	方法和说明
static UserDefinedFunction	FunctionService.createFunction(FunctionDescriptor descriptor) Creates a user-defined function with the given properties and the current thread's context class loader.
static UserDefinedFunction	FunctionService.createFunction(FunctionDescriptor descriptor, ClassLoader classLoader) Creates a user-defined function with the given properties.
static UserDefinedFunction	FunctionService.createFunction(FunctionDescriptor descriptor, ClassLoader classLoader, boolean performValidation) Creates a user-defined function with the given properties.
static UserDefinedFunction	FunctionService.createFunction(FunctionDescriptor descriptor, ClassLoader classLoader, boolean performValidation, org.apache.flink.configuration.ReadableConfig config) Creates a user-defined function with the given properties.