程序包的使用
org.apache.flink.cdc.runtime.functions

使用org.apache.flink.cdc.runtime.functions的程序包

程序包	说明
org.apache.flink.cdc.runtime.functions

org.apache.flink.cdc.runtime.functions使用的org.apache.flink.cdc.runtime.functions中的类

类和说明
BuiltInScalarFunction This is the case when the operator has a special parsing syntax or uses other Calcite-specific features that are not exposed via SqlFunction yet.
BuiltInScalarFunction.Builder Builder for fluent definition of built-in functions.