text: --create vclass with methods get_2000(),get_success()
  
  CREATE vclass ddl_0001(
      dummy_column set( int ),
      num                 int,
      name               string
  )
  METHOD CLASS get_2000() int FUNCTION TEST_getInt,
                CLASS get_success() string FUNCTION TEST_getString
  FILE '$HOME/method_test/myyang';
  
  drop vclass ddl_0001;