original_docstring: 
          Extend a structured schema by another.
  
          For example extending ``tuple<rstring id, timestamp ts, float64 value>``
          with ``tuple<float32 score>`` results in ``tuple<rstring id, timestamp ts, float64 value, float32 score>``.
  
          Args:
              schema(StreamSchema): Schema to extend this schema by.
  
          Returns:
              StreamSchema: New schema that is an extension of this schema.
          
docstring: Extend a structured schema by another.
docstring_tokens: Extend a structured schema by another .
code: def extend(self, schema):
          """
          Extend a structured schema by another.
  
          For example extending ``tuple<rstring id, timestamp ts, float64 value>``
          with ``tuple<float32 score>`` results in ``tuple<rstring id, timestamp ts, float64 value, float32 score>``.
  
          Args:
              schema(StreamSchema): Schema to extend this schema by.
  
          Returns:
              StreamSchema: New schema that is an extension of this schema.
          """
          if self.__spl_type:
             raise TypeError("Not supported for declared SPL types")
          base = self.schema()
          extends = schema.schema()
          new_schema = base[:-1] + ',' + extends[6:]
          return StreamSchema(new_schema)
code_tokens: def extend ( self , schema ) : if self . __spl_type : raise TypeError ( "Not supported for declared SPL types" ) base = self . schema ( ) extends = schema . schema ( ) new_schema = base [ : - 1 ] + ',' + extends [ 6 : ] return StreamSchema ( new_schema )
short_docstring: Extend a structured schema by another.
short_docstring_tokens: Extend a structured schema by another .
comment: """
          Extend a structured schema by another.
  
          For example extending ``tuple<rstring id, timestamp ts, float64 value>``
          with ``tuple<float32 score>`` results in ``tuple<rstring id, timestamp ts, float64 value, float32 score>``.
  
          Args:
              schema(StreamSchema): Schema to extend this schema by.
  
          Returns:
              StreamSchema: New schema that is an extension of this schema.
          """