anchor.diff:      ;
   
   using_element
  -    : (IN OUT? | OUT)? select_list_elements column_alias?
  +    : (IN OUT? | OUT)? select_list_elements
       ;
   
   collect_order_by_part
  
positive.code:     ;
  
  query_block
      : SELECT (DISTINCT | UNIQUE | ALL)? (ASTERISK | selected_element (',' selected_element)*)
        into_clause? from_clause where_clause? hierarchical_query_clause? group_by_clause? model_clause?
      ;
  
  selected_element
      : select_list_elements column_alias?
      ;
  
  from_clause
  
negative.code: 
  select_list_elements
      : tableview_name '.' ASTERISK
      | expression column_alias?
      ;
  
  table_ref_list
  