+(defsql sql-group-by (:symbol "group-by") (&rest rest)
+ (make-instance 'sql-query-modifier-exp
+ :modifier '|group by| :components rest))
+
+(defsql sql-order-by (:symbol "order-by") (&rest rest)
+ (make-instance 'sql-query-modifier-exp
+ :modifier '|order by| :components rest))
+