indexing Status: "See notice at end of class"; date: "$Date$" revision: "$Revision$" product: "EiffelStore" database: "All bases" deferred class DB_EXPRESSION inherit STRING_HDL feature -- Status report last_query: STRING -- Last SQL statement used feature -- Status setting set_query (query: STRING) is -- Set `last_query' with `query'. require query_not_void: query /= Void do last_query := query ensure last_query_changed: last_query = query end feature -- Basic operations execute_query is -- Execute `last_query'. require last_query_not_void: last_query /= Void deferred end end -- class DB_EXPRESSION --|---------------------------------------------------------------- --| EiffelStore: library of reusable components for ISE Eiffel. --| Copyright (C) 1986-2001 Interactive Software Engineering Inc. --| All rights reserved. Duplication and distribution prohibited. --| May be used only with ISE Eiffel, under terms of user license. --| Contact ISE for any other use. --| --| Interactive Software Engineering Inc. --| ISE Building --| 360 Storke Road, Goleta, CA 93117 USA --| Telephone 805-685-1006, Fax 805-685-6869 --| Electronic mail --| Customer support: http://support.eiffel.com> --| For latest info see award-winning pages: http://www.eiffel.com --|----------------------------------------------------------------