------------------------------------------------------------------------------
--                             G N A T C O L L                              --
--                                                                          --
--                       Copyright (C) 2021, AdaCore                        --
--                                                                          --
-- This library is free software;  you can redistribute it and/or modify it --
-- under terms of the  GNU General Public License  as published by the Free --
-- Software  Foundation;  either version 3,  or (at your  option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY;  without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE.                            --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
--                                                                          --
------------------------------------------------------------------------------

package body Database is
   pragma Style_Checks (Off);

   function FK (Self : T_Books'Class; Foreign : T_Customers'Class) return SQL_Criteria is
   begin
      return Self.Borrowed_By = Foreign.Id;
   end FK;

   function FK (Self : T_Dvds'Class; Foreign : T_Customers'Class) return SQL_Criteria is
   begin
      return Self.Borrowed_By = Foreign.Id;
   end FK;
end Database;
