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