DataManage/libs/QxOrm/include/QxDao/QxSqlJoin.h

/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software
**
** Commercial Usage
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** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Lionel Marty
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file 'license.gpl3.txt' included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met : http://www.gnu.org/copyleft/gpl.html
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** If you are unsure which license is appropriate for your use, or
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****************************************************************************/

#ifndef _QX_SQL_JOIN_H_
#define _QX_SQL_JOIN_H_

#ifdef _MSC_VER
#pragma once
#endif

/*!
 * \file QxSqlJoin.h
 * \author Lionel Marty
 * \ingroup QxDao
 * \brief Define how to join 2 tables into SQL query (LEFT OUTER JOIN, INNER JOIN, etc...)
 */

#define QX_LEFT_OUTER_JOIN    QString("->")
#define QX_INNER_JOIN         QString(">>")

namespace qx {
namespace dao {

/*!
 * \ingroup QxDao
 * \brief qx::dao::sql_join : define how to join 2 tables into SQL query (LEFT OUTER JOIN, INNER JOIN, etc...)
 */
struct sql_join
{

   enum join_type
   {
      no_join,
      left_outer_join,
      inner_join
   };

};

} // namespace dao
} // namespace qx

#endif // _QX_SQL_JOIN_H_