/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 XDL Team (ic-east.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 XDL Team
**
** 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
**
** If you are unsure which license is appropriate for your use, or
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****************************************************************************/

#ifndef _QX_SQL_GENERATOR_ORACLE_H_
#define _QX_SQL_GENERATOR_ORACLE_H_

#ifdef _MSC_VER
#pragma once
#endif

/*!
 * \file QxSqlGenerator_Oracle.h
 * \author XDL Team
 * \ingroup QxDao
 * \brief SQL generator for Oracle database
 */

#include <QxDao/QxSqlGenerator/QxSqlGenerator_Standard.h>

namespace qx
{
   namespace dao
   {
      namespace detail
      {

         /*!
          * \ingroup QxDao
          * \brief qx::dao::detail::QxSqlGenerator_Oracle : SQL generator for Oracle database
          */
         class QX_DLL_EXPORT QxSqlGenerator_Oracle : public QxSqlGenerator_Standard
         {

         protected:
            bool m_bOldLimitSyntax;     //!< Use old limit syntax (for Oracle version < 12.1), more details here : https://stackoverflow.com/questions/470542/how-do-i-limit-the-number-of-rows-returned-by-an-oracle-query-after-ordering
            bool m_bManageLastInsertId; //!< Manage last insert id using RETURNING INTO syntax (thx to Romain Macureau and Abdennour Boutrig)

         public:
            QxSqlGenerator_Oracle();
            QxSqlGenerator_Oracle(bool bManageLastInsertId);
            virtual ~QxSqlGenerator_Oracle();

            virtual QString getTableAliasSep() const;
            virtual QString getLimit(const QxSqlLimit *pLimit) const;
            virtual void resolveLimit(QSqlQuery &query, const QxSqlLimit *pLimit, qx::QxCollection<QString, QVariantList> *pLstExecBatch = NULL) const;
            virtual void postProcess(QString &sql, const QxSqlLimit *pLimit) const;
            virtual void checkSqlInsert(IxDao_Helper *pDaoHelper, QString &sql) const;
            virtual void onBeforeInsert(IxDao_Helper *pDaoHelper, void *pOwner) const;
            virtual void onAfterInsert(IxDao_Helper *pDaoHelper, void *pOwner) const;

            bool getOldLimitSyntax() const;
            void setOldLimitSyntax(bool b);

            bool getManageLastInsertId() const;
            void setManageLastInsertId(bool b);

         private:
            void initSqlTypeByClassName() const;
         };

         typedef std::shared_ptr<QxSqlGenerator_Oracle> QxSqlGenerator_Oracle_ptr;

      } // namespace detail
   } // namespace dao
} // namespace qx

#endif // _QX_SQL_GENERATOR_ORACLE_H_
