/*
* This file is part of the Pandaria 5.4.8 Project. See THANKS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _SQLOPERATION_H
#define _SQLOPERATION_H

#include <ace/Method_Request.h>
#include <ace/Activation_Queue.h>

#include "QueryResult.h"

//- Forward declare (don't include header to prevent circular includes)
class PreparedStatement;

//- Union that holds element data
union SQLElementUnion
{
    PreparedStatement* stmt;
    const char* query;
};

//- Type specifier of our element data
enum SQLElementDataType
{
    SQL_ELEMENT_RAW,
    SQL_ELEMENT_PREPARED
};

//- The element
struct SQLElementData
{
    SQLElementUnion element;
    SQLElementDataType type;
};

//- For ambigious resultsets
union SQLResultSetUnion
{
    PreparedResultSet* presult;
    ResultSet* qresult;
};

class MySQLConnection;

class SQLOperation : public ACE_Method_Request
{
    public:
        SQLOperation(): m_conn(NULL) { }
        virtual int call()
        {
            Execute();
            return 0;
        }
        virtual bool Execute() = 0;
        virtual void SetConnection(MySQLConnection* con) { m_conn = con; }

        MySQLConnection* m_conn;
};

#endif
