preparedstatement.h

/* This file is part of the KDE project
   Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, 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
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef KEXIDB_PREPAREDSTATEMENT_H
#define KEXIDB_PREPAREDSTATEMENT_H
 
#include <tqvariant.h>
#include <ksharedptr.h>
 
#include "field.h"
 
namespace KexiDB {
 
class ConnectionInternal;
class TableSchema;
class FieldList;

class KEXI_DB_EXPORT PreparedStatement : public TDEShared
{
    public:
        typedef TDESharedPtr<PreparedStatement> Ptr;

        enum StatementType {
            SelectStatement, 
            InsertStatement  
        };

        PreparedStatement(StatementType type, ConnectionInternal& conn, FieldList& fields,
            const TQStringList& where = TQStringList());
 
        virtual ~PreparedStatement();

        PreparedStatement& operator<< ( const TQVariant& value );

        void clearArguments();

        virtual bool execute() = 0;
 
    protected:
        TQCString generateStatementString();
 
        StatementType m_type;
        FieldList *m_fields;
        TQValueList<TQVariant> m_args;
        TQStringList* m_where;
        Field::List* m_whereFields;
};
 
} //namespace KexiDB
 
#endif