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#ifndef QSQLNULLDRIVER_P_H

#define QSQLNULLDRIVER_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  This header file may

// change from version to version without notice, or even be

// removed.

//

// We mean it.

//

#include "QtCore/qvariant.h"

#include "QtSql/qsqldriver.h"

#include "QtSql/qsqlerror.h"

#include "QtSql/qsqlresult.h"

QT_BEGIN_NAMESPACE

class QSqlNullResult : public QSqlResult

{

public:

    inline explicit QSqlNullResult(const QSqlDriver* d): QSqlResult(d)

    { QSqlResult::setLastError(

            QSqlError(QLatin1String("Driver not loaded"), QLatin1String("Driver not loaded"), QSqlError::ConnectionError)); }

protected:

    inline QVariant data(int) { return QVariant(); }

    inline bool reset (const QString&) { return false; }

    inline bool fetch(int) { return false; }

    inline bool fetchFirst() { return false; }

    inline bool fetchLast() { return false; }

    inline bool isNull(int) { return false; }

    inline int size()  { return -1; }

    inline int numRowsAffected() { return 0; }

    inline void setAt(int) {}

    inline void setActive(bool) {}

    inline void setLastError(const QSqlError&) {}

    inline void setQuery(const QString&) {}

    inline void setSelect(bool) {}

    inline void setForwardOnly(bool) {}

    inline bool exec() { return false; }

    inline bool prepare(const QString&) { return false; }

    inline bool savePrepare(const QString&) { return false; }

    inline void bindValue(int, const QVariant&, QSql::ParamType) {}

    inline void bindValue(const QString&, const QVariant&, QSql::ParamType) {}

};

class QSqlNullDriver : public QSqlDriver

{

public:

    inline QSqlNullDriver(): QSqlDriver()

    { QSqlDriver::setLastError(

            QSqlError(QLatin1String("Driver not loaded"), QLatin1String("Driver not loaded"), QSqlError::ConnectionError)); }

    inline bool hasFeature(DriverFeature) const { return false; }

    inline bool open(const QString &, const QString & , const QString & ,

              const QString &, int, const QString&)

    { return false; }

    inline void close() {}

    inline QSqlResult *createResult() const { return new QSqlNullResult(this); }

protected:

    inline void setOpen(bool) {}

    inline void setOpenError(bool) {}

    inline void setLastError(const QSqlError&) {}

};

QT_END_NAMESPACE

#endif // QSQLNULLDRIVER_P_H