qt-everywhere-src-5.15.1/qtbase/src/sql/kernel/qsqlerror.h

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSQLERROR_H
#define QSQLERROR_H

#include <QtSql/qtsqlglobal.h>
#include <QtCore/qstring.h>

QT_BEGIN_NAMESPACE

class QSqlErrorPrivate;

class Q_SQL_EXPORT QSqlError
{
public:
    enum ErrorType {
        NoError,
        ConnectionError,
        StatementError,
        TransactionError,
        UnknownError
    };
#if QT_DEPRECATED_SINCE(5, 3)
    QT_DEPRECATED QSqlError(const QString &driverText, const QString &databaseText,
                            ErrorType type, int number);
#endif
    QSqlError(const QString &driverText = QString(),
              const QString &databaseText = QString(),
              ErrorType type = NoError,
              const QString &errorCode = QString());
    QSqlError(const QSqlError& other);
    QSqlError(QSqlError &&other) noexcept : d(other.d) { other.d = nullptr; }
    QSqlError& operator=(const QSqlError& other);
    QSqlError &operator=(QSqlError &&other) noexcept { swap(other); return *this; }

    bool operator==(const QSqlError& other) const;
    bool operator!=(const QSqlError& other) const;
    ~QSqlError();

    void swap(QSqlError &other) noexcept { qSwap(d, other.d); }

    QString driverText() const;
    QString databaseText() const;
    ErrorType type() const;
#if QT_DEPRECATED_SINCE(5, 3)
    QT_DEPRECATED int number() const;
#endif
    QString nativeErrorCode() const;
    QString text() const;
    bool isValid() const;

#if QT_DEPRECATED_SINCE(5, 1)
    QT_DEPRECATED void setDriverText(const QString &driverText);
    QT_DEPRECATED void setDatabaseText(const QString &databaseText);
    QT_DEPRECATED void setType(ErrorType type);
    QT_DEPRECATED void setNumber(int number);
#endif

private:
    // ### Qt6: Keep the pointer and remove the rest.
    QString unused1;
    QString unused2;
    struct Unused {
        ErrorType unused3;
        int unused4;
    };
    union {
        QSqlErrorPrivate *d;
        Unused unused5;
    };
};

Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QSqlError)

#ifndef QT_NO_DEBUG_STREAM
Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlError &);
#endif

QT_END_NAMESPACE

#endif // QSQLERROR_H