qsqlcachedresult_p.h

Enable keyboard shortcuts

// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QSQLCACHEDRESULT_P_H

#define QSQLCACHEDRESULT_P_H

//

//  W A R N I N G

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

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtSql/private/qtsqlglobal_p.h>

#include "QtSql/qsqlresult.h"

#include "QtSql/private/qsqlresult_p.h"

#include <QtCore/qcontainerfwd.h>

QT_BEGIN_NAMESPACE

class QVariant;

class QSqlCachedResultPrivate;

class Q_SQL_EXPORT QSqlCachedResult: public QSqlResult

    Q_DECLARE_PRIVATE(QSqlCachedResult)

public:

    typedef QList<QVariant> ValueCache;

protected:

    QSqlCachedResult(QSqlCachedResultPrivate &d);

    void init(int colCount);

    void cleanup();

    void clearValues();

    virtual bool gotoNext(ValueCache &values, int index) = 0;

    QVariant data(int i) override;

    bool isNull(int i) override;

    bool fetch(int i) override;

    bool fetchNext() override;

    bool fetchPrevious() override;

    bool fetchFirst() override;

    bool fetchLast() override;

    int colCount() const;

    ValueCache &cache();

    void virtual_hook(int id, void *data) override;

    void detachFromResultSet() override;

    void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy) override;

private:

    bool cacheNext();

};

class Q_SQL_EXPORT QSqlCachedResultPrivate: public QSqlResultPrivate

    Q_DECLARE_PUBLIC(QSqlCachedResult)

public:

    using QSqlResultPrivate::QSqlResultPrivate;

    bool canSeek(int i) const;

    inline int cacheCount() const;

    void init(int count, bool fo);

    void cleanup();

    int nextIndex();

    void revertLast();

    QSqlCachedResult::ValueCache cache;

    int rowCacheEnd = 0;

    int colCount = 0;

    bool atEnd = false;

};

QT_END_NAMESPACE

#endif // QSQLCACHEDRESULT_P_H