diff options
Diffstat (limited to 'src/sql/kernel/qsqlcachedresult_p.h')
| -rw-r--r-- | src/sql/kernel/qsqlcachedresult_p.h | 81 |
1 files changed, 53 insertions, 28 deletions
diff --git a/src/sql/kernel/qsqlcachedresult_p.h b/src/sql/kernel/qsqlcachedresult_p.h index 798de01f63..cad581d755 100644 --- a/src/sql/kernel/qsqlcachedresult_p.h +++ b/src/sql/kernel/qsqlcachedresult_p.h @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** 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. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** 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 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** 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. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** 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. ** ** $QT_END_LICENSE$ ** @@ -46,6 +52,7 @@ // #include "QtSql/qsqlresult.h" +#include "QtSql/private/qsqlresult_p.h" QT_BEGIN_NAMESPACE @@ -56,13 +63,13 @@ class QSqlCachedResultPrivate; class Q_SQL_EXPORT QSqlCachedResult: public QSqlResult { -public: - virtual ~QSqlCachedResult(); + Q_DECLARE_PRIVATE(QSqlCachedResult) +public: typedef QVector<QVariant> ValueCache; protected: - QSqlCachedResult(const QSqlDriver * db); + QSqlCachedResult(QSqlCachedResultPrivate &d); void init(int colCount); void cleanup(); @@ -70,23 +77,41 @@ protected: virtual bool gotoNext(ValueCache &values, int index) = 0; - QVariant data(int i); - bool isNull(int i); - bool fetch(int i); - bool fetchNext(); - bool fetchPrevious(); - bool fetchFirst(); - bool fetchLast(); + QVariant data(int i) Q_DECL_OVERRIDE; + bool isNull(int i) Q_DECL_OVERRIDE; + bool fetch(int i) Q_DECL_OVERRIDE; + bool fetchNext() Q_DECL_OVERRIDE; + bool fetchPrevious() Q_DECL_OVERRIDE; + bool fetchFirst() Q_DECL_OVERRIDE; + bool fetchLast() Q_DECL_OVERRIDE; int colCount() const; ValueCache &cache(); - void virtual_hook(int id, void *data); - void detachFromResultSet(); - void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy); + void virtual_hook(int id, void *data) Q_DECL_OVERRIDE; + void detachFromResultSet() Q_DECL_OVERRIDE; + void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy) Q_DECL_OVERRIDE; private: bool cacheNext(); - QSqlCachedResultPrivate *d; +}; + +class Q_SQL_EXPORT QSqlCachedResultPrivate: public QSqlResultPrivate +{ + Q_DECLARE_PUBLIC(QSqlCachedResult) + +public: + QSqlCachedResultPrivate(QSqlCachedResult *q, const QSqlDriver *drv); + 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; + int colCount; + bool atEnd; }; QT_END_NAMESPACE |