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168 lines
6.6 KiB
168 lines
6.6 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt3Support module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef Q3SQLCURSOR_H
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#define Q3SQLCURSOR_H
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#include <QtCore/qvariant.h>
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#include <QtSql/qsqldatabase.h>
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#include <QtSql/qsqlrecord.h>
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#include <QtCore/qstringlist.h>
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#include <QtSql/qsqlquery.h>
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#include <QtSql/qsqlindex.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Qt3Support)
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#ifndef QT_NO_SQL
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class Q3SqlCursorPrivate;
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class Q3SqlFieldInfo;
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class Q_COMPAT_EXPORT Q3SqlCursor : public QSqlRecord, public QSqlQuery
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{
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public:
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Q3SqlCursor(const QString & name = QString(), bool autopopulate = true,
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QSqlDatabase db = QSqlDatabase());
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Q3SqlCursor(const Q3SqlCursor & other);
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Q3SqlCursor& operator=(const Q3SqlCursor& other);
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virtual ~Q3SqlCursor();
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enum Mode {
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ReadOnly = 0,
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Insert = 1,
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Update = 2,
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Delete = 4,
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Writable = 7
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};
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QVariant value(int i) const;
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inline QVariant value(const QString &name) const { return value(indexOf(name)); }
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virtual void setValue(int i, const QVariant &val);
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inline void setValue(const QString &name, const QVariant &val) { setValue(indexOf(name), val); }
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virtual QSqlIndex primaryIndex(bool prime = true) const;
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virtual QSqlIndex index(const QStringList& fieldNames) const;
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QSqlIndex index(const QString& fieldName) const;
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virtual void setPrimaryIndex(const QSqlIndex& idx);
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virtual void append(const Q3SqlFieldInfo& fieldInfo);
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virtual void insert(int pos, const Q3SqlFieldInfo &fieldInfo);
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virtual void remove(int pos);
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virtual void clear();
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virtual void setGenerated(const QString& name, bool generated);
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virtual void setGenerated(int i, bool generated);
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virtual QSqlRecord* editBuffer(bool copy = false);
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virtual QSqlRecord* primeInsert();
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virtual QSqlRecord* primeUpdate();
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virtual QSqlRecord* primeDelete();
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virtual int insert(bool invalidate = true);
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virtual int update(bool invalidate = true);
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virtual int del(bool invalidate = true);
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virtual void setMode(int flags);
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int mode() const;
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virtual void setCalculated(const QString& name, bool calculated);
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bool isCalculated(const QString& name) const;
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virtual void setTrimmed(const QString& name, bool trim);
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bool isTrimmed(const QString& name) const;
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bool isReadOnly() const;
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bool canInsert() const;
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bool canUpdate() const;
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bool canDelete() const;
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bool select();
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bool select(const QSqlIndex& sort);
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bool select(const QSqlIndex & filter, const QSqlIndex & sort);
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virtual bool select(const QString & filter, const QSqlIndex & sort = QSqlIndex());
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virtual void setSort(const QSqlIndex& sort);
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QSqlIndex sort() const;
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virtual void setFilter(const QString& filter);
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QString filter() const;
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virtual void setName(const QString& name, bool autopopulate = true);
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QString name() const;
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QString toString(const QString& prefix = QString(),
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const QString& sep = QLatin1String(",")) const;
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bool isNull(int i) const;
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bool isNull(const QString& name) const;
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virtual bool seek(int i, bool relative = false);
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virtual bool next();
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inline bool previous() { return prev(); }
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virtual bool prev();
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virtual bool first();
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virtual bool last();
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protected:
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virtual bool exec(const QString & sql);
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virtual QVariant calculateField(const QString& name);
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virtual int update(const QString & filter, bool invalidate = true);
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virtual int del(const QString & filter, bool invalidate = true);
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virtual QString toString(const QString& prefix, QSqlField* field, const QString& fieldSep) const;
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virtual QString toString(QSqlRecord* rec, const QString& prefix, const QString& fieldSep,
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const QString& sep) const;
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virtual QString toString(const QSqlIndex& i, QSqlRecord* rec, const QString& prefix,
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const QString& fieldSep, const QString& sep) const;
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private:
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void sync();
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int apply(const QString& q, bool invalidate);
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int applyPrepared(const QString& q, bool invalidate);
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QSqlRecord& operator=(const QSqlRecord & list);
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void append(const QSqlField& field);
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Q3SqlCursorPrivate* d;
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};
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#endif // QT_NO_SQL
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // Q3SQLCURSOR_H
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