/****************************************************************************+
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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 QtSql module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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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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** 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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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QSQLFIELD_H+
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#define QSQLFIELD_H+
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+
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#include <QtCore/qvariant.h>+
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#include <QtCore/qstring.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Sql)+
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+
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class QSqlFieldPrivate;+
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+
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class Q_SQL_EXPORT QSqlField+
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{+
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public:+
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    enum RequiredStatus { Unknown = -1, Optional = 0, Required = 1 };+
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+
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    QSqlField(const QString& fieldName = QString(),+
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              QVariant::Type type = QVariant::Invalid);+
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+
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    QSqlField(const QSqlField& other);+
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    QSqlField& operator=(const QSqlField& other);+
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    bool operator==(const QSqlField& other) const;+
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    inline bool operator!=(const QSqlField &other) const { return !operator==(other); }+
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    ~QSqlField();+
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+
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    void setValue(const QVariant& value);+
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    inline QVariant value() const+
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    { return val; }+
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    void setName(const QString& name);+
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    QString name() const;+
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    bool isNull() const;+
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    void setReadOnly(bool readOnly);+
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    bool isReadOnly() const;+
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    void clear();+
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    QVariant::Type type() const;+
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    bool isAutoValue() const;+
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+
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    void setType(QVariant::Type type);+
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    void setRequiredStatus(RequiredStatus status);+
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    inline void setRequired(bool required)+
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    { setRequiredStatus(required ? Required : Optional); }+
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    void setLength(int fieldLength);+
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    void setPrecision(int precision);+
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    void setDefaultValue(const QVariant &value);+
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    void setSqlType(int type);+
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    void setGenerated(bool gen);+
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    void setAutoValue(bool autoVal);+
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+
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    RequiredStatus requiredStatus() const;+
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    int length() const;+
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    int precision() const;+
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    QVariant defaultValue() const;+
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    int typeID() const;+
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    bool isGenerated() const;+
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    bool isValid() const;+
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+
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#ifdef QT3_SUPPORT+
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    inline QT3_SUPPORT void setNull() { clear(); }+
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#endif+
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+
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private:+
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    void detach();+
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    QVariant val;+
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    QSqlFieldPrivate* d;+
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};+
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+
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#ifndef QT_NO_DEBUG_STREAM+
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Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlField &);+
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#endif+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QSQLFIELD_H+
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