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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSQLFIELD_H
#define QSQLFIELD_H
#include <QtCore/qvariant.h>
#include <QtCore/qstring.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Sql)
class QSqlFieldPrivate;
class Q_SQL_EXPORT QSqlField
{
public:
enum RequiredStatus { Unknown = -1, Optional = 0, Required = 1 };
QSqlField(const QString& fieldName = QString(),
QVariant::Type type = QVariant::Invalid);
QSqlField(const QSqlField& other);
QSqlField& operator=(const QSqlField& other);
bool operator==(const QSqlField& other) const;
inline bool operator!=(const QSqlField &other) const { return !operator==(other); }
~QSqlField();
void setValue(const QVariant& value);
inline QVariant value() const
{ return val; }
void setName(const QString& name);
QString name() const;
bool isNull() const;
void setReadOnly(bool readOnly);
bool isReadOnly() const;
void clear();
QVariant::Type type() const;
bool isAutoValue() const;
void setType(QVariant::Type type);
void setRequiredStatus(RequiredStatus status);
inline void setRequired(bool required)
{ setRequiredStatus(required ? Required : Optional); }
void setLength(int fieldLength);
void setPrecision(int precision);
void setDefaultValue(const QVariant &value);
void setSqlType(int type);
void setGenerated(bool gen);
void setAutoValue(bool autoVal);
RequiredStatus requiredStatus() const;
int length() const;
int precision() const;
QVariant defaultValue() const;
int typeID() const;
bool isGenerated() const;
bool isValid() const;
#ifdef QT3_SUPPORT
inline QT3_SUPPORT void setNull() { clear(); }
#endif
private:
void detach();
QVariant val;
QSqlFieldPrivate* d;
};
#ifndef QT_NO_DEBUG_STREAM
Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlField &);
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSQLFIELD_H
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