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qt3/doc/html/qsqlfield-h.html

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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qsqlfield.h</h1>
<p>This is the verbatim text of the qsqlfield.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<pre>
/****************************************************************************
**
** Definition of QSqlField class
**
** Created : 2000-11-03
**
** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the sql module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QSQLFIELD_H
#define QSQLFIELD_H
#ifndef QT_H
#include "qstring.h"
#include "qvariant.h"
#endif // QT_H
#if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
#define QM_EXPORT_SQL
#else
#define QM_EXPORT_SQL Q_EXPORT
#endif
#ifndef QT_NO_SQL
class QSqlFieldPrivate
{
public:
QVariant::Type type;
};
class QM_EXPORT_SQL QSqlField
{
public:
QSqlField( const QString&amp; fieldName = QString::null, QVariant::Type type = QVariant::Invalid );
QSqlField( const QSqlField&amp; other );
QSqlField&amp; operator=( const QSqlField&amp; other );
bool operator==(const QSqlField&amp; other) const;
virtual ~QSqlField();
virtual void setValue( const QVariant&amp; value );
virtual QVariant value() const;
virtual void setName( const QString&amp; name );
QString name() const;
virtual void setNull();
bool isNull() const;
virtual void setReadOnly( bool readOnly );
bool isReadOnly() const;
void clear( bool nullify = TRUE );
QVariant::Type type() const;
private:
QString nm;
QVariant val;
uint ro: 1;
uint nul: 1;
QSqlFieldPrivate* d;
};
inline QVariant QSqlField::value() const
{ return val; }
inline QString QSqlField::name() const
{ return nm; }
inline bool QSqlField::isNull() const
{ return nul; }
inline bool QSqlField::isReadOnly() const
{ return ro; }
inline QVariant::Type QSqlField::type() const
{ return d-&gt;type; }
/******************************************/
/******* QSqlFieldInfo Class ******/
/******************************************/
struct QSqlFieldInfoPrivate;
class QM_EXPORT_SQL QSqlFieldInfo
{
public:
QSqlFieldInfo( const QString&amp; name = QString::null,
QVariant::Type typ = QVariant::Invalid,
int required = -1,
int len = -1,
int prec = -1,
const QVariant&amp; defValue = QVariant(),
int sqlType = 0,
bool generated = TRUE,
bool trim = FALSE,
bool calculated = FALSE );
QSqlFieldInfo( const QSqlFieldInfo &amp; other );
QSqlFieldInfo( const QSqlField &amp; other, bool generated = TRUE );
virtual ~QSqlFieldInfo();
QSqlFieldInfo&amp; operator=( const QSqlFieldInfo&amp; other );
bool operator==( const QSqlFieldInfo&amp; f ) const;
QSqlField toField() const;
int isRequired() const;
QVariant::Type type() const;
int length() const;
int precision() const;
QVariant defaultValue() const;
QString name() const;
int typeID() const;
bool isGenerated() const;
bool isTrim() const;
bool isCalculated() const;
virtual void setTrim( bool trim );
virtual void setGenerated( bool gen );
virtual void setCalculated( bool calc );
private:
QSqlFieldInfoPrivate* d;
};
#endif // QT_NO_SQL
#endif
</pre>
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