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120 lines
3.8 KiB
120 lines
3.8 KiB
/****************************************************************************
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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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** 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 QSQLFIELD_H
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#define QSQLFIELD_H
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#include <QtCore/qvariant.h>
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#include <QtCore/qstring.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Sql)
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class QSqlFieldPrivate;
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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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QSqlField(const QString& fieldName = QString(),
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QVariant::Type type = QVariant::Invalid);
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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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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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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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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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#ifdef QT3_SUPPORT
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inline QT3_SUPPORT void setNull() { clear(); }
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#endif
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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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#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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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QSQLFIELD_H
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