1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtSql module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QSQLFIELD_H 41 #define QSQLFIELD_H 42 43 #include <QtSql/qtsqlglobal.h> 44 #include <QtCore/qvariant.h> 45 #include <QtCore/qstring.h> 46 47 QT_BEGIN_NAMESPACE 48 49 50 class QSqlFieldPrivate; 51 52 class Q_SQL_EXPORT QSqlField 53 { 54 public: 55 enum RequiredStatus { Unknown = -1, Optional = 0, Required = 1 }; 56 57 explicit QSqlField(const QString& fieldName = QString(), 58 QVariant::Type type = {}); 59 QSqlField(const QString &fieldName, QVariant::Type type, 60 const QString &tableName); 61 62 QSqlField(const QSqlField& other); 63 QSqlField& operator=(const QSqlField& other); 64 bool operator==(const QSqlField& other) const; 65 inline bool operator!=(const QSqlField &other) const { return !operator==(other); } 66 ~QSqlField(); 67 68 void setValue(const QVariant& value); value()69 inline QVariant value() const 70 { return val; } 71 void setName(const QString& name); 72 QString name() const; 73 void setTableName(const QString &tableName); 74 QString tableName() const; 75 bool isNull() const; 76 void setReadOnly(bool readOnly); 77 bool isReadOnly() const; 78 void clear(); 79 QVariant::Type type() const; 80 bool isAutoValue() const; 81 82 void setType(QVariant::Type type); 83 void setRequiredStatus(RequiredStatus status); setRequired(bool required)84 inline void setRequired(bool required) 85 { setRequiredStatus(required ? Required : Optional); } 86 void setLength(int fieldLength); 87 void setPrecision(int precision); 88 void setDefaultValue(const QVariant &value); 89 void setSqlType(int type); 90 void setGenerated(bool gen); 91 void setAutoValue(bool autoVal); 92 93 RequiredStatus requiredStatus() const; 94 int length() const; 95 int precision() const; 96 QVariant defaultValue() const; 97 int typeID() const; 98 bool isGenerated() const; 99 bool isValid() const; 100 101 private: 102 void detach(); 103 QVariant val; 104 QSqlFieldPrivate* d; 105 }; 106 107 #ifndef QT_NO_DEBUG_STREAM 108 Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlField &); 109 #endif 110 111 QT_END_NAMESPACE 112 113 #endif // QSQLFIELD_H 114