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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QSQLFIELD_H
#define QSQLFIELD_H
#include <QtSql/qtsqlglobal.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qvariant.h>
#include <QtCore/qstring.h>
QT_BEGIN_NAMESPACE
class QSqlFieldPrivate;
QT_DECLARE_QESDP_SPECIALIZATION_DTOR_WITH_EXPORT(QSqlFieldPrivate, Q_SQL_EXPORT)
class Q_SQL_EXPORT QSqlField
{
Q_GADGET
public:
enum RequiredStatus { Unknown = -1, Optional = 0, Required = 1 };
Q_PROPERTY(QVariant value READ value WRITE setValue)
Q_PROPERTY(QVariant defaultValue READ defaultValue WRITE setDefaultValue)
Q_PROPERTY(QString name READ name WRITE setName)
Q_PROPERTY(QString tableName READ tableName WRITE setTableName)
Q_PROPERTY(QMetaType metaType READ metaType WRITE setMetaType)
Q_PROPERTY(RequiredStatus requiredStatus READ requiredStatus WRITE setRequiredStatus)
Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
Q_PROPERTY(bool generated READ isGenerated WRITE setGenerated)
Q_PROPERTY(bool autoValue READ isAutoValue WRITE setAutoValue)
Q_PROPERTY(int length READ length WRITE setLength)
Q_PROPERTY(int precision READ precision WRITE setPrecision)
explicit QSqlField(const QString& fieldName = QString(), QMetaType type = QMetaType(), const QString &tableName = QString());
QSqlField(const QSqlField& other);
QSqlField& operator=(const QSqlField& other);
QSqlField(QSqlField &&other) noexcept = default;
QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_MOVE_AND_SWAP(QSqlField)
~QSqlField();
void swap(QSqlField &other) noexcept { val.swap(other.val); d.swap(other.d); }
bool operator==(const QSqlField& other) const;
inline bool operator!=(const QSqlField &other) const { return !operator==(other); }
void setValue(const QVariant& value);
inline QVariant value() const
{ return val; }
void setName(const QString& name);
QString name() const;
void setTableName(const QString &tableName);
QString tableName() const;
bool isNull() const;
void setReadOnly(bool readOnly);
bool isReadOnly() const;
void clear();
bool isAutoValue() const;
QMetaType metaType() const;
void setMetaType(QMetaType type);
#if QT_DEPRECATED_SINCE(6, 0)
QT_WARNING_PUSH
QT_WARNING_DISABLE_DEPRECATED
QT_DEPRECATED_VERSION_X_6_0("Use the constructor using a QMetaType instead")
QSqlField(const QString& fieldName, QVariant::Type type, const QString &tableName = QString())
: QSqlField(fieldName, QMetaType(type), tableName)
{}
QT_DEPRECATED_VERSION_X_6_0("Use metaType() instead")
QVariant::Type type() const { return QVariant::Type(metaType().id()); };
QT_DEPRECATED_VERSION_X_6_0("Use setMetaType() instead")
void setType(QVariant::Type type) { setMetaType(QMetaType(int(type))); }
QT_WARNING_POP
#endif
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 setGenerated(bool gen);
void setAutoValue(bool autoVal);
RequiredStatus requiredStatus() const;
int length() const;
int precision() const;
QVariant defaultValue() const;
bool isGenerated() const;
bool isValid() const;
#if QT_DEPRECATED_SINCE(6, 8)
QT_DEPRECATED_VERSION_X_6_8("This internal value is no longer used.")
void setSqlType(int type);
QT_DEPRECATED_VERSION_X_6_8("This internal value is no longer used.")
int typeID() const;
#endif
private:
void detach();
// ### Qt7: move to private class
QVariant val;
QExplicitlySharedDataPointer<QSqlFieldPrivate> d;
};
Q_DECLARE_SHARED(QSqlField)
#ifndef QT_NO_DEBUG_STREAM
Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlField &);
#endif
QT_END_NAMESPACE
#endif // QSQLFIELD_H
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