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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 QSQLDATABASE_H
#define QSQLDATABASE_H
#include <QtSql/qtsqlglobal.h>
#include <QtCore/qmetaobject.h>
#include <QtCore/qstring.h>
// clazy:excludeall=qproperty-without-notify
QT_BEGIN_NAMESPACE
class QSqlError;
class QSqlDriver;
class QSqlIndex;
class QSqlRecord;
class QSqlQuery;
class QSqlDatabasePrivate;
class QThread;
class Q_SQL_EXPORT QSqlDriverCreatorBase
{
public:
virtual ~QSqlDriverCreatorBase();
virtual QSqlDriver *createObject() const = 0;
};
template <class T>
class QSqlDriverCreator : public QSqlDriverCreatorBase
{
public:
QSqlDriver *createObject() const override { return new T; }
};
struct QSqlDatabaseDefaultConnectionName
{
// separate class because of the static inline constexpr variable
static constexpr const char defaultConnection[] = "qt_sql_default_connection";
static QString defaultConnectionName() noexcept
{
using namespace Qt::StringLiterals;
return u"qt_sql_default_connection"_s;
}
};
class Q_SQL_EXPORT QSqlDatabase : public QSqlDatabaseDefaultConnectionName
{
Q_GADGET
Q_PROPERTY(QSql::NumericalPrecisionPolicy numericalPrecisionPolicy READ numericalPrecisionPolicy WRITE setNumericalPrecisionPolicy)
public:
QSqlDatabase();
QSqlDatabase(const QSqlDatabase &other);
~QSqlDatabase();
QSqlDatabase &operator=(const QSqlDatabase &other);
bool open();
bool open(const QString& user, const QString& password);
void close();
bool isOpen() const;
bool isOpenError() const;
QStringList tables(QSql::TableType type = QSql::Tables) const;
QSqlIndex primaryIndex(const QString& tablename) const;
QSqlRecord record(const QString& tablename) const;
#if QT_DEPRECATED_SINCE(6, 6)
QT_DEPRECATED_VERSION_X_6_6("Use QSqlQuery::exec() instead.")
QSqlQuery exec(const QString& query = QString()) const;
#endif
QSqlError lastError() const;
bool isValid() const;
bool transaction();
bool commit();
bool rollback();
void setDatabaseName(const QString& name);
void setUserName(const QString& name);
void setPassword(const QString& password);
void setHostName(const QString& host);
void setPort(int p);
void setConnectOptions(const QString& options = QString());
QString databaseName() const;
QString userName() const;
QString password() const;
QString hostName() const;
QString driverName() const;
int port() const;
QString connectOptions() const;
QString connectionName() const;
void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);
QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
bool moveToThread(QThread *targetThread);
QThread *thread() const;
QSqlDriver* driver() const;
#if QT_SQL_REMOVED_SINCE(6, 10)
static const char *defaultConnection;
#endif
static QSqlDatabase addDatabase(const QString& type,
const QString &connectionName = defaultConnectionName());
static QSqlDatabase addDatabase(QSqlDriver* driver,
const QString &connectionName = defaultConnectionName());
static QSqlDatabase cloneDatabase(const QSqlDatabase &other, const QString &connectionName);
static QSqlDatabase cloneDatabase(const QString &other, const QString &connectionName);
static QSqlDatabase database(const QString &connectionName = defaultConnectionName(),
bool open = true);
static void removeDatabase(const QString &connectionName);
static bool contains(const QString &connectionName = defaultConnectionName());
static QStringList drivers();
static QStringList connectionNames();
static void registerSqlDriver(const QString &name, QSqlDriverCreatorBase *creator);
static bool isDriverAvailable(const QString &name);
protected:
explicit QSqlDatabase(const QString& type);
explicit QSqlDatabase(QSqlDriver* driver);
private:
friend class QSqlDatabasePrivate;
QSqlDatabasePrivate *d;
};
#ifndef QT_NO_DEBUG_STREAM
Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlDatabase &);
#endif
QT_END_NAMESPACE
#endif // QSQLDATABASE_H
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