Manages database connections and transactions. More...

Public Member Functions
	Connection ()
	Constructs a null connection.

	Connection (const Connection &)
	Copy constructor.

	Connection (Connection &&)
	Move constructor.

Connection &	operator= (const Connection &)
	Copy assignment operator.

Connection &	operator= (Connection &&)
	Move assignment operator.

	~Connection ()
	Destructor.

QString	name () const
	Returns the name of the connection.

bool	isOpen () const
	Returns true if the connection is currently open.

bool	open ()
	Opens the connection using pre-configured parameters.

bool	open (const QString &user, const QString &password)
	Opens the connection with specific credentials.

void	close ()
	Closes the connection.

bool	beginTransaction ()
	Begins a SQL transaction.

bool	commitTransaction ()
	Commits the current SQL transaction.

bool	rollbackTransaction ()
	Rolls back the current SQL transaction.

Result< QSqlQuery, QSqlError >	exec (const QString &query, bool cache=false) const
	Executes a raw SQL query on this connection.

QSqlError	lastError () const
	Returns the last error encountered by this connection.

const QSqlDatabase	database () const
	Returns the underlaying QSqlDatabase (const).

QSqlDatabase	database ()
	Returns the underlaying QSqlDatabase.

bool	isValid () const
	Returns true if this is a valid, initialized connection.

	operator const QSqlDatabase () const
	Implicit conversion to QSqlDatabase.

	operator QSqlDatabase ()
	Implicit conversion to QSqlDatabase.

Static Public Member Functions
static Connection	connection (const QString &name)
	Retrieves an existing connection by name.

static Connection	addConnection (const QString &name, const QUrl &url)
	Adds a new connection using a URL.

static Connection	addConnection (const QString &name, const QString &type, const QString &dbName, int port=-1)
	Adds a new connection with basic parameters.

static Connection	addConnection (const QString &name, const QString &type, const QString &dbName, int port, const QString &userName, const QString &password)
	Adds a new connection with full credentials.

static Connection	addConnection (const QString &name, const QSqlDatabase &db, bool ownDb=false)
	Adds a connection from an existing QSqlDatabase instance.

static void	removeConnection (const QString &name)
	Removes a connection by name.

static Connection	defaultConnection ()
	Returns the default connection instance.

static void	setDefault (const Connection &connection)
	Sets the default connection.

Detailed Description

Manages database connections and transactions.

Connection is a thin wrapper around QSqlDatabase that provides easy management of multiple named connections and support for default connections.

The documentation for this class was generated from the following files:

Public Member Functions