Same name in other branches

1. 9 core/lib/Drupal/Core/Database/Database.php \Drupal\Core\Database\Database::openConnection()
2. 8.9.x core/lib/Drupal/Core/Database/Database.php \Drupal\Core\Database\Database::openConnection()
3. 10 core/lib/Drupal/Core/Database/Database.php \Drupal\Core\Database\Database::openConnection()
4. 11.x core/lib/Drupal/Core/Database/Database.php \Drupal\Core\Database\Database::openConnection()

Opens a connection to the server specified by the given key and target.

Parameters

$key: The database connection key, as specified in settings.php. The default is "default".

$target: The database target to open.

Throws

DatabaseConnectionNotDefinedException

DatabaseDriverNotSpecifiedException

1 call to Database::openConnection()

Database::getConnection in includes/database/database.inc

Gets the connection object for the specified database key and target.

File

includes/database/database.inc, line 1777

Class

Database

Primary front-controller for the database system.

Code

protected static final function openConnection($key, $target) {
    if (empty(self::$databaseInfo)) {
        self::parseConnectionInfo();
    }
    // If the requested database does not exist then it is an unrecoverable
    // error.
    if (!isset(self::$databaseInfo[$key])) {
        throw new DatabaseConnectionNotDefinedException('The specified database connection is not defined: ' . $key);
    }
    if (!($driver = self::$databaseInfo[$key][$target]['driver'])) {
        throw new DatabaseDriverNotSpecifiedException('Driver not specified for this database connection: ' . $key);
    }
    // We cannot rely on the registry yet, because the registry requires an
    // open database connection.
    $driver_class = 'DatabaseConnection_' . $driver;
    require_once DRUPAL_ROOT . '/includes/database/' . $driver . '/database.inc';
    $new_connection = new $driver_class(self::$databaseInfo[$key][$target]);
    $new_connection->setTarget($target);
    $new_connection->setKey($key);
    // If we have any active logging objects for this connection key, we need
    // to associate them with the connection we just opened.
    if (!empty(self::$logs[$key])) {
        $new_connection->setLogger(self::$logs[$key]);
    }
    return $new_connection;
}

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