public function connect($driverOptions = array(), array $options = array())
{
if (!parent::connect($driverOptions)) {
throw new Exception(__METHOD__ . ": Unable to connect");
}
return true;
}
function connectDB($checkSchema = True)
{
global $db, $dsn, $dbUser, $dbPassword, $schemaVersion;
// initialize the db
try {
$db = new XPDO($dsn, $dbUser, $dbPassword);
} catch (PDOException $e) {
die("cannot initialize database\n");
}
if ($checkSchema) {
// check schema version
$sql = "SELECT value FROM config WHERE name = 'version'";
if (!($q = $db->query($sql))) {
die("cannot initialize database\n");
}
$version = $q->fetchColumn();
if (version_compare($version, $schemaVersion, "!=")) {
die("database requires schema upgrade\n");
}
}
}
