protected static function getConnection()
{
if (self::$db === null) {
if (!self::$dsn) {
throw new DJException("Please tell DJJob how to connect to your database by calling DJJob::configure(\$dsn) or re-using an existing PDO connection by calling DJJob::setConnection(\$pdoObject).");
}
try {
self::$db = new PDO(self::$dsn);
self::$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
throw new Exception("DJJob couldn't connect to the database. PDO said [{$e->getMessage()}]");
}
}
return self::$db;
}
protected static function getConnection()
{
if (self::$db === null) {
if (!self::$dsn) {
throw new DJException("Please tell DJJob how to connect to your database by calling DJJob::configure(\$dsn, [\$options = array()]) or re-using an existing PDO connection by calling DJJob::setConnection(\$pdoObject). If you're using MySQL you'll need to pass the db credentials as separate 'mysql_user' and 'mysql_pass' options. This is a PDO limitation, see [http://stackoverflow.com/questions/237367/why-is-php-pdo-dsn-a-different-format-for-mysql-versus-postgresql] for an explanation.");
}
try {
// http://stackoverflow.com/questions/237367/why-is-php-pdo-dsn-a-different-format-for-mysql-versus-postgresql
if (self::$options["mysql_user"] !== null) {
self::$db = new PDO(self::$dsn, self::$options["mysql_user"], self::$options["mysql_pass"]);
} else {
self::$db = new PDO(self::$dsn);
}
self::$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
throw new Exception("DJJob couldn't connect to the database. PDO said [{$e->getMessage()}]");
}
}
return self::$db;
}
public static function runUpdate($sql, $params = array())
{
for ($attempts = 0; $attempts < self::$retries; $attempts++) {
try {
$stmt = self::getConnection()->prepare($sql);
$stmt->execute($params);
return $stmt->rowCount();
} catch (PDOException $e) {
// Catch "MySQL server has gone away" error.
if ($e->errorInfo[1] == 2006) {
self::$db = null;
} else {
throw $e;
}
}
}
throw new DJException("DJJob exhausted retries connecting to database");
}