system/Session/Handlers/DatabaseHandler.php
public function open($savePath, $name): bool
	{
		if (empty($this->db->connID))
		{
			$this->db->initialize();
		}

		return true;
	}
public function open($savePath, $name): bool
	{
		if (empty($this->db->connID))
		{
			$this->db->initialize();
		}

		return true;
	}
Open

Ensures we have an initialized database connection.

@param string $savePath Path to session files' directory
@param string $name     Session cookie name

@return boolean
@throws \Exception