public function getSchemaSearchPaths()
    {
        $params = $this->_conn->getParams();
        $schema = explode(',', $this->_conn->fetchColumn('SHOW search_path'));

        if (isset($params['user'])) {
            $schema = str_replace('"$user"', $params['user'], $schema);
        }

        return array_map('trim', $schema);
    }