SQL_Model::titleQuery PHP Method

    public function titleQuery()
    {
        $query = $this->dsql()->del('fields');
        /** @type Field $el */
        $el = $this->hasElement($this->title_field);
        if ($this->title_field && $el) {
            $el->updateSelectQuery($query);
            return $query;
        }
        return $query->field($query->concat('Record #', $this->getElement($this->id_field)));
    }