public function filterByObjectSlug($objectSlug = null, $comparison = null)
    {
        if (null === $comparison) {
            if (is_array($objectSlug)) {
                $comparison = Criteria::IN;
            } elseif (preg_match('/[\%\*]/', $objectSlug)) {
                $objectSlug = str_replace('*', '%', $objectSlug);
                $comparison = Criteria::LIKE;
            }
        }

        return $this->addUsingAlias(SportTableMap::COL_OBJECT_SLUG, $objectSlug, $comparison);
    }