/** * SQL to create unique keys * @param epClassMap $cm * @param epDb $db * @param string $indent * @return string */ protected function _uniqueKeys($cm, $db, $indent = ' ') { $sql = ''; foreach ($cm->getUniqueKeys() as $name => $key) { // quote keys foreach ($key as $k => $v) { $key[$k] = $db->quoteId($v); } // get stmt for this key $sql .= $indent . $this->_uniqueKey($db->quoteId($name), $key) . ",\n"; } return $sql; }