/**
  * {@inheritdoc}
  */
 public function insertRows(PersistentCollection $coll)
 {
     $diff = $coll->getInsertDiff();
     $sql = $this->getInsertRowSQL($coll);
     foreach ($diff as $element) {
         $this->conn->executeUpdate($sql, $this->getInsertRowSQLParameters($coll, $element));
     }
 }
 public function insertRows(PersistentCollection $coll)
 {
     $insertDiff = $coll->getInsertDiff();
     $sql = $this->_getInsertRowSql($coll);
     foreach ($insertDiff as $element) {
         $this->_conn->exec($sql, $this->_getInsertRowSqlParameters($coll, $element));
     }
 }