eZ\Publish\Core\Persistence\Database\DatabaseHandler::createUpdateQuery PHP Метод

    public function createUpdateQuery();

 /**
  * Deletes the relation with the given $relationId.
  *
  * @param int $relationId
  * @param int $type {@see \eZ\Publish\API\Repository\Values\Content\Relation::COMMON,
  *                 \eZ\Publish\API\Repository\Values\Content\Relation::EMBED,
  *                 \eZ\Publish\API\Repository\Values\Content\Relation::LINK,
  *                 \eZ\Publish\API\Repository\Values\Content\Relation::FIELD}
  */
 public function deleteRelation($relationId, $type)
 {
     // Legacy Storage stores COMMON, LINK and EMBED types using bitmask, therefore first load
     // existing relation type by given $relationId for comparison
     /** @var $query \eZ\Publish\Core\Persistence\Database\SelectQuery */
     $query = $this->dbHandler->createSelectQuery();
     $query->select($this->dbHandler->quoteColumn('relation_type'))->from($this->dbHandler->quoteTable('ezcontentobject_link'))->where($query->expr->eq($this->dbHandler->quoteColumn('id'), $query->bindValue($relationId, null, \PDO::PARAM_INT)));
     $statement = $query->prepare();
     $statement->execute();
     $loadedRelationType = $statement->fetchColumn();
     if (!$loadedRelationType) {
         return;
     }
     // If relation type matches then delete
     if ($loadedRelationType == $type) {
         /** @var $query \eZ\Publish\Core\Persistence\Database\DeleteQuery */
         $query = $this->dbHandler->createDeleteQuery();
         $query->deleteFrom('ezcontentobject_link')->where($query->expr->eq($this->dbHandler->quoteColumn('id'), $query->bindValue($relationId, null, \PDO::PARAM_INT)));
         $query->prepare()->execute();
     } elseif ($loadedRelationType & $type) {
         // If relation type is composite update bitmask
         /** @var $query \eZ\Publish\Core\Persistence\Database\UpdateQuery */
         $query = $this->dbHandler->createUpdateQuery();
         $query->update($this->dbHandler->quoteTable('ezcontentobject_link'))->set($this->dbHandler->quoteColumn('relation_type'), $query->expr->bitAnd($this->dbHandler->quoteColumn('relation_type'), $query->bindValue(~$type, null, \PDO::PARAM_INT)))->where($query->expr->eq($this->dbHandler->quoteColumn('id'), $query->bindValue($relationId, null, \PDO::PARAM_INT)));
         $query->prepare()->execute();
     } else {
         // No match, do nothing
     }
 }