code: func GetMulticastQueueItemsForMulticastGroup(db sqlx.Queryer, multicastGroupID uuid.UUID) ([]MulticastQueueItem, error) {
  	var items []MulticastQueueItem
  
  	err := sqlx.Select(db, &items, `
  		select
  			*
  		from
  			multicast_queue
  		where
  			multicast_group_id = $1
  		order by
  			id
  	`, multicastGroupID)
  	if err != nil {
  		return nil, handlePSQLError(err, "select error")
  	}
  
  	return items, nil
  }
docs: // GetMulticastQueueItemsForMulticastGroup returns all queue-items given
  // a multicast-group id.