code: func (s *Store) PreparedQuerySet(idx uint64, query *structs.PreparedQuery) error {
  	tx := s.db.Txn(true)
  	defer tx.Abort()
  
  	if err := s.preparedQuerySetTxn(tx, idx, query); err != nil {
  		return err
  	}
  
  	tx.Commit()
  	return nil
  }
docs: // PreparedQuerySet is used to create or update a prepared query.