Method ZRems

structure/zset.go:602–619

ZRems method removes one or more specified members from the sorted set that's stored under the provided key. Params: - key string: the identifier for storing the sorted set in the database. - member ...string: a variadic parameter where each argument is a member string to remove. Returns: error Th

(key string, member ...string)

//
// The function will return an error if it fails at any point, if not it will return nil indicating a successful operation.
func (zs *ZSetStructure) ZRems(key string, member ...string) error {
	if err := checkKey(key); err != nil {
		return err
	}
	keyBytes := stringToBytesWithKey(key)

	zSet, err := zs.getZSetFromDB(keyBytes)

	if err != nil {
		return fmt.Errorf("failed to get or create ZSet from DB with key '%v': %w", key, err)
	}
	for _, s := range member {
		if err = zSet.RemoveNode(s); err != nil {
			return err
		}
	}
	return zs.setZSetToDB(keyBytes, zSet)
}

// ZScore method retrieves the score associated with the member in a sorted set stored at the key
func (zs *ZSetStructure) ZScore(key string, member string) (int, error) {