Method Keys

structure/set.go:234–252

Keys returns all the keys of the set structure

(regx string)

// Keys returns all the keys of the set structure
func (s *SetStructure) Keys(regx string) ([]string, error) {
	toRegexp := convertToRegexp(regx)
	compile, err := regexp.Compile(toRegexp)
	if err != nil {
		return nil, err
	}
	var keys []string
	byteKeys := s.db.GetListKeys()
	for _, key := range byteKeys {
		if compile.MatchString(string(key)) {
			// check if deleted
			if !s.exists(string(key)) {
				continue
			}
			keys = append(keys, string(key))
		}
	}
	return keys, nil
}

// SUnionStore calculates and stores the union of multiple sets
// in a destination set.