func (r *Redis) KeysByTags(matchTags ...string) ([]string, Error) {
conn := r.pool.Get()
defer conn.Close()
keys, err := r.getRawKeys(conn)
if err != nil {
return nil, err
}
tagKeys := make([]interface{}, 0)
for _, key := range keys {
tagKeys = append(tagKeys, interface{}(r.tagKey(key)))
}
tags, err2 := redis.Strings(conn.Do("MGET", tagKeys...))
if err2 != nil {
return nil, redisErr(err2)
}
matchedKeys := make([]string, 0)
for index, tags := range tags {
tagList := strings.Split(tags, ";")
for _, matchTag := range matchTags {
if utils.StrIn(tagList, matchTag) {
matchedKeys = append(matchedKeys, keys[index])
}
}
}
return r.cleanKeys(matchedKeys), nil
}
func (fs *Fs) KeysByTags(tags ...string) ([]string, apperror.Error) {
allKeys, err := fs.Keys()
if err != nil {
return nil, err
}
matchedKeys := make([]string, 0)
for _, key := range allKeys {
item, err := fs.Get(key)
if err != nil {
return nil, err
}
for _, tag := range tags {
if utils.StrIn(item.GetTags(), tag) {
matchedKeys = append(matchedKeys, key)
}
}
}
return matchedKeys, nil
}