func (db *DB) SsPut(key, member []byte, score uint64) *skv.Reply {
batch := new(leveldb.Batch)
//
if prev := db.SsGet(key, member); prev.Status == skv.ReplyOK && prev.Uint64() != score {
batch.Delete(skv.SortSetsNsScoreKey(key, member, prev.Uint64()))
} else if prev.Status == skv.ReplyNotFound {
db.RawIncrby(skv.SortSetsNsLengthKey(key), 1)
}
//
batch.Put(skv.SortSetsNsScoreKey(key, member, score), []byte{})
//
batch.Put(skv.SortSetsNsEntryKey(key, member), []byte(strconv.FormatUint(score, 10)))
rpl := skv.NewReply("")
if err := db.ldb.Write(batch, nil); err != nil {
rpl.Status = err.Error()
}
return rpl
}
func (db *DB) SsDel(key, member []byte) *skv.Reply {
batch := new(leveldb.Batch)
batch.Delete(skv.SortSetsNsEntryKey(key, member))
if prev := db.SsGet(key, member); prev.Status == skv.ReplyOK {
db.RawIncrby(skv.SortSetsNsLengthKey(key), -1)
batch.Delete(skv.SortSetsNsScoreKey(key, member, prev.Uint64()))
}
rpl := skv.NewReply("")
if err := db.ldb.Write(batch, nil); err != nil {
rpl.Status = err.Error()
}
return rpl
}
func (db *DB) SsLen(key []byte) *skv.Reply {
return db.RawGet(skv.SortSetsNsLengthKey(key))
}