func xscan(db *ledis.DB, tp string, count int) ([][]byte, error) {
switch strings.ToUpper(tp) {
case KVName:
return db.Scan(KV, nil, count, false, "")
case HashName:
return db.Scan(HASH, nil, count, false, "")
case ListName:
return db.Scan(LIST, nil, count, false, "")
case SetName:
return db.Scan(SET, nil, count, false, "")
case ZSetName:
return db.Scan(ZSET, nil, count, false, "")
default:
return nil, fmt.Errorf("invalid key type %s", tp)
}
}
func xttl(db *ledis.DB, tp string, key []byte) (int64, error) {
switch strings.ToUpper(tp) {
case KVName:
return db.TTL(key)
case HashName:
return db.HTTL(key)
case ListName:
return db.LTTL(key)
case SetName:
return db.STTL(key)
case ZSetName:
return db.ZTTL(key)
default:
return 0, fmt.Errorf("invalid key type %s", tp)
}
}
func xdel(db *ledis.DB, tp string, key []byte) error {
var err error
switch strings.ToUpper(tp) {
case KVName:
_, err = db.Del(key)
case HashName:
_, err = db.HClear(key)
case ListName:
_, err = db.LClear(key)
case SetName:
_, err = db.SClear(key)
case ZSetName:
_, err = db.ZClear(key)
default:
err = fmt.Errorf("invalid key type %s", tp)
}
return err
}
func xdump(db *ledis.DB, tp string, key []byte) ([]byte, error) {
var err error
var data []byte
switch strings.ToUpper(tp) {
case KVName:
data, err = db.Dump(key)
case HashName:
data, err = db.HDump(key)
case ListName:
data, err = db.LDump(key)
case SetName:
data, err = db.SDump(key)
case ZSetName:
data, err = db.ZDump(key)
default:
err = fmt.Errorf("invalid key type %s", tp)
}
return data, err
}