func getTestKV(tableId uint8, rowKey, colKey, value []byte, score int64, cas uint32) proto.KeyValue {
var kv proto.KeyValue
kv.TableId = tableId
kv.RowKey = rowKey
kv.ColKey = colKey
kv.SetValue(value)
kv.SetScore(score)
kv.SetCas(cas)
return kv
}
func (tbl *Table) getKV(rOpt *ReadOptions, zop bool, dbId uint8,
kv *proto.KeyValue, wa *WriteAccess) error {
kv.CtrlFlag &^= 0xFF // Clear all ctrl flags
if kv.Cas > 0 && !wa.CheckKey(dbId, kv.TableId, kv.RowKey) {
kv.SetErrCode(table.EcSlaveCas)
return nil
}
var rawColSpace uint8 = proto.ColSpaceDefault
if zop {
rawColSpace = proto.ColSpaceScore2
}
var rawKey = getRawKey(dbId, kv.TableId, rawColSpace, kv.RowKey, kv.ColKey)
var err error
kv.Value, err = tbl.db.Get(rOpt, rawKey)
if err != nil {
kv.SetErrCode(table.EcReadFail)
return err
} else if kv.Value == nil {
// Key not exist
kv.SetErrCode(table.EcNotExist)
} else {
// Key exists
kv.Value, kv.Score = parseRawValue(kv.Value)
if len(kv.Value) > 0 {
kv.CtrlFlag |= proto.CtrlValue
}
if kv.Score != 0 {
kv.CtrlFlag |= proto.CtrlScore
}
}
if kv.Cas > 1 {
var rawKey = getRawKey(dbId, kv.TableId, rawColSpace, kv.RowKey, kv.ColKey)
var lck = tbl.tl.GetLock(rawKey)
lck.Lock()
kv.SetCas(lck.NewCas(rawKey))
lck.Unlock()
}
return nil
}