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do not get previous K/V for create event

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Signed-off-by: Benjamin Wang <wachao@vmware.com>
This commit is contained in:
Benjamin Wang 2022-08-01 13:11:46 +08:00
parent 314dcbf6f5
commit cc1b0e6a44
1 changed files with 5 additions and 1 deletions
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6
etcdserver/api/v3rpc/watch.go
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@ -400,7 +400,7 @@ func (sws *serverWatchStream) sendLoop() {
sws.mu.RUnlock()
for i := range evs {
events[i] = &evs[i]
if needPrevKV {
if needPrevKV && !isCreateEvent(evs[i]) {
opt := mvcc.RangeOptions{Rev: evs[i].Kv.ModRevision - 1}
r, err := sws.watchable.Range(evs[i].Kv.Key, nil, opt)
if err == nil && len(r.KVs) != 0 {
@ -534,6 +534,10 @@ func (sws *serverWatchStream) sendLoop() {
}
}
func isCreateEvent(e mvccpb.Event) bool {
return e.Type == mvccpb.PUT && e.Kv.CreateRevision == e.Kv.ModRevision
}
func sendFragments(
wr *pb.WatchResponse,
maxRequestBytes int,