Mirroristas/etcd
2
0
Fork 0
mirror of https://github.com/etcd-io/etcd.git synced 2024-09-27 06:25:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

clientv3: add 'prevKV' field to watch request

Browse Source
This commit is contained in:
Gyu-Ho Lee 2016-10-07 14:22:58 -07:00
parent 2862c4fa12
commit 2fa2c6284e
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
clientv3/watch.go
View File

@ -148,6 +148,8 @@ type watchRequest struct {
rev int64
// progressNotify is for progress updates.
progressNotify bool
// get the previous key-value pair before the event happens
prevKV bool
// retc receives a chan WatchResponse once the watcher is established
retc chan chan WatchResponse
}
@ -222,6 +224,7 @@ func (w *watcher) Watch(ctx context.Context, key string, opts ...OpOption) Watch
end: string(ow.end),
rev: ow.rev,
progressNotify: ow.progressNotify,
prevKV: ow.prevKV,
retc: make(chan chan WatchResponse, 1),
}
@ -673,6 +676,7 @@ func (wr *watchRequest) toPB() *pb.WatchRequest {
Key: []byte(wr.key),
RangeEnd: []byte(wr.end),
ProgressNotify: wr.progressNotify,
PrevKv: wr.prevKV,
}
cr := &pb.WatchRequest_CreateRequest{CreateRequest: req}
return &pb.WatchRequest{RequestUnion: cr}