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etcdserver: use prev-lease for 'ignore_lease' writes

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This commit is contained in:
sharat
2017-01-25 03:05:55 +05:30
parent 5ac4e4255a
commit 8a87769a09
1 changed files with 10 additions and 2 deletions
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12
etcdserver/apply.go
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@@ -161,7 +161,7 @@ func (a *applierV3backend) Put(txnID int64, p *pb.PutRequest) (*pb.PutResponse,
)
var rr *mvcc.RangeResult
if p.PrevKv || p.IgnoreValue {
if p.PrevKv || p.IgnoreValue || p.IgnoreLease {
if txnID != noTxn {
rr, err = a.s.KV().TxnRange(txnID, p.Key, nil, mvcc.RangeOptions{})
if err != nil {
@@ -183,6 +183,14 @@ func (a *applierV3backend) Put(txnID int64, p *pb.PutRequest) (*pb.PutResponse,
p.Value = rr.KVs[0].Value
}
if p.IgnoreLease {
if rr == nil || len(rr.KVs) == 0 {
// ignore_lease flag expects previous key-value pair
return nil, ErrKeyNotFound
}
p.Lease = rr.KVs[0].Lease
}
if txnID != noTxn {
rev, err = a.s.KV().TxnPut(txnID, p.Key, p.Value, lease.LeaseID(p.Lease))
if err != nil {
@@ -767,7 +775,7 @@ func (a *applierV3backend) checkRequestPut(reqs []*pb.RequestOp) error {
if preq == nil {
continue
}
if preq.IgnoreValue {
if preq.IgnoreValue || preq.IgnoreLease {
// expects previous key-value, error if not exist
rr, err := a.s.KV().Range(preq.Key, nil, mvcc.RangeOptions{})
if err != nil {