func applyDeleteRange(txnID int64, kv dstorage.KV, dr *pb.DeleteRangeRequest) (*pb.DeleteRangeResponse, error) {
resp := &pb.DeleteRangeResponse{}
resp.Header = &pb.ResponseHeader{}
var (
n int64
rev int64
err error
)
if isGteRange(dr.RangeEnd) {
dr.RangeEnd = []byte{}
}
if txnID != noTxn {
n, rev, err = kv.TxnDeleteRange(txnID, dr.Key, dr.RangeEnd)
if err != nil {
return nil, err
}
} else {
n, rev = kv.DeleteRange(dr.Key, dr.RangeEnd)
}
resp.Deleted = n
resp.Header.Revision = rev
return resp, nil
}
func (a *applierV3backend) DeleteRange(txnID int64, dr *pb.DeleteRangeRequest) (*pb.DeleteRangeResponse, error) {
resp := &pb.DeleteRangeResponse{}
resp.Header = &pb.ResponseHeader{}
var (
n int64
rev int64
err error
)
if isGteRange(dr.RangeEnd) {
dr.RangeEnd = []byte{}
}
if txnID != noTxn {
n, rev, err = a.s.KV().TxnDeleteRange(txnID, dr.Key, dr.RangeEnd)
if err != nil {
return nil, err
}
} else {
n, rev = a.s.KV().DeleteRange(dr.Key, dr.RangeEnd)
}
resp.Deleted = n
resp.Header.Revision = rev
return resp, nil
}
func applyDeleteRange(txnID int64, kv mvcc.KV, req *etcdserverpb.DeleteRangeRequest) (*etcdserverpb.DeleteRangeResponse, error) {
resp := &etcdserverpb.DeleteRangeResponse{}
resp.Header = &etcdserverpb.ResponseHeader{}
var (
n int64
rev int64
err error
)
if isGteRange(req.RangeEnd) {
req.RangeEnd = []byte{}
}
if txnID != noTxn {
n, rev, err = kv.TxnDeleteRange(txnID, req.Key, req.RangeEnd)
if err != nil {
return nil, err
}
} else {
n, rev = kv.DeleteRange(req.Key, req.RangeEnd)
}
resp.Deleted = n
resp.Header.Revision = rev
return resp, nil
}
func (a *applierV3backend) DeleteRange(txnID int64, dr *pb.DeleteRangeRequest) (*pb.DeleteRangeResponse, error) {
resp := &pb.DeleteRangeResponse{}
resp.Header = &pb.ResponseHeader{}
var (
n int64
rev int64
err error
)
if isGteRange(dr.RangeEnd) {
dr.RangeEnd = []byte{}
}
var rr *mvcc.RangeResult
if dr.PrevKv {
if txnID != noTxn {
rr, err = a.s.KV().TxnRange(txnID, dr.Key, dr.RangeEnd, mvcc.RangeOptions{})
if err != nil {
return nil, err
}
} else {
rr, err = a.s.KV().Range(dr.Key, dr.RangeEnd, mvcc.RangeOptions{})
if err != nil {
return nil, err
}
}
}
if txnID != noTxn {
n, rev, err = a.s.KV().TxnDeleteRange(txnID, dr.Key, dr.RangeEnd)
if err != nil {
return nil, err
}
} else {
n, rev = a.s.KV().DeleteRange(dr.Key, dr.RangeEnd)
}
resp.Deleted = n
if rr != nil {
for i := range rr.KVs {
resp.PrevKvs = append(resp.PrevKvs, &rr.KVs[i])
}
}
resp.Header.Revision = rev
return resp, nil
}