go.etcd.io/etcd@v3.3.27+incompatible/mvcc/mvccpb/kv.proto (about)

     1  syntax = "proto3";
     2  package mvccpb;
     3  
     4  import "gogoproto/gogo.proto";
     5  
     6  option (gogoproto.marshaler_all) = true;
     7  option (gogoproto.sizer_all) = true;
     8  option (gogoproto.unmarshaler_all) = true;
     9  option (gogoproto.goproto_getters_all) = false;
    10  option (gogoproto.goproto_enum_prefix_all) = false;
    11  
    12  message KeyValue {
    13    // key is the key in bytes. An empty key is not allowed.
    14    bytes key = 1;
    15    // create_revision is the revision of last creation on this key.
    16    int64 create_revision = 2;
    17    // mod_revision is the revision of last modification on this key.
    18    int64 mod_revision = 3;
    19    // version is the version of the key. A deletion resets
    20    // the version to zero and any modification of the key
    21    // increases its version.
    22    int64 version = 4;
    23    // value is the value held by the key, in bytes.
    24    bytes value = 5;
    25    // lease is the ID of the lease that attached to key.
    26    // When the attached lease expires, the key will be deleted.
    27    // If lease is 0, then no lease is attached to the key.
    28    int64 lease = 6;
    29  }
    30  
    31  message Event {
    32    enum EventType {
    33      PUT = 0;
    34      DELETE = 1;
    35    }
    36    // type is the kind of event. If type is a PUT, it indicates
    37    // new data has been stored to the key. If type is a DELETE,
    38    // it indicates the key was deleted.
    39    EventType type = 1;
    40    // kv holds the KeyValue for the event.
    41    // A PUT event contains current kv pair.
    42    // A PUT event with kv.Version=1 indicates the creation of a key.
    43    // A DELETE/EXPIRE event contains the deleted key with
    44    // its modification revision set to the revision of deletion.
    45    KeyValue kv = 2;
    46  
    47    // prev_kv holds the key-value pair before the event happens.
    48    KeyValue prev_kv = 3;
    49  }