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50 lines
1.6 KiB
Protocol Buffer
50 lines
1.6 KiB
Protocol Buffer
syntax = "proto3";
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package mvccpb;
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import "gogoproto/gogo.proto";
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option (gogoproto.marshaler_all) = true;
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option (gogoproto.sizer_all) = true;
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option (gogoproto.unmarshaler_all) = true;
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option (gogoproto.goproto_getters_all) = false;
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option (gogoproto.goproto_enum_prefix_all) = false;
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message KeyValue {
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// key is the key in bytes. An empty key is not allowed.
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bytes key = 1;
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// create_revision is the revision of last creation on this key.
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int64 create_revision = 2;
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// mod_revision is the revision of last modification on this key.
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int64 mod_revision = 3;
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// version is the version of the key. A deletion resets
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// the version to zero and any modification of the key
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// increases its version.
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int64 version = 4;
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// value is the value held by the key, in bytes.
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bytes value = 5;
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// lease is the ID of the lease that attached to key.
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// When the attached lease expires, the key will be deleted.
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// If lease is 0, then no lease is attached to the key.
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int64 lease = 6;
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}
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message Event {
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enum EventType {
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PUT = 0;
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DELETE = 1;
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}
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// type is the kind of event. If type is a PUT, it indicates
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// new data has been stored to the key. If type is a DELETE,
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// it indicates the key was deleted.
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EventType type = 1;
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// kv holds the KeyValue for the event.
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// A PUT event contains current kv pair.
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// A PUT event with kv.Version=1 indicates the creation of a key.
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// A DELETE/EXPIRE event contains the deleted key with
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// its modification revision set to the revision of deletion.
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KeyValue kv = 2;
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// prev_kv holds the key-value pair before the event happens.
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KeyValue prev_kv = 3;
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}
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