WU Jingdi
76 lines
1.9 KiB
Protocol Buffer
76 lines
1.9 KiB
Protocol Buffer
// Copyright 2023 Greptime Team
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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syntax = "proto3";
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package greptime.v1.meta;
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option go_package = "github.com/GreptimeTeam/greptime-proto/go/greptime/v1/meta";
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message RequestHeader {
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uint64 protocol_version = 1;
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// cluster_id is the ID of the cluster which be sent to.
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uint64 cluster_id = 2;
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// member_id is the ID of the sender server.
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uint64 member_id = 3;
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Role role = 4;
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// Encoded trace_id & span_id, follow the w3c Trace Context
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// https://www.w3.org/TR/trace-context/#header-name
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map<string, string> tracing_context = 5;
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}
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enum Role {
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DATANODE = 0;
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FRONTEND = 1;
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}
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message ResponseHeader {
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uint64 protocol_version = 1;
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// cluster_id is the ID of the cluster which sent the response.
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uint64 cluster_id = 2;
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Error error = 3;
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}
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message Error {
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int32 code = 1;
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string err_msg = 2;
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}
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message Peer {
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uint64 id = 1;
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string addr = 2;
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}
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message TableId { uint32 id = 1; }
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message TableName {
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string catalog_name = 1;
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string schema_name = 2;
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string table_name = 3;
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}
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message TimeInterval {
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// The unix timestamp in millis of the start of this period.
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int64 start_timestamp_millis = 1;
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// The unix timestamp in millis of the end of this period.
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int64 end_timestamp_millis = 2;
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}
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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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// value is the value held by the key, in bytes.
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bytes value = 2;
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}
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