discord9
89 lines
2.5 KiB
Protocol Buffer
89 lines
2.5 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.flow;
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option java_package = "io.greptime.v1.flow";
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option java_outer_classname = "Server";
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option go_package = "github.com/GreptimeTeam/greptime-proto/go/greptime/v1/flow";
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import "greptime/v1/common.proto";
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import "greptime/v1/ddl.proto";
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import "greptime/v1/row.proto";
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service Flow {
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// Handle the control plane request for creating or removing a flow.
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rpc HandleCreateRemove(FlowRequest) returns (FlowResponse);
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// Handle the data plane request for inserting or deleting rows
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// only expect `RegionRequest` to be one of `InsertRequests` or
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// `DeleteRequests` other types of `RegionRequest` will be ignored
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rpc HandleMirrorRequest(InsertRequests) returns (FlowResponse);
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}
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message FlowRequestHeader {
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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 = 1;
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// The contextual information of the query
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QueryContext query_context = 2;
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}
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message InsertRequests { repeated InsertRequest requests = 1; }
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message InsertRequest {
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uint64 region_id = 1;
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Rows rows = 2;
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}
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message FlowRequest {
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FlowRequestHeader header = 64;
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oneof body {
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CreateRequest create = 1;
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DropRequest drop = 2;
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FlushFlow flush = 3;
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}
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}
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message FlowResponse {
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ResponseHeader header = 1;
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uint64 affected_rows = 2;
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// affected flow ids
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repeated FlowId affected_flows = 3;
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map<string, bytes> extension = 4;
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}
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// Create a flow
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//
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// Very similar to `ddl.CreateTaskExpr`,
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// replace `source_table_names` with `source_table_ids`
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message CreateRequest {
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FlowId flow_id = 1;
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repeated TableId source_table_ids = 2;
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TableName sink_table_name = 3;
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bool create_if_not_exists = 4;
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// Expire data older than the given duration seconds.
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ExpireAfter expire_after = 5;
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string comment = 6;
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string sql = 7;
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map<string, string> flow_options = 8;
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}
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message DropRequest { FlowId flow_id = 1; }
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message FlushFlow {
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FlowId flow_id = 1;
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}
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