database.proto

syntax = "proto3";

package yiwei.proto;

option go_package = "yiwei/proto";

import "proto/entry.proto";
import "proto/label.proto";
import "proto/series.proto";

message DescribeRequest {}

message DescribeResponse {
  repeated string names = 1;
  repeated SeriesDescriptor descriptors = 2;
}

message AppendRequest {
  string series = 1;
  float value = 2;
  repeated Label labels = 3;
}

message AppendResponse {}

message QueryRequest {
  string series = 1;
  int64 start = 2;
  int64 end = 3;
  LabelFilter filter = 4;
}

message Reading { Entry entry = 1; }

message QueryBatchResponse { repeated Reading readings = 1; }

service Database {
  rpc Describe(DescribeRequest) returns (DescribeResponse) {};
  rpc Append(AppendRequest) returns (AppendResponse) {};
  rpc QueryBatch(QueryRequest) returns (QueryBatchResponse) {};
  rpc QueryStream(QueryRequest) returns (stream Reading) {};
}