ekuiper-new/internal/schema/test/test4.proto

syntax = "proto3";

message Classroom{
  message Stu {
    int32 age = 1;
    string name = 2;
    Info info = 3;
  }
  message Info {
    repeated int32 number = 1;
    repeated string addr = 2;
  }
  string name = 1;
  int32 number = 2;
  repeated Stu stu = 3;
}