message PFetchColIdsResponse {
  message PFetchColIdsResultEntry {
    required int64 index_id = 1;
    map<string, int32> col_name_to_id = 2;
  }
  optional .doris.PStatus status = 1;
  repeated .doris.PFetchColIdsResponse.PFetchColIdsResultEntry entries = 2;
}