message: fix reader-op log bug
diff: @@ -157,15 +157,13 @@ int GeneralReaderOp::inference() {
  }
  // implement lod tensor here
  // only support 1-D lod
  - // TODO:support 2-D lod
  + // TODO(HexToString): support 2-D lod
  if (tensor.lod_size() > 0) {
  VLOG(2) << "(logid=" << log_id << ") var[" << i << "] is lod_tensor";
  lod_tensor.lod.resize(1);
  for (int k = 0; k < tensor.lod_size(); ++k) {
  lod_tensor.lod[0].push_back(tensor.lod(k));
  }
  - VLOG(2) << "(logid=" << log_id << ") var[" << i
  - << "] has lod_tensor and len=" << out->at(i).lod[0].back();
  }
  for (int k = 0; k < tensor.shape_size(); ++k) {
  @@ -180,7 +178,10 @@ int GeneralReaderOp::inference() {
  << "]: " << data_len;
  databuf_size[i] = data_len * elem_size[i];
  out->at(i).data.Resize(data_len * elem_size[i]);
  -
  + if (out->at(i).lod.size() > 0) {
  + VLOG(2) << "(logid=" << log_id << ") var[" << i
  + << "] has lod_tensor and len=" << out->at(i).lod[0].back();
  + }
  if (elem_type[i] == P_INT64) {
  int64_t *dst_ptr = static_cast<int64_t *>(out->at(i).data.data());
  VLOG(2) << "(logid=" << log_id << ") first element data in var[" << i
  