message: add checks for compression_type and buffer_size also
diff: @@ -388,6 +388,10 @@ REGISTER_OP("TextLineDataset")
  // `filenames` must be a scalar or a vector.
  TF_RETURN_IF_ERROR(c->WithRankAtMost(c->input(0), 1, &unused));
  return shape_inference::ScalarShape(c);
  + // `compression_type` could only be a scalar.
  + TF_RETURN_IF_ERROR(c->WithRank(c->input(1), 0, &unused));
  + // `buffer_size` could only be a scalar.
  + TF_RETURN_IF_ERROR(c->WithRank(c->input(2), 0, &unused));
  });
  REGISTER_OP("SqlDataset")
  