message: Fix for NLJ mark
diff: @@ -14,8 +14,14 @@ template <class T, class OP> static void mark_join_templated(Vector &left, Vecto
  auto rdata = (T *)right_data.data;
  for(idx_t i = 0; i < lcount; i++) {
  auto lidx = left_data.sel->get_index(i);
  + if ((*left_data.nullmask)[lidx]) {
  + continue;
  + }
  for(idx_t j = 0; j < rcount; j++) {
  auto ridx = right_data.sel->get_index(j);
  + if ((*right_data.nullmask)[ridx]) {
  + continue;
  + }
  if (OP::Operation(ldata[lidx], rdata[ridx])) {
  found_match[i] = true;
  }
  