message: Issue Nested row grouping
  Fix selection typo.
diff: @@ -90,7 +90,7 @@ static inline void ListLoopHash(Vector &input, Vector &hashes, const SelectionVe
  SelectionVector unprocessed(count);
  idx_t remaining = 0;
  for (idx_t i = 0; i < count; ++i) {
  - const idx_t ridx = HAS_RSEL ? rsel->get_index(i) : 0;
  + const idx_t ridx = HAS_RSEL ? rsel->get_index(i) : i;
  const auto &entry = ldata[ridx];
  if (idata.validity.RowIsValid(ridx) && entry.length > 0) {
  cursor.set_index(ridx, entry.offset);
  