message: fix(Query): fix TempResult::sort
diff: @@ -134,6 +134,8 @@ void TempResult::sort(int l, int r, const vector<int> &this_pos)
  if (r <= l)
  return;
  int i = l, j = r + 1;
  + swap(this->result[l].id, this->result[(l + r) / 2].id);
  + swap(this->result[l].str, this->result[(l + r) / 2].str);
  ResultPair &m = this->result[l];
  int this_id_cols = this->id_varset.getVarsetSize();
  