private HashSet<Long> getOnStockGoodsSet(DBHelper helper) throws SQLException {
HashSet<Long> onStockGoodsSet = new HashSet<>();
ResultSet rs = helper.executeQuery(queryOnstockProductSql);
while (rs.next()) {
long goodsId = rs.getLong("WARESKUCODE");
if (goodsId > 0) {
onStockGoodsSet.add(goodsId);
// System.out.println(goodsId);
}
}
return onStockGoodsSet;
}