{"id":135760,"date":"2020-07-16T04:14:50","date_gmt":"2020-07-15T20:14:50","guid":{"rendered":"http:\/\/4563.org\/?p=135760"},"modified":"2020-07-16T04:14:50","modified_gmt":"2020-07-15T20:14:50","slug":"mysql-update-%e5%ba%93%e5%ad%98%e8%a7%a3%e5%86%b3%e5%b9%b6%e5%8f%91%e5%8d%96%e8%b6%85%e7%9a%84%e9%97%ae%e9%a2%98%e5%a4%b1%e8%b4%a5%e4%ba%86-where-and-%e7%9c%9f%e7%9a%84%e5%8f%af%e8%a1%8c%e5%90%97","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=135760","title":{"rendered":"mysql update \u5e93\u5b58\u89e3\u51b3\u5e76\u53d1\u5356\u8d85\u7684\u95ee\u9898\u5931\u8d25\u4e86 where and \u771f\u7684\u53ef\u884c\u5417\uff1f"},"content":{"rendered":"
\n
\n
\n

mysql update \u5e93\u5b58\u89e3\u51b3\u5e76\u53d1\u5356\u8d85\u7684\u95ee\u9898\u5931\u8d25\u4e86 where and \u771f\u7684\u53ef\u884c\u5417\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : chwangtenger <\/span> <\/i> 11<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6700\u8fd1\u4ece cv \u8f6c java \u770b\u4e00\u4e2a\u6155\u8bfe\u7684\u6559\u7a0b \u300a Java \u79d2\u6740\u7cfb\u7edf\u65b9\u6848\u4f18\u5316 \u9ad8\u6027\u80fd\u9ad8\u5e76\u53d1\u5b9e\u6218\u300b<\/p>\n

\u91cc\u9762\u7684\u8001\u5e08\u4e3a\u4e86\u89e3\u51b3\u5356\u8d85\u7684\u95ee\u9898\uff0c\u7528\u4e86update miaosha_goods set stock_count = stock_count - 1 where goods_id = #{goodsId} and stock_count > 0<\/code>\u8fd9\u6837\u4e00\u53e5\u8bdd\uff0c\u4ed6\u8bf4\u7528and stock_count > 0<\/code>\u5c31\u53ef\u4ee5\u89e3\u51b3\u5e93\u5b58\u53d8\u8d1f\u6570\u7684\u95ee\u9898\uff0c\u4ece\u800c\u89e3\u51b3\u5356\u8d85\u3002\u56e0\u4e3a\u8fd9\u4e00\u64cd\u4f5c\u548c\u540e\u9762\u751f\u6210\u8ba2\u5355\u7684\u4ee3\u7801\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u7684 annotation \u91cc\u3002<\/p>\n

\u53ef\u662f\u6211\u5b9e\u9645\u8dd1\u4ed6\u4e00\u6837\u7684\u4ee3\u7801\u53d1\u73b0\u8ba2\u5355\u8fd8\u662f\u4f1a\u5356\u8d85\uff0c\u3002\u4ed6\u89c6\u9891\u91cc\u6f14\u793a\u7684\u65f6\u5019\u5e93\u5b58\u8bbe\u7f6e 10\uff0c\u6700\u7ec8\u53d8\u4e3a 0\uff0c\u8ba2\u5355\u4e5f\u521a\u597d 10 \u4e2a\u3002\u4f46\u6211\u8fd9\u91cc\u867d\u7136\u5e93\u5b58\u53d8\u6210 0 \u4e86\uff0c\u8ba2\u5355\u6709 50 \u591a\u4e2a\u3002<\/p>\n

\u6211\u5728\u6570\u636e\u5e93\u8bd5\u4e86\u4e0b\u662f\u56e0\u4e3a\u6267\u884c\u8fd9\u53e5\u8bdd\u7684\u65f6\u5019\u6570\u636e\u5e93\u6ca1\u6709\u62a5\u5f02\u5e38\uff0c\u6240\u4ee5\u5f88\u591a\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c\u4e86\u540e\u7eed\u7684\u4e0b\u8ba2\u5355\u7684\u6d41\u7a0b\uff08\u867d\u7136\u51cf\u5e93\u5b58\u548c\u4e0b\u8ba2\u5355\u5728\u4e00\u4e2a\u4e8b\u52a1\u91cc\uff0c\u4f46\u662f\u90a3\u4e2a where \u5e76\u6ca1\u6709\u89e6\u53d1\u4ec0\u4e48\u9519\u8bef\uff0cwhere \u6761\u4ef6\u4e0d\u6ee1\u8db3\u7684\u5730\u65b9\uff0c\u5c31 Affected rows: 0\uff0c\u6700\u7ec8\u6ca1\u6709\u51fa\u53d1\u5f02\u5e38\u548c\u56de\u6eda\uff09\u6211\u89e3\u91ca\u4e0d\u4e86\u4e3a\u4ec0\u4e48\u8001\u5e08\u6d4b\u8bd5\u7684\u7ed3\u679c\u662f\u5bf9\u7684\uff0c\u6211\u4eec\u90fd\u662f 1000 \u4e2a\u7ebf\u7a0b\uff0c\u4ed6\u8fd0\u6c14\u6ca1\u6709\u90a3\u4e48\u597d\u5427\u3002<\/p>\n

\u53e6\u5916\u6211\u8fd8\u5728\u7f51\u4e0a\u770b\u5230\u4e86\u4e00\u4e9b\u56de\u7b54\u4e5f\u662f\u8fd9\u79cd\u7c7b\u4f3c\u7684\u65b9\u6cd5\uff0c\u7528 where and \u3002\u3002\u3002\u8fd9\u4e0d\u662f\u6761\u4ef6\u66f4\u65b0\u5417\uff1f\u5c31\u7b97\u4e0d\u6ee1\u8db3\u4e5f\u4e0d\u4f1a\u629b\u51fa\u5f02\u5e38\u5440\uff0c\u90a3\u5c31\u4e0d\u4f1a\u81ea\u52a8\u56de\u6eda\u5440\u3002<\/p>\n

\u56e0\u4e3a\u90a3\u4e2a\u8bfe\u7a0b 2017 \u5e74\u7684\uff0c\u6211\u5c31\u4e0b\u4e86\u4e2a mysql5.6 \u8bd5\u8bd5\uff0c\u7ed3\u679c\u4e5f\u662f\u4e00\u6837\u7684\uff0c\u6709\u5927\u4fa0\u77e5\u9053\u4e3a\u4ec0\u4e48\u5417\u3002<\/p>\n

\u4e0b\u9762\u662f\u53e6\u5916\u4e00\u4e9b\u63d0\u5230\u7c7b\u4f3c\u8fd9\u4e2a\u65b9\u6cd5\u7684 https:\/\/blog.csdn.net\/qq_16504067\/article\/details\/79485443 https:\/\/www.v2ex.com\/t\/254887<\/p>\n<\/p><\/div>\n

<\/p>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (22<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Maboroshii <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : emeab <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0a\u4e2a\u9501\u5427 \u8bfb\u7684\u662f\u810f\u6570\u636e \u5e76\u53d1\u9ad8\u80af\u5b9a\u4f1a\u8d85\u5356\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : limuyan44 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5355\u5c31 sql \u6765\u8bf4\u6ca1\u4ec0\u4e48\u95ee\u9898\uff0c\u8fd9\u4e2a\u4e5f\u4e0d\u662f\u901a\u8fc7 sql \u629b\u5f02\u5e38\u4e8b\u52a1\u56de\u6eda\u6765\u63a7\u5236\u7684\uff0c\u662f\u770b sql \u7684\u8fd4\u56de\u7ed3\u679c\u662f\u5426\u6709\u66f4\u65b0\uff0c\u6ca1\u6709\u66f4\u65b0\u8bf4\u660e\u65e0\u5e93\u5b58\u6765\u505a\u76f8\u5e94\u7684\u5904\u7406\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : DonaldY <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    Affected rows: 0\uff0c\u4e0d\u5c31\u662f\u6ca1\u6709\u66f4\u65b0\u884c\u6570\uff0c\u4e0d\u6ee1\u8db3\u6761\u4ef6\u3002<\/p>\n

    \u5f02\u5e38\u662f\u8981\u81ea\u5df1\u629b\u7684\uff0c\u7136\u540e\u624d\u56de\u6eda\u3002<\/p>\n

    update \u4f1a\u9501\u4f4f\u884c <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : AngryPanda <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    if (affectedRows > 0) {
    throw exception;
    } <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pushback <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6839\u636e update \u8fd4\u56de\u7ed3\u679c\u5f71\u54cd\u884c\u6570\u9009\u62e9\u662f\u5426\u56de\u6eda <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : AngryPanda <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    if (affectedRows <= 0) {
    throw exception;
    } <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chwangtenger <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @limuyan44 \u5bf9\uff0csql \u6ca1\u95ee\u9898\u7684\uff0c\u4f46\u662f\u5f71\u54cd\u7684\u884c\u662f 0 \u884c\uff0c\u4e5f\u4e0d\u4f1a\u62a5\u51fa\u5f02\u5e38\uff0c\u6240\u4ee5\u540e\u9762\u7684\u7a0b\u5e8f\u4ee3\u7801\u91cc\u9876\u591a\u53ea\u80fd\u81ea\u5df1\u5224\u65ad\u8fd4\u56de\u7684\u5f71\u54cd\u884c\u6570\u6765\u5224\u65ad\u521a\u624d\u7684\u51cf\u5e93\u5b58\u6709\u6ca1\u6709\u6210\u529f\uff0c\u4f46\u662f\u4ed6\u4ee3\u7801\u91cc\u4e5f\u6ca1\u8fd9\u4e48\u5199\uff0c\u6211\u611f\u89c9\u8001\u5e08\u4e0d\u662f\u8bb2\u9519\u4e86\u3002\u4f46\u662f\u6211\u53c8\u65e0\u6cd5\u89e3\u91ca\u4e3a\u5565\u4ed6\u5e76\u53d1\u7684\u7ed3\u679c\u662f\u5bf9\u7684\uff0c\u4e00\u4ef6\u90fd\u6ca1\u8d85\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wysnylc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6570\u636e\u5e93\u89e3\u51b3\u5e76\u53d1\u5c31\u662f\u626f\u6de1,\u8981\u4e48\u7528\u961f\u5217\u8981\u4e48 redis incry \u8981\u4e48\u5206\u5e03\u5f0f\u9501 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : AngryPanda <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @wysnylc \u5e76\u53d1\u91cf\u4e0d\u5341\u5206\u9ad8\u7684\u65f6\u5019\uff0c\u7528\u7528\u8fd8\u662f\u5f88\u9999\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : limuyan44 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u800c\u4e14\u4f60\u8fd9\u662f\u4e2a\u6536\u8d39\u8bfe\u7a0b\uff0c\u8fde\u4ee3\u7801\u90fd\u770b\u4e0d\u5230\uff0c\u81f3\u5c11\u8d34\u6bb5\u4ee3\u7801\u51fa\u6765\uff0c\u4f60\u7684\u95ee\u9898\u53ea\u6709\u4e0a\u5e1d\u77e5\u9053\u4e3a\u4ec0\u4e48\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wysnylc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @AngryPanda #10 \u672c\u5730\u642d\u4e2a redis \u5f88\u5feb,\u5e76\u53d1\u95ee\u9898\u4e0d\u5728\u4e8e\u91cf\u5927\u91cf\u5c0f\u800c\u662f\u5e76\u53d1\u8d85\u5356\u600e\u4e48\u5904\u7406\u8d85\u5356 1 \u4e2a\u548c 100 \u4e2a\u6ca1\u6709\u533a\u522b,\u8001\u677f\u4e00\u6837\u4f1a\u9a82\u4f60 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : AngryPanda <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @wysnylc \u5f53\u5e76\u53d1\u6570\u5e76\u6ca1\u6709\u5927\u5230\u53ef\u4ee5\u5f71\u54cd\u6570\u636e\u5e93\u7684\u8bfb\u5199\u6027\u80fd\uff0c\u6211\u4e3a\u5565\u8981\u6539\u4ee3\u7801\uff1f<\/p>\n

    \u7a0d\u5fae\u8c03\u6574\u4e00\u4e0b SQL \u5c31\u89e3\u51b3\u4e0d\u53ef\u4ee5\u4e48\uff1f\u6240\u4ee5\u6211\u89c9\u5f97\u8fd8\u662f\u5f97\u4ece\u5b9e\u9645\u51fa\u53d1\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : kanepan19 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u66f4\u65b0\u662f\u539f\u5b50\u7684, \u4f46\u662f\u4f60 \u8bfb\u53d6\u5e93\u5b58\u7684\u65f6\u5019,\u4e0d\u662f\u539f\u5b50\u7684.
    \u51fa\u5e93\u7684 manager \u542f\u4e00\u4e2a\u4e8b\u52a1
    \u6700\u540e\u66f4\u65b0\u5982\u679c\u5e93\u5b58\u64cd\u4f5c \u5982\u679c\u5931\u8d25,\u629b\u5f02\u5e38\u56de\u6eda.
    \u5219\u51fa\u8d27\u5931\u8d25. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : kanepan19 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u66f4\u6b63, \u4ee5\u4e0a\u8bfb\u53d6\u5e93\u5b58\u7684\u65f6\u5019\u80af\u80fd\u662f\u810f\u6570\u636e. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chwangtenger <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @limuyan44 \u4ee3\u7801\u6709\u597d\u51e0\u5c42\uff0c\u90a3\u6211\u8d34\u4e00\u4e0b<\/p>\n

    MiaoshaController.java <\/p>\n

    @RequestMapping(value=”\/do_miaosha”, method= RequestMethod.POST)
    @ResponseBody
    public Result<OrderInfo> miaosha(Model model,MiaoshaUser user,
    @RequestParam(“goodsId”)long goodsId) {
    model.addAttribute(“user”, user);
    if(user == null) {
    return Result.error(CodeMsg.SESSION_ERROR);
    }
    \/\/\u5224\u65ad\u5e93\u5b58
    GoodsVo goods = goodsService.getGoodsVoByGoodsId(goodsId);\/\/10 \u4e2a\u5546\u54c1\uff0creq1 req2
    int stock = goods.getStockCount();
    if(stock <= 0) {
    return Result.error(CodeMsg.MIAO_SHA_OVER);
    }
    \/\/\u5224\u65ad\u662f\u5426\u5df2\u7ecf\u79d2\u6740\u5230\u4e86
    MiaoshaOrder order = orderService.getMiaoshaOrderByUserIdGoodsId(user.getId(), goodsId);
    if(order != null) {
    return Result.error(CodeMsg.REPEATE_MIAOSHA);
    }
    \/\/\u51cf\u5e93\u5b58 \u4e0b\u8ba2\u5355 \u5199\u5165\u79d2\u6740\u8ba2\u5355
    OrderInfo orderInfo = miaoshaService.miaosha(user, goods); \/\/\u6211\u63d0\u95ee\u7684\u64cd\u4f5c\u5728\u8fd9\u4e2a\u51fd\u6570\u91cc\u9762
    return Result.success(orderInfo);
    }<\/p>\n

    MiaoshaService.java \u4e2d\uff0c\u4e0a\u6587\u7684 miaoshaService.miaosha<\/p>\n

    @Transactional
    public OrderInfo miaosha(MiaoshaUser user, GoodsVo goods) {
    \/\/\u51cf\u5e93\u5b58 \u4e0b\u8ba2\u5355 \u5199\u5165\u79d2\u6740\u8ba2\u5355
    goodsService.reduceStock(goods);
    \/\/order_info maiosha_order
    return orderService.createOrder(user, goods);
    }<\/p>\n

    GoodsService.java \u4e2d\uff0c\u4e0a\u6587\u7684 goodsService.reduceStock<\/p>\n

    public void reduceStock(GoodsVo goods) {
    MiaoshaGoods g = new MiaoshaGoods();
    g.setGoodsId(goods.getId());
    goodsDao.reduceStock(g);
    }<\/p>\n

    GoodsDao.java \u4e2d\uff0c\u4e0a\u6587\u7684 goodsDao.reduceStock
    @Update(“update miaosha_goods set stock_count = stock_count – 1 where goods_id = #{goodsId} and stock_count > 0”)
    public int reduceStock(MiaoshaGoods g); <\/p>\n

    OrderService \u4e0a\u4e0a\u4e0a\u6bb5\u4ee3\u7801\u6700\u540e\u4e00\u53e5\uff0c\u4e2d\u7684 orderService.createOrder<\/p>\n

    @Transactional
    public OrderInfo createOrder(MiaoshaUser user, GoodsVo goods) {
    OrderInfo orderInfo = new OrderInfo();
    orderInfo.setCreateDate(new Date());
    orderInfo.setDeliveryAddrId(0L);
    orderInfo.setGoodsCount(1);
    orderInfo.setGoodsId(goods.getId());
    orderInfo.setGoodsName(goods.getGoodsName());
    orderInfo.setGoodsPrice(goods.getMiaoshaPrice());
    orderInfo.setOrderChannel(1);
    orderInfo.setStatus(0);
    orderInfo.setUserId(user.getId());
    long orderId = orderDao.insert(orderInfo); <\/p>\n

    System.out.println();
    MiaoshaOrder miaoshaOrder = new MiaoshaOrder();
    miaoshaOrder.setGoodsId(goods.getId());
    miaoshaOrder.setOrderId(orderId);
    miaoshaOrder.setUserId(user.getId());
    orderDao.insertMiaoshaOrder(miaoshaOrder);<\/p>\n

    redisService.set(OrderKey.getMiaoshaOrderByUidGid, “”+user.getId()+”_”+goods.getId(), miaoshaOrder);<\/p>\n

    return orderInfo;
    }<\/p>\n

    \u6211\u89c9\u5f97\u8fd9\u4e24\u53e5\u8bdd\u867d\u7136\u5728\u4e00\u4e2a\u4e8b\u52a1\u91cc\uff0c\u4f46\u662f\u7b2c\u4e00\u53e5\u91cc\u7528\u4e86 where\uff0c\u867d\u7136\u5e93\u5b58\u5df2\u7ecf\u6ca1\u4e86\uff0c\u4f46\u662f\u6ca1\u6709\u62a5\u5f02\u5e38\uff0c\u5bfc\u81f4 return \u90a3\u53e5\u7684\u8ba2\u5355\u8fd8\u662f\u53ef\u4ee5\u751f\u6210\u3002
    \/\/\u51cf\u5e93\u5b58 \u4e0b\u8ba2\u5355 \u5199\u5165\u79d2\u6740\u8ba2\u5355
    goodsService.reduceStock(goods);
    \/\/order_info maiosha_order
    return orderService.createOrder(user, goods); <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : limuyan44 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4ece\u4ee3\u7801\u6765\u770b\uff0c\u51fa\u73b0\u4f60\u63d0\u95ee\u91cc\u7684\u60c5\u51b5\u662f\u6b63\u5e38\u7684\u73b0\u8c61\uff0c\u5bf9\u4e8e createorder \u7684\u9650\u5236\u53ea\u662f\u5728\u5165\u53e3\u7684 stock<=0\uff0c\u5e76\u53d1\u4e0b\u5fc5\u7136\u4f1a\u51fa\u73b0\u5e93\u5b58\u4e3a 0 \u4f46\u662f\u8ba2\u5355\u591a\u4e86\u7684\u60c5\u51b5\u3002\u4e0d\u8fc7\uff0c\u6211\u770b\u8fd9\u8bfe\u7a0b\u662f\u4ed8\u8d39\u7684\u800c\u4e14\u5b66\u4e60\u4eba\u6570\u4e5f\u4e0d\u5c11\u5e94\u8be5\u4e0d\u81f3\u4e8e\u51fa\u73b0\u8fd9\u79cd\u5e38\u8bc6\u6027\u7684\u9519\u8bef\uff0c\u4e0d\u77e5\u9053\u662f\u4e0d\u662f\u8001\u5e08\u7684\u6700\u7ec8\u4ee3\u7801\uff0c\u6309\u7406\u8bf4\u6b63\u5e38\u4e0a\u8bfe\u4f1a\u4e00\u70b9\u4e00\u70b9\u5e26\u7740\u5b66\u5458\u4fee\u6539\u5230\u6b63\u5e38\u903b\u8f91\u7684\u4ee3\u7801\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : cxshun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5176\u5b9e\u6700\u4e3b\u8981\u7684\u95ee\u9898\u5e94\u8be5\u662f reduceStock \u6ca1\u6709\u5224\u65ad\u8fd4\u56de\u7684\u6761\u6570\u5427\uff0c\u5982\u679c\u5224\u65ad\u4e00\u4e0b\u66f4\u65b0\u6761\u6570\u518d\u6267\u884c\u540e\u9762\u7684\u521b\u5efa\u8ba2\u5355\u5c31\u6ca1\u95ee\u9898\u4e86\u3002\u4f46\u8fd9\u79cd\u5efa\u8bae\u8fd8\u662f\u76f4\u63a5\u4e0a\u60b2\u89c2\u9501\u5427\uff0c\u4f9d\u8d56\u6570\u636e\u5e93\u7684\u4e50\u89c2\u9501\u603b\u662f\u4e0d\u73b0\u5b9e\u7684\uff0c\u5982\u679c\u5e76\u53d1\u91cf\u4e00\u5927\uff0c\u6297\u4e0d\u4f4f\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xiangyuecn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    select xx from xx for update <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : sagaxu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6240\u6709\u4ed8\u8d39\u7684\u7f16\u7a0b\u7f51\u8bfe\u90fd\u662f\u667a\u5546\u7a0e <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chwangtenger <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @limuyan44 \u8fd9\u5df2\u7ecf\u662f\u6700\u7ec8\u7684\u4ee3\u7801\u4e86\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chwangtenger <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u597d\u610f\u601d\u554a\u5404\u4f4d\uff0c\u540e\u9762\u4e00\u7ae0\u91cc\u9762\u8bf4\u5230\u4e4b\u524d\u8bb2\u9519\u4e86\uff0c\u540e\u6765\u6539\u6210\u4e86\u5224\u65ad\u4e00\u4e0b\u5f71\u54cd\u7684\u884c\u6570\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    mysql update \u5e93\u5b58\u89e3\u51b3…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/135760"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135760"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/135760\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135760"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}