{"id":201034,"date":"2025-05-06T12:16:47","date_gmt":"2025-05-06T04:16:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201034\/"},"modified":"2025-05-06T12:16:47","modified_gmt":"2025-05-06T04:16:47","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e9%94%81%e6%9c%ba%e5%88%b6%e5%a6%82%e4%bd%95%e5%8d%8f%e8%b0%83%e5%b9%b6%e5%8f%91%e5%88%a0%e9%99%a4%e7%bc%93%e5%ad%98%e5%92%8c%e6%9b%b4%e6%96%b0%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201034\/","title":{"rendered":"\u6570\u636e\u5e93\u9501\u673a\u5236\u5982\u4f55\u534f\u8c03\u5e76\u53d1\u5220\u9664\u7f13\u5b58\u548c\u66f4\u65b0\u6570\u636e\u5e93\u64cd\u4f5c\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u6570\u636e\u5e93\u9501\u673a\u5236\u5982\u4f55\u534f\u8c03\u5e76\u53d1\u5220\u9664\u7f13\u5b58\u548c\u66f4\u65b0\u6570\u636e\u5e93\u64cd\u4f5c\uff1f<\/h1>\n

\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u6570\u636e\u5e93\u9501\u673a\u5236\u5982\u4f55\u534f\u8c03\u5e76\u53d1\u5220\u9664\u7f13\u5b58\u548c\u66f4\u65b0\u6570\u636e\u5e93\u64cd\u4f5c\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n

<\/p>\n

\u6570\u636e\u5e93\u9501\u673a\u5236\u5256\u6790\uff1a\u65f6\u5e8f\u56fe\u7406\u89e3<\/strong><\/p>\n

\u5728\u6570\u636e\u5e93\u7684\u4e16\u754c\u4e2d\uff0c\u9501\u673a\u5236\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u7528\u4e8e\u534f\u8c03\u5e76\u53d1\u64cd\u4f5c\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002\u4e3a\u4e86\u66f4\u6df1\u5165\u5730\u7406\u89e3\u9501\u673a\u5236\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u7684\u8fd0\u4f5c\u65b9\u5f0f\uff0c\u8ba9\u6211\u4eec\u4ee5\u201c\u5148\u5220\u9664\u7f13\u5b58\uff0c\u518d\u66f4\u65b0\u6570\u636e\u5e93\u201d\u4e3a\u4f8b\uff0c\u901a\u8fc7\u65f6\u5e8f\u56fe\u6765\u89e3\u6790\u6570\u636e\u5e93\u9501\u7684\u5b9e\u9645\u5f71\u54cd\u3002<\/p>\n

\u5e76\u53d1\u65f6\u5e8f\u56fe\u5206\u6790<\/strong><\/p>\n

\u60a8\u7ed8\u5236\u7684\u65f6\u5e8f\u56fe\u6b63\u786e\u5730\u5c55\u793a\u4e86\u6570\u636e\u5e93\u9501\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u3002\u5f53\u4e00\u4e2a\u7ebf\u7a0b\u66f4\u65b0\u6570\u636e\u5e93\u8bb0\u5f55\u65f6\uff0c\u5b83\u4f1a\u83b7\u5f97\u5bf9\u8be5\u8bb0\u5f55\u7684\u4e92\u65a5\u9501\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5f53\u66f4\u65b0\u64cd\u4f5c\u6b63\u5728\u8fdb\u884c\u65f6\uff0c\u5176\u4ed6\u7ebf\u7a0b\u65e0\u6cd5\u5bf9\u8be5\u8bb0\u5f55\u8fdb\u884c\u4efb\u4f55\u4fee\u6539\u64cd\u4f5c\u3002<\/p>\n

\u4f46\u662f\uff0c\u65f6\u5e8f\u56fe\u4e5f\u8868\u660e\u4e86\u6570\u636e\u5e93\u8bfb\u64cd\u4f5c\u7684\u7279\u6b8a\u6027\u3002\u4e0e\u66f4\u65b0\u64cd\u4f5c\u4e0d\u540c\uff0c\u8bfb\u64cd\u4f5c\u901a\u5e38\u662f\u975e\u9501\u5b9a\u7684\uff0c\u4e5f\u79f0\u4e3a\u5feb\u7167\u8bfb\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5c3d\u7ba1\u4e00\u4e2a\u8bb0\u5f55\u88ab\u9501\u5b9a\u4e86\uff0c\u5176\u4ed6\u7ebf\u7a0b\u4ecd\u7136\u53ef\u4ee5\u8bfb\u53d6\u8be5\u8bb0\u5f55\u7684\u5f53\u524d\u503c\u3002\u8fd9\u662f\u901a\u8fc7 MySQL \u7684 MVCC\uff08\u591a\u7248\u672c\u5e76\u53d1\u63a7\u5236\uff09\u673a\u5236\u5b9e\u73b0\u7684\uff0c\u5b83\u5141\u8bb8\u6570\u636e\u5e93\u7ef4\u62a4\u591a\u4e2a\u8bb0\u5f55\u7248\u672c\uff0c\u4ece\u800c\u4f7f\u8bfb\u64cd\u4f5c\u4e0d\u53d7\u5199\u64cd\u4f5c\u7684\u5f71\u54cd\u3002<\/p>\n

\u65f6\u5e8f\u56fe\u89e3\u8bfb<\/strong><\/p>\n

\u57fa\u4e8e\u4e0a\u8ff0\u5206\u6790\uff0c\u53ef\u4ee5\u5bf9\u65f6\u5e8f\u56fe\u4e2d\u7684\u5e76\u53d1\u4e8b\u4ef6\u8fdb\u884c\u5982\u4e0b\u89e3\u8bfb\uff1a<\/p>\n

    \n
  1. \u7ebf\u7a0b 1 \u4ee5\u4e92\u65a5\u7684\u65b9\u5f0f\u9501\u5b9a\u8bb0\u5f55\u3002<\/li>\n
  2. \u7ebf\u7a0b 2 \u5c1d\u8bd5\u8bfb\u53d6\u8be5\u8bb0\u5f55\uff0c\u4f46\u7531\u4e8e\u9501\u7684\u5b58\u5728\uff0c\u5176\u8bfb\u64cd\u4f5c\u88ab\u963b\u585e\u3002<\/li>\n
  3. \u7ebf\u7a0b 1 \u5b8c\u6210\u66f4\u65b0\u64cd\u4f5c\uff0c\u91ca\u653e\u9501\u3002<\/li>\n
  4. \u7ebf\u7a0b 2 \u6062\u590d\u8bfb\u53d6\u64cd\u4f5c\uff0c\u8bfb\u53d6\u66f4\u65b0\u540e\u7684\u8bb0\u5f55\u503c\u3002<\/li>\n<\/ol>\n

    \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5f53\u4f7f\u7528 SELECT … FOR UPDATE \u8bed\u53e5\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u5b83\u5c06\u83b7\u5f97\u5bf9\u8bb0\u5f55\u7684\u6392\u4ed6\u9501\uff0c\u7c7b\u4f3c\u4e8e\u66f4\u65b0\u64cd\u4f5c\uff0c\u5176\u4ed6\u7ebf\u7a0b\u5c06\u65e0\u6cd5\u8bfb\u53d6\u6216\u66f4\u65b0\u8be5\u8bb0\u5f55\uff0c\u76f4\u5230\u9501\u91ca\u653e\u3002<\/p>\n

    \u603b\u4f53\u800c\u8a00\uff0c\u60a8\u7684\u65f6\u5e8f\u56fe\u51c6\u786e\u5730\u5c55\u793a\u4e86\u6570\u636e\u5e93\u9501\u673a\u5236\u5728\u5e76\u53d1\u5220\u9664\u7f13\u5b58\u548c\u66f4\u65b0\u6570\u636e\u5e93\u573a\u666f\u4e2d\u7684\u8fd0\u4f5c\u65b9\u5f0f\u3002\u5b83\u5f3a\u8c03\u4e86\u975e\u9501\u5b9a\u8bfb\u7684\u7279\u6027\uff0c\u4ee5\u53ca\u9501\u673a\u5236\u5982\u4f55\u534f\u8c03\u66f4\u65b0\u548c\u8bfb\u53d6\u64cd\u4f5c\u6765\u7ef4\u62a4\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/p>\n

    \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u6570\u636e\u5e93\u9501\u673a\u5236\u5982\u4f55\u534f\u8c03\u5e76\u53d1\u5220\u9664\u7f13\u5b58\u548c\u66f4\u65b0\u6570\u636e\u5e93\u64cd\u4f5c\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u5427\uff01<\/p>\n

    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

    \u6570\u636e\u5e93\u9501\u673a\u5236\u5982\u4f55\u534f\u8c03\u5e76\u53d1\u5220\u9664\u7f13\u5b58...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201034","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201034"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201034\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}