{"id":199741,"date":"2025-05-06T10:53:47","date_gmt":"2025-05-06T02:53:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199741\/"},"modified":"2025-05-06T10:53:47","modified_gmt":"2025-05-06T02:53:47","slug":"%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%ef%bc%9a%e4%bd%95%e6%97%b6%e5%ba%94%e8%af%a5%e4%bd%bf%e7%94%a8mysql%e4%ba%8b%e5%8a%a1%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199741\/","title":{"rendered":"\u6700\u4f73\u5b9e\u8df5\uff1a\u4f55\u65f6\u5e94\u8be5\u4f7f\u7528MySQL\u4e8b\u52a1\uff1f"},"content":{"rendered":"

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

\u6700\u4f73\u5b9e\u8df5\uff1a\u4f55\u65f6\u5e94\u8be5\u4f7f\u7528MySQL\u4e8b\u52a1\uff1f<\/h1>\n

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n

MySQL\u4e8b\u52a1\u8be6\u89e3\uff1a\u4f55\u65f6\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u4e8b\u52a1\uff1f<\/p>\n

\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\uff0c\u4e8b\u52a1\u662f\u4e00\u7ec4\u88ab\u89c6\u4e3a\u4e00\u4e2a\u5355\u72ec\u5355\u5143\u7684\u64cd\u4f5c\uff0c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002MySQL\u652f\u6301\u4e8b\u52a1\uff0c\u901a\u8fc7\u4f7f\u7528\u4e8b\u52a1\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002\u90a3\u4e48\u4f55\u65f6\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u4e8b\u52a1\u5462\uff1f\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdMySQL\u4e8b\u52a1\u7684\u6982\u5ff5\u548c\u4f7f\u7528\u573a\u666f\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4ec0\u4e48\u662f\u4e8b\u52a1\uff1f<\/h3>\n

\u4e8b\u52a1\u662f\u6307\u4e00\u7ec4\u64cd\u4f5c\u88ab\u89c6\u4e3a\u4e00\u4e2a\u5355\u72ec\u5355\u5143\uff0c\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002\u5728MySQL\u4e2d\uff0c\u4e8b\u52a1\u901a\u8fc7\u4ee5\u4e0b\u56db\u4e2a\u5173\u952e\u5b57\u6765\u5b9e\u73b0\uff1aBEGIN<\/code>\uff08\u5f00\u59cb\u4e8b\u52a1\uff09\u3001COMMIT<\/code>\uff08\u63d0\u4ea4\u4e8b\u52a1\uff09\u3001ROLLBACK<\/code>\uff08\u56de\u6eda\u4e8b\u52a1\uff09\u548cSAVEPOINT<\/code>\uff08\u8bbe\u7f6e\u4fdd\u5b58\u70b9\uff09\u3002\u901a\u8fc7\u4e8b\u52a1\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n

\u4f55\u65f6\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u4e8b\u52a1\uff1f<\/h3>\n
    \n
  1. \u5728\u9700\u8981\u4e00\u81f4\u6027\u7684\u64cd\u4f5c\u4e2d\uff1a<\/strong><\/li>\n<\/ol>\n

    \u5f53\u591a\u4e2a\u64cd\u4f5c\u9700\u8981\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u6765\u6267\u884c\uff0c\u4e14\u8981\u6c42\u6240\u6709\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u65f6\uff0c\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u4e8b\u52a1\u3002\u4f8b\u5982\uff0c\u8f6c\u8d26\u64cd\u4f5c\u4e2d\u9700\u8981\u540c\u65f6\u6263\u9664\u8f6c\u51fa\u8d26\u6237\u7684\u91d1\u989d\u5e76\u589e\u52a0\u8f6c\u5165\u8d26\u6237\u7684\u91d1\u989d\uff0c\u8fd9\u4e24\u4e2a\u64cd\u4f5c\u5fc5\u987b\u540c\u65f6\u6210\u529f\u6216\u540c\u65f6\u5931\u8d25\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n

      \n
    1. \u5728\u9700\u8981\u539f\u5b50\u6027\u7684\u64cd\u4f5c\u4e2d\uff1a<\/strong><\/li>\n<\/ol>\n

      \u539f\u5b50\u6027\u662f\u6307\u4e8b\u52a1\u4e2d\u7684\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002\u5982\u679c\u4e00\u4e2a\u64cd\u4f5c\u5931\u8d25\uff0c\u6574\u4e2a\u4e8b\u52a1\u90fd\u4f1a\u88ab\u56de\u6eda\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u7684\u5b8c\u6574\u6027\u3002\u539f\u5b50\u6027\u53ef\u4ee5\u907f\u514d\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u53d1\u751f\u3002<\/p>\n

        \n
      1. \u5728\u9700\u8981\u9694\u79bb\u6027\u7684\u64cd\u4f5c\u4e2d\uff1a<\/strong><\/li>\n<\/ol>\n

        \u4e8b\u52a1\u7684\u9694\u79bb\u6027\u786e\u4fdd\u4e86\u5404\u4e2a\u4e8b\u52a1\u4e4b\u95f4\u7684\u72ec\u7acb\u6027\uff0c\u907f\u514d\u4e86\u5e76\u53d1\u64cd\u4f5c\u65f6\u7684\u6570\u636e\u6df7\u4e71\u3002\u5f53\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u5e93\u64cd\u4f5c\u4e4b\u95f4\u76f8\u4e92\u72ec\u7acb\uff0c\u4e0d\u4f1a\u76f8\u4e92\u5f71\u54cd\u65f6\uff0c\u5e94\u8003\u8651\u4f7f\u7528\u4e8b\u52a1\u3002<\/p>\n

        \u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n

        \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528\u4e8b\u52a1\u6765\u786e\u4fdd\u8f6c\u8d26\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u548c\u4e00\u81f4\u6027\uff1a<\/p>\n

        -- \u5f00\u59cb\u4e8b\u52a1\nBEGIN;\n\n-- \u8bbe\u7f6e\u4fdd\u5b58\u70b9\nSAVEPOINT before_transfer;\n\n-- \u6263\u9664\u8f6c\u51fa\u8d26\u6237\u91d1\u989d\nUPDATE account SET balance = balance - 100 WHERE account_id = 1;\n\n-- \u589e\u52a0\u8f6c\u5165\u8d26\u6237\u91d1\u989d\nUPDATE account SET balance = balance + 100 WHERE account_id = 2;\n\n-- \u6a21\u62df\u8f6c\u8d26\u64cd\u4f5c\u662f\u5426\u6210\u529f\nDECLARE transfer_success BOOLEAN DEFAULT FALSE;\nSET transfer_success = TRUE; -- \u5047\u8bbe\u8f6c\u8d26\u6210\u529f\n\n-- \u5224\u65ad\u8f6c\u8d26\u64cd\u4f5c\u662f\u5426\u6210\u529f\nIF transfer_success THEN\n    -- \u63d0\u4ea4\u4e8b\u52a1\n    COMMIT;\nELSE\n    -- \u56de\u6eda\u4e8b\u52a1\u5230\u4fdd\u5b58\u70b9\n    ROLLBACK TO before_transfer;\nEND IF;<\/pre>\n
        \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528\u4e8b\u52a1\u5e76\u8bbe\u7f6e\u4fdd\u5b58\u70b9\uff0c\u5728\u8f6c\u8d26\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u786e\u4fdd\u8f6c\u8d26\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u548c\u4e00\u81f4\u6027\uff0c\u5982\u679c\u8f6c\u8d26\u5931\u8d25\uff0c\u5219\u56de\u6eda\u5230\u4fdd\u5b58\u70b9\uff0c\u4fdd\u6301\u6570\u636e\u5e93\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
        \u603b\u4e4b\uff0c\u5f53\u6d89\u53ca\u5230\u9700\u8981\u4e00\u81f4\u6027\u3001\u539f\u5b50\u6027\u548c\u9694\u79bb\u6027\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u65f6\uff0c\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u4e8b\u52a1\u6765\u786e\u4fdd\u6570\u636e\u64cd\u4f5c\u7684\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u3002MySQL\u7684\u4e8b\u52a1\u673a\u5236\u80fd\u591f\u6709\u6548\u5730\u5904\u7406\u8fd9\u4e9b\u9700\u6c42\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n
        \u6587\u4e2d\u5173\u4e8emysql,\u4f7f\u7528,\u4e8b\u52a1\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u6700\u4f73\u5b9e\u8df5\uff1a\u4f55\u65f6\u5e94\u8be5\u4f7f\u7528MySQL\u4e8b\u52a1\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
        \n
        \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u6700\u4f73\u5b9e\u8df5\uff1a\u4f55\u65f6\u5e94\u8be5\u4f7f\u7528MySQL...<\/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-199741","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199741","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=199741"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199741\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}