{"id":199628,"date":"2025-05-06T09:26:15","date_gmt":"2025-05-06T01:26:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199628\/"},"modified":"2025-05-06T09:26:15","modified_gmt":"2025-05-06T01:26:15","slug":"mysql-%e5%b9%b6%e5%8f%91%e6%8e%a7%e5%88%b6%e7%ad%96%e7%95%a5%e4%b8%ad%e7%9a%84%e9%94%81%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199628\/","title":{"rendered":"MySQL \u5e76\u53d1\u63a7\u5236\u7b56\u7565\u4e2d\u7684\u9501\u673a\u5236"},"content":{"rendered":"

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

MySQL \u5e76\u53d1\u63a7\u5236\u7b56\u7565\u4e2d\u7684\u9501\u673a\u5236<\/h1>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

MySQL \u9501\u7684\u5e76\u53d1\u63a7\u5236\u7b56\u7565<\/p>\n

\u5f15\u8a00\uff1a
\u5728\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u9700\u8981\u5bf9\u5e76\u53d1\u64cd\u4f5c\u8fdb\u884c\u63a7\u5236\u3002\u800c\u9501\u673a\u5236\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5e76\u53d1\u63a7\u5236\u7b56\u7565\u3002MySQL\u4f5c\u4e3a\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u4e5f\u62e5\u6709\u81ea\u5df1\u7684\u9501\u673a\u5236\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u6765\u8be6\u7ec6\u4e86\u89e3MySQL\u9501\u7684\u5e76\u53d1\u63a7\u5236\u7b56\u7565\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001MySQL\u9501\u6982\u8ff0\uff1a
MySQL \u63d0\u4f9b\u4e86\u591a\u79cd\u7c7b\u578b\u7684\u9501\uff0c\u5e38\u7528\u7684\u6709\u884c\u9501\uff08Record Locks\uff09\u3001\u8868\u9501\uff08Table Locks\uff09\u548c\u4e50\u89c2\u9501\uff08Optimistic Locks\uff09\u3002
\u884c\u9501\u662fMySQL\u9ed8\u8ba4\u7684\u9501\u673a\u5236\uff0c\u5728\u4e8b\u52a1\u4e2d\u9700\u8981\u5bf9\u884c\u6570\u636e\u8fdb\u884c\u66f4\u65b0\u6216\u5220\u9664\u65f6\uff0c\u4f1a\u5c06\u8be5\u884c\u6570\u636e\u52a0\u4e0a\u9501\uff0c\u5176\u4ed6\u4e8b\u52a1\u9700\u8981\u5bf9\u8fd9\u4e00\u884c\u6570\u636e\u64cd\u4f5c\u65f6\uff0c\u5fc5\u987b\u7b49\u5f85\u9501\u88ab\u91ca\u653e\u3002
\u8868\u9501\u662fMySQL\u8f83\u4f4e\u7ea7\u522b\u7684\u9501\u673a\u5236\uff0c\u5b83\u9501\u4f4f\u6574\u4e2a\u8868\uff0c\u5f53\u4e00\u4e2a\u4e8b\u52a1\u5bf9\u8868\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u5176\u4ed6\u4e8b\u52a1\u65e0\u6cd5\u5bf9\u8fd9\u4e2a\u8868\u8fdb\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u5373\u4f7f\u8fd9\u4e9b\u64cd\u4f5c\u5e76\u4e0d\u51b2\u7a81\u3002
\u4e50\u89c2\u9501\u662f\u4e00\u79cd\u4e0e\u6570\u636e\u5e93\u4e2d\u7684\u9501\u673a\u5236\u65e0\u5173\u7684\u5e76\u53d1\u63a7\u5236\u7b56\u7565\uff0c\u5b83\u901a\u8fc7\u5728\u8fdb\u884c\u5199\u64cd\u4f5c\u524d\uff0c\u68c0\u67e5\u6570\u636e\u662f\u5426\u88ab\u5176\u4ed6\u4e8b\u52a1\u4fee\u6539\uff0c\u6765\u907f\u514d\u810f\u5199\u7684\u95ee\u9898\u3002<\/p>\n

\u4e8c\u3001MySQL\u884c\u9501\uff1a
MySQL\u4e2d\u7684\u884c\u9501\u662f\u4e00\u79cd\u7ec6\u7c92\u5ea6\u7684\u9501\u63a7\u5236\uff0c\u5b83\u53ea\u9501\u4f4f\u9700\u8981\u4fee\u6539\u7684\u884c\uff0c\u800c\u4e0d\u662f\u6574\u4e2a\u8868\u3002\u884c\u9501\u7684\u5b9e\u73b0\u57fa\u4e8e\u4e24\u9636\u6bb5\u9501\u534f\u8bae\uff0c\u5373\uff1a\u4e8b\u52a1\u5f00\u59cb\u65f6\uff0c\u5728\u9700\u8981\u4fee\u6539\u7684\u884c\u4e0a\u52a0\u9501\uff1b\u5728\u4e8b\u52a1\u63d0\u4ea4\u65f6\uff0c\u91ca\u653e\u9501\u3002
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u884c\u9501\u7684\u5177\u4f53\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

-- \u521b\u5efa\u6d4b\u8bd5\u8868\nCREATE TABLE test (\n    id INT PRIMARY KEY,\n    value INT\n);\n\n-- \u5f00\u542f\u4e8b\u52a1\nSTART TRANSACTION;\n\n-- \u67e5\u8be2\u5e76\u9501\u5b9a\u884c\nSELECT * FROM test WHERE id = 1 FOR UPDATE;\n\n-- \u4fee\u6539\u884c\u6570\u636e\nUPDATE test SET value = 10 WHERE id = 1;\n\n-- \u63d0\u4ea4\u4e8b\u52a1\nCOMMIT;<\/pre>\n
\u4e09\u3001MySQL\u8868\u9501\uff1a
\u5f53\u9700\u8981\u5bf9\u6574\u4e2a\u8868\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8868\u9501\u6765\u8fdb\u884c\u5e76\u53d1\u63a7\u5236\u3002\u8868\u9501\u662f\u4e00\u79cd\u8f83\u7c97\u7c92\u5ea6\u7684\u9501\u63a7\u5236\uff0c\u5b83\u9501\u4f4f\u6574\u4e2a\u8868\u800c\u4e0d\u662f\u884c\u6570\u636e\u3002\u4f7f\u7528\u8868\u9501\u4f1a\u5bf9\u5176\u4ed6\u4e8b\u52a1\u4ea7\u751f\u8f83\u5927\u7684\u963b\u585e\uff0c\u56e0\u6b64\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u8981\u614e\u91cd\u4f7f\u7528\u8868\u9501\u3002
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u8868\u9501\u7684\u5177\u4f53\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
-- \u521b\u5efa\u6d4b\u8bd5\u8868\nCREATE TABLE test (\n    id INT PRIMARY KEY,\n    value INT\n);\n\n-- \u5f00\u542f\u4e8b\u52a1\nSTART TRANSACTION;\n\n-- \u9501\u5b9a\u8868\nLOCK TABLES test WRITE;\n\n-- \u4fee\u6539\u8868\u6570\u636e\nUPDATE test SET value = 10;\n\n-- \u89e3\u9501\u8868\nUNLOCK TABLES;\n\n-- \u63d0\u4ea4\u4e8b\u52a1\nCOMMIT;<\/pre>\n
\u56db\u3001MySQL\u4e50\u89c2\u9501\uff1a
MySQL\u4e2d\u7684\u4e50\u89c2\u9501\u662f\u4e00\u79cd\u901a\u8fc7\u7248\u672c\u53f7\u6765\u5b9e\u73b0\u7684\u5e76\u53d1\u63a7\u5236\u7b56\u7565\u3002\u6bcf\u4e2a\u6570\u636e\u884c\u90fd\u6709\u4e00\u4e2a\u7248\u672c\u53f7\uff0c\u5f53\u4e00\u4e2a\u4e8b\u52a1\u8bfb\u53d6\u5230\u6570\u636e\u65f6\uff0c\u5c06\u4f1a\u4fdd\u5b58\u5f53\u524d\u7684\u7248\u672c\u53f7\uff0c\u5e76\u5728\u63d0\u4ea4\u524d\u68c0\u67e5\u5176\u7248\u672c\u53f7\u662f\u5426\u5df2\u7ecf\u88ab\u5176\u4ed6\u4e8b\u52a1\u4fee\u6539\u3002\u5982\u679c\u7248\u672c\u53f7\u76f8\u540c\uff0c\u5219\u53ef\u4ee5\u63d0\u4ea4\uff1b\u5982\u679c\u7248\u672c\u53f7\u4e0d\u540c\uff0c\u5219\u8868\u793a\u6570\u636e\u5df2\u88ab\u5176\u4ed6\u4e8b\u52a1\u4fee\u6539\uff0c\u9700\u8981\u56de\u6eda\u5e76\u91cd\u65b0\u8bfb\u53d6\u540e\u518d\u6b21\u5c1d\u8bd5\u64cd\u4f5c\u3002
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u4e50\u89c2\u9501\u7684\u5177\u4f53\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
-- \u521b\u5efa\u6d4b\u8bd5\u8868\nCREATE TABLE test (\n    id INT PRIMARY KEY,\n    value INT,\n    version INT\n);\n\n-- \u5f00\u542f\u4e8b\u52a1\nSTART TRANSACTION;\n\n-- \u67e5\u8be2\u5e76\u83b7\u53d6\u5f53\u524d\u7248\u672c\u53f7\nSELECT version INTO @old_version FROM test WHERE id = 1;\n\n-- \u66f4\u65b0\u6570\u636e\nUPDATE test SET value = 10, version = version + 1 WHERE id = 1 AND version = @old_version;\n\n-- \u68c0\u67e5\u66f4\u65b0\u7ed3\u679c\nIF ROW_COUNT() = 1 THEN\n    COMMIT;\nELSE\n    ROLLBACK;\nEND IF;<\/pre>\n
\u7ed3\u8bba\uff1a
MySQL\u63d0\u4f9b\u4e86\u591a\u79cd\u9501\u673a\u5236\u6765\u5b9e\u73b0\u5e76\u53d1\u63a7\u5236\uff0c\u5176\u4e2d\u884c\u9501\u662f\u6700\u5e38\u7528\u7684\u9501\u7c7b\u578b\u3002\u5728\u4f7f\u7528\u9501\u673a\u5236\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u9501\u673a\u5236\uff0c\u4ee5\u63d0\u9ad8\u6570\u636e\u7684\u5e76\u53d1\u64cd\u4f5c\u6548\u7387\u548c\u6b63\u786e\u6027\u3002<\/p>\n
\u53c2\u8003\u8d44\u6599\uff1a<\/p>\n
    \n
  1. MySQL Documentation: https:\/\/dev.mysql.com\/doc\/<\/li>\n
  2. MySQL Tutorial: https:\/\/www.mysqltutorial.org\/<\/li>\n
  3. MySQL\u9501\u7684\u5b9e\u73b0\uff1a\u884c\u9501\u548c\u8868\u9501\uff1ahttps:\/\/mp.weixin.qq.com\/s\/RLt1LpEBSOsGn7opxSopBA<\/li>\n
  4. MySQL\u7684\u4e50\u89c2\u9501\u5b9e\u73b0\u65b9\u5f0f\u53ca\u4f7f\u7528\u573a\u666f\u5206\u6790\uff1ahttps:\/\/blog.csdn.net\/qq_38229163\/article\/details\/80452138<\/li>\n<\/ol>\n
    \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aMySQL \u5e76\u53d1\u63a7\u5236\u7b56\u7565\u4e2d\u7684\u9501\u673a\u5236\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9501 \u5e76\u53d1 \u7b56\u7565\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n
    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    MySQL \u5e76\u53d1\u63a7\u5236\u7b56\u7565\u4e2d\u7684\u9501\u673a...<\/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-199628","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199628","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=199628"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199628\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}