{"id":76256,"date":"2024-10-16T05:09:14","date_gmt":"2024-10-15T21:09:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76256\/"},"modified":"2024-10-16T05:09:14","modified_gmt":"2024-10-15T21:09:14","slug":"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8rollback%e8%aa%9e%e5%8f%a5%e5%9b%9e%e6%bb%be%e8%87%aa%e4%b8%8a%e6%ac%a1%e6%8f%90%e4%ba%a4%e4%bb%a5%e4%be%86%e7%9a%84%e6%9b%b4%e6%94%b9%e3%80%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76256\/","title":{"rendered":"MySQL\u5165\u9580\uff1a\u4f7f\u7528ROLLBACK\u8a9e\u53e5\u56de\u6efe\u81ea\u4e0a\u6b21\u63d0\u4ea4\u4ee5\u4f86\u7684\u66f4\u6539\u3002"},"content":{"rendered":"<h1 id=\"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8rollback%e8%aa%9e%e5%8f%a5%e5%9b%9e%e6%bb%be%e8%87%aa%e4%b8%8a%e6%ac%a1%e6%8f%90%e4%ba%a4%e4%bb%a5%e4%be%86%e7%9a%84%e6%9b%b4%e6%94%b9-XDUWxHyJNx\">MySQL\u5165\u9580\uff1a\u4f7f\u7528ROLLBACK\u8a9e\u53e5\u56de\u6efe\u81ea\u4e0a\u6b21\u63d0\u4ea4\u4ee5\u4f86\u7684\u66f4\u6539<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002\u5176\u4e2d\uff0c<code>ROLLBACK<\/code>\u8a9e\u53e5\u662f\u4e00\u500b\u91cd\u8981\u7684\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u64a4\u92b7\u81ea\u4e0a\u6b21\u63d0\u4ea4\u4ee5\u4f86\u7684\u6240\u6709\u66f4\u6539\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e<code>ROLLBACK<\/code>\u8a9e\u53e5\u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afrollback%e8%aa%9e%e5%8f%a5%ef%bc%9f-XDUWxHyJNx\">\u4ec0\u9ebc\u662fROLLBACK\u8a9e\u53e5\uff1f<\/h2>\n<p><code>ROLLBACK<\/code>\u8a9e\u53e5\u7528\u65bc\u64a4\u92b7\u5728\u7576\u524d\u4e8b\u52d9\u4e2d\u6240\u505a\u7684\u6240\u6709\u66f4\u6539\u3002\u7576\u4e00\u500b\u4e8b\u52d9\u958b\u59cb\u6642\uff0c\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u6703\u88ab\u66ab\u6642\u4fdd\u5b58\uff0c\u76f4\u5230\u7528\u6236\u9078\u64c7\u63d0\u4ea4\uff08<code>COMMIT<\/code>\uff09\u6216\u56de\u6efe\uff08<code>ROLLBACK<\/code>\uff09\u3002\u9019\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u5728\u767c\u751f\u932f\u8aa4\u6216\u4e0d\u5e0c\u671b\u7684\u60c5\u6cc1\u4e0b\uff0c\u6062\u5fa9\u5230\u4e8b\u52d9\u958b\u59cb\u4e4b\u524d\u7684\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-XDUWxHyJNx\">\u4e8b\u52d9\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u4f7f\u7528<code>ROLLBACK<\/code>\u4e4b\u524d\uff0c\u4e86\u89e3\u4e8b\u52d9\u7684\u57fa\u672c\u6982\u5ff5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4e8b\u52d9\u662f\u4e00\u7d44\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002MySQL\u652f\u6301\u7684\u4e8b\u52d9\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u539f\u5b50\u6027\uff08Atomicity\uff09<\/strong>\uff1a\u4e8b\u52d9\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u57f7\u884c\uff0c\u8981\u9ebc\u5168\u90e8\u4e0d\u57f7\u884c\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff08Consistency\uff09<\/strong>\uff1a\u4e8b\u52d9\u7684\u57f7\u884c\u5fc5\u9808\u4f7f\u6578\u64da\u5eab\u5f9e\u4e00\u500b\u4e00\u81f4\u7684\u72c0\u614b\u8f49\u8b8a\u5230\u53e6\u4e00\u500b\u4e00\u81f4\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u9694\u96e2\u6027\uff08Isolation\uff09<\/strong>\uff1a\u4e8b\u52d9\u7684\u57f7\u884c\u4e0d\u61c9\u53d7\u5230\u5176\u4ed6\u4e8b\u52d9\u7684\u5f71\u97ff\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff08Durability\uff09<\/strong>\uff1a\u4e00\u65e6\u4e8b\u52d9\u63d0\u4ea4\uff0c\u5176\u7d50\u679c\u662f\u6c38\u4e45\u6027\u7684\uff0c\u5373\u4f7f\u7cfb\u7d71\u5d29\u6f70\u4e5f\u4e0d\u6703\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8rollback%e8%aa%9e%e5%8f%a5-XDUWxHyJNx\">\u5982\u4f55\u4f7f\u7528ROLLBACK\u8a9e\u53e5<\/h2>\n<p>\u4f7f\u7528<code>ROLLBACK<\/code>\u8a9e\u53e5\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>START TRANSACTION;  -- \u958b\u59cb\u4e8b\u52d9\nUPDATE users SET balance = balance - 100 WHERE user_id = 1;  -- \u66f4\u65b0\u64cd\u4f5c\nUPDATE users SET balance = balance + 100 WHERE user_id = 2;  -- \u66f4\u65b0\u64cd\u4f5c\n\n-- \u5047\u8a2d\u5728\u9019\u88e1\u767c\u751f\u4e86\u932f\u8aa4\nROLLBACK;  -- \u56de\u6efe\u6240\u6709\u66f4\u6539\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u7576\u4e8b\u52d9\u958b\u59cb\u5f8c\uff0c\u5169\u500b\u7528\u6236\u7684\u9918\u984d\u88ab\u66f4\u65b0\u3002\u5982\u679c\u5728\u9019\u500b\u904e\u7a0b\u4e2d\u767c\u751f\u4e86\u932f\u8aa4\uff0c\u4f7f\u7528<code>ROLLBACK<\/code>\u8a9e\u53e5\u53ef\u4ee5\u64a4\u92b7\u9019\u4e9b\u66f4\u6539\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"rollback%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-XDUWxHyJNx\">ROLLBACK\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684<code>ROLLBACK<\/code>\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u932f\u8aa4<\/strong>\uff1a\u7576\u7528\u6236\u8f38\u5165\u932f\u8aa4\u7684\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528<code>ROLLBACK<\/code>\u4f86\u64a4\u92b7\u9019\u4e9b\u4e0d\u6b63\u78ba\u7684\u66f4\u6539\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u6545\u969c<\/strong>\uff1a\u5728\u7cfb\u7d71\u5d29\u6f70\u6216\u6545\u969c\u7684\u60c5\u6cc1\u4e0b\uff0c<code>ROLLBACK<\/code>\u53ef\u4ee5\u5e6b\u52a9\u6062\u5fa9\u5230\u5b89\u5168\u72c0\u614b\u3002<\/li>\n<li><strong>\u696d\u52d9\u908f\u8f2f\u932f\u8aa4<\/strong>\uff1a\u5982\u679c\u5728\u57f7\u884c\u4e00\u7cfb\u5217\u64cd\u4f5c\u6642\u767c\u73fe\u696d\u52d9\u908f\u8f2f\u932f\u8aa4\uff0c\u53ef\u4ee5\u9078\u64c7\u56de\u6efe\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u640d\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-XDUWxHyJNx\">\u7d50\u8ad6<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c<code>ROLLBACK<\/code>\u8a9e\u53e5\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5728\u767c\u751f\u932f\u8aa4\u6642\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528\u4e8b\u52d9\u548c<code>ROLLBACK<\/code>\uff0c\u7528\u6236\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\u5c07\u662f\u975e\u5e38\u6709\u5e6b\u52a9\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u53ca\u5176\u4ed6\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528ROLLBACK\u8a9e\u53e5\uff0c\u8f15\u9b06\u56de\u6efe\u81ea\u4e0a\u6b21\u63d0\u4ea4\u4ee5\u4f86\u7684\u66f4\u6539\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u8207\u5b8c\u6574\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76256","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76256","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76256"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76256\/revisions"}],"predecessor-version":[{"id":76257,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76256\/revisions\/76257"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}