{"id":79626,"date":"2024-10-16T13:20:19","date_gmt":"2024-10-16T05:20:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79626\/"},"modified":"2024-10-16T13:20:19","modified_gmt":"2024-10-16T05:20:19","slug":"mysql%e6%8c%87%e4%bb%a4-rollback%ef%bc%88%e5%9b%9e%e6%bb%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79626\/","title":{"rendered":"MySQL\u6307\u4ee4: ROLLBACK\uff08\u56de\u6efe\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-rollback%ef%bc%88%e5%9b%9e%e6%bb%be%ef%bc%89-fYNEjkZlWS\">MySQL\u6307\u4ee4: ROLLBACK\uff08\u56de\u6efe\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u6307\u4ee4\u4f86\u7ba1\u7406\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662fROLLBACK\uff08\u56de\u6efe\uff09\u6307\u4ee4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eROLLBACK\u7684\u529f\u80fd\u3001\u4f7f\u7528\u60c5\u5883\u53ca\u5176\u5728\u8cc7\u6599\u5eab\u64cd\u4f5c\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afrollback%ef%bc%9f-fYNEjkZlWS\">\u4ec0\u9ebc\u662fROLLBACK\uff1f<\/h2>\n<p>ROLLBACK\u662f\u4e00\u500b\u7528\u65bc\u64a4\u92b7\u672a\u63d0\u4ea4\u7684\u4ea4\u6613\u7684\u6307\u4ee4\u3002\u7576\u4e00\u500b\u4ea4\u6613\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u767c\u751f\u932f\u8aa4\u6216\u9700\u8981\u4e2d\u6b62\u6642\uff0cROLLBACK\u53ef\u4ee5\u5c07\u8cc7\u6599\u5eab\u6062\u5fa9\u5230\u4ea4\u6613\u958b\u59cb\u4e4b\u524d\u7684\u72c0\u614b\u3002\u9019\u5c0d\u65bc\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e4%ba%a4%e6%98%93%e7%9a%84%e6%a6%82%e5%bf%b5-fYNEjkZlWS\">\u4ea4\u6613\u7684\u6982\u5ff5<\/h2>\n<p>\u5728\u4e86\u89e3ROLLBACK\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u7406\u89e3\u4ea4\u6613\u7684\u6982\u5ff5\u3002\u4ea4\u6613\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\u4f7f\u7528ACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u3001\u6301\u4e45\u6027\uff09\u539f\u5247\u4f86\u78ba\u4fdd\u4ea4\u6613\u7684\u53ef\u9760\u6027\u3002<\/p>\n<ul>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>\u4ea4\u6613\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\uff1a<\/strong>\u4ea4\u6613\u5fc5\u9808\u4f7f\u8cc7\u6599\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\uff1a<\/strong>\u540c\u6642\u57f7\u884c\u7684\u4ea4\u6613\u4e0d\u61c9\u4e92\u76f8\u5f71\u97ff\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff1a<\/strong>\u4e00\u65e6\u4ea4\u6613\u63d0\u4ea4\uff0c\u5c0d\u8cc7\u6599\u7684\u66f4\u6539\u5c07\u6c38\u4e45\u4fdd\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"rollback%e7%9a%84%e4%bd%bf%e7%94%a8%e6%83%85%e5%a2%83-fYNEjkZlWS\">ROLLBACK\u7684\u4f7f\u7528\u60c5\u5883<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0cROLLBACK\u901a\u5e38\u7528\u65bc\u4ee5\u4e0b\u60c5\u5883\uff1a<\/p>\n<ul>\n<li>\u7576\u57f7\u884c\u4e00\u7cfb\u5217\u8cc7\u6599\u66f4\u65b0\u6642\uff0c\u5982\u679c\u5176\u4e2d\u4e00\u500b\u64cd\u4f5c\u5931\u6557\uff0c\u5247\u9700\u8981\u56de\u6efe\u6240\u6709\u64cd\u4f5c\u4ee5\u4fdd\u6301\u8cc7\u6599\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u5728\u9032\u884c\u6279\u91cf\u8cc7\u6599\u63d2\u5165\u6216\u66f4\u65b0\u6642\uff0c\u82e5\u767c\u73fe\u8cc7\u6599\u4e0d\u7b26\u5408\u8981\u6c42\uff0c\u53ef\u4ee5\u4f7f\u7528ROLLBACK\u64a4\u92b7\u6240\u6709\u8b8a\u66f4\u3002<\/li>\n<li>\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528ROLLBACK\u4f86\u6aa2\u67e5\u4e0d\u540c\u64cd\u4f5c\u7684\u5f71\u97ff\uff0c\u800c\u4e0d\u6703\u6c38\u4e45\u6539\u8b8a\u8cc7\u6599\u5eab\u7684\u72c0\u614b\u3002<\/li>\n<\/ul>\n<h2 id=\"rollback%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-fYNEjkZlWS\">ROLLBACK\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>ROLLBACK\u7684\u57fa\u672c\u8a9e\u6cd5\u975e\u5e38\u7c21\u55ae\uff0c\u901a\u5e38\u5728\u4e00\u500b\u4ea4\u6613\u4e2d\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>START TRANSACTION;  -- \u958b\u59cb\u4ea4\u6613\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\u4ea4\u6613\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u7576\u7b2c\u4e8c\u500b\u66f4\u65b0\u64cd\u4f5c\u767c\u751f\u932f\u8aa4\u6642\uff0c\u4f7f\u7528ROLLBACK\u6307\u4ee4\u53ef\u4ee5\u64a4\u92b7\u6240\u6709\u7684\u8b8a\u66f4\uff0c\u5c07\u8cc7\u6599\u5eab\u6062\u5fa9\u5230\u4ea4\u6613\u958b\u59cb\u4e4b\u524d\u7684\u72c0\u614b\u3002<\/p>\n<h2 id=\"rollback%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-fYNEjkZlWS\">ROLLBACK\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u4f7f\u7528ROLLBACK\u6642\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>ROLLBACK\u53ea\u80fd\u64a4\u92b7\u672a\u63d0\u4ea4\u7684\u4ea4\u6613\uff0c\u5df2\u63d0\u4ea4\u7684\u4ea4\u6613\u7121\u6cd5\u56de\u6efe\u3002<\/li>\n<li>\u5728\u4f7f\u7528ROLLBACK\u4e4b\u524d\uff0c\u5fc5\u9808\u78ba\u4fdd\u5df2\u7d93\u555f\u52d5\u4e86\u4ea4\u6613\uff08\u4f7f\u7528START TRANSACTION\uff09\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cROLLBACK\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6599\u5eab\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fYNEjkZlWS\">\u7e3d\u7d50<\/h2>\n<p>ROLLBACK\u6307\u4ee4\u5728MySQL\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u900f\u904e\u6b63\u78ba\u4f7f\u7528ROLLBACK\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u9762\u5c0d\u932f\u8aa4\u6216\u7570\u5e38\u60c5\u6cc1\u6642\uff0c\u8fc5\u901f\u6062\u5fa9\u8cc7\u6599\u5eab\u7684\u72c0\u614b\uff0c\u907f\u514d\u8cc7\u6599\u640d\u5931\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u9760\u6027\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u7406\u89e3\u548c\u638c\u63e1ROLLBACK\u7684\u4f7f\u7528\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca<code>\u4f3a\u670d\u5668<\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6307\u4ee4ROLLBACK\uff08\u56de\u6efe\uff09\uff0c\u7528\u65bc\u64a4\u92b7\u672a\u63d0\u4ea4\u7684\u4ea4\u6613\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\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-79626","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79626","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=79626"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79626\/revisions"}],"predecessor-version":[{"id":79627,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79626\/revisions\/79627"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}