{"id":186206,"date":"2024-11-11T03:59:24","date_gmt":"2024-11-10T19:59:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186206\/"},"modified":"2024-11-11T03:59:25","modified_gmt":"2024-11-10T19:59:25","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e5%bf%85%e5%82%99%e6%8a%80%e8%83%bd%ef%bc%9a%e5%89%8d%e6%bb%be%e8%88%87%e5%9b%9e%e6%bb%be%e8%a9%b3%e8%a7%a3%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e5%89%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186206\/","title":{"rendered":"\u6578\u64da\u5eab\u64cd\u4f5c\u5fc5\u5099\u6280\u80fd\uff1a\u524d\u6efe\u8207\u56de\u6efe\u8a73\u89e3\uff08\u6578\u64da\u5eab\u524d\u6efe\u56de\u6efe\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e5%bf%85%e5%82%99%e6%8a%80%e8%83%bd%ef%bc%9a%e5%89%8d%e6%bb%be%e8%88%87%e5%9b%9e%e6%bb%be%e8%a9%b3%e8%a7%a3%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e5%89%8d-MuNarGAiAU\">\u6578\u64da\u5eab\u64cd\u4f5c\u5fc5\u5099\u6280\u80fd\uff1a\u524d\u6efe\u8207\u56de\u6efe\u8a73\u89e3\uff08\u6578\u64da\u5eab\u524d\u6efe\u56de\u6efe\uff09<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u70ba\u4e86\u78ba\u4fdd\u9019\u4e9b\u7279\u6027\uff0c\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u524d\u6efe\uff08Forward Rollback\uff09\u548c\u56de\u6efe\uff08Rollback\uff09\u529f\u80fd\u3002\u9019\u4e9b\u529f\u80fd\u4e0d\u50c5\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u6578\u64da\u64cd\u4f5c\u4e2d\u907f\u514d\u932f\u8aa4\uff0c\u9084\u80fd\u5728\u7cfb\u7d71\u6545\u969c\u6642\u6062\u5fa9\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u5169\u7a2e\u64cd\u4f5c\u7684\u539f\u7406\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%89%8d%e6%bb%be%e8%88%87%e5%9b%9e%e6%bb%be%ef%bc%9f-MuNarGAiAU\">\u4ec0\u9ebc\u662f\u524d\u6efe\u8207\u56de\u6efe\uff1f<\/h2>\n<p>\u524d\u6efe\u548c\u56de\u6efe\u662f\u6578\u64da\u5eab\u4e8b\u52d9\u7ba1\u7406\u4e2d\u7684\u5169\u500b\u91cd\u8981\u6982\u5ff5\u3002\u5b83\u5011\u4e3b\u8981\u7528\u65bc\u8655\u7406\u6578\u64da\u7684\u8b8a\u66f4\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h3 id=\"%e5%89%8d%e6%bb%be%ef%bc%88forward-rollback%ef%bc%89-MuNarGAiAU\">\u524d\u6efe\uff08Forward Rollback\uff09<\/h3>\n<p>\u524d\u6efe\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\u61c9\u7528\u4e00\u7cfb\u5217\u7684\u8b8a\u66f4\u64cd\u4f5c\uff0c\u9019\u4e9b\u64cd\u4f5c\u901a\u5e38\u662f\u7531\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u767c\u8d77\u7684\u3002\u7576\u4e00\u500b\u4e8b\u52d9\u6210\u529f\u57f7\u884c\u5f8c\uff0c\u6240\u6709\u7684\u8b8a\u66f4\u90fd\u6703\u88ab\u63d0\u4ea4\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u9019\u500b\u904e\u7a0b\u7a31\u70ba\u201c\u63d0\u4ea4\u201d\uff08Commit\uff09\u3002\u524d\u6efe\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5c07\u6578\u64da\u5eab\u7684\u72c0\u614b\u66f4\u65b0\u5230\u6700\u65b0\u7684\u72c0\u614b\u3002<\/p>\n<h4 id=\"%e5%89%8d%e6%bb%be%e7%9a%84%e5%af%a6%e4%be%8b-MuNarGAiAU\">\u524d\u6efe\u7684\u5be6\u4f8b<\/h4>\n<pre><code>BEGIN TRANSACTION;\nUPDATE users SET balance = balance - 100 WHERE user_id = 1;\nUPDATE users SET balance = balance + 100 WHERE user_id = 2;\nCOMMIT;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5169\u500b\u7528\u6236\u7684\u8cec\u6236\u9918\u984d\u88ab\u66f4\u65b0\u3002\u53ea\u6709\u7576\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u6210\u529f\u57f7\u884c\u5f8c\uff0c\u9019\u4e9b\u8b8a\u66f4\u624d\u6703\u88ab\u63d0\u4ea4\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n<h3 id=\"%e5%9b%9e%e6%bb%be%ef%bc%88rollback%ef%bc%89-MuNarGAiAU\">\u56de\u6efe\uff08Rollback\uff09<\/h3>\n<p>\u56de\u6efe\u662f\u6307\u5728\u4e8b\u52d9\u57f7\u884c\u904e\u7a0b\u4e2d\uff0c\u5982\u679c\u767c\u751f\u932f\u8aa4\u6216\u7570\u5e38\u60c5\u6cc1\uff0c\u5247\u53ef\u4ee5\u64a4\u92b7\u4e4b\u524d\u7684\u6240\u6709\u64cd\u4f5c\uff0c\u5c07\u6578\u64da\u5eab\u6062\u5fa9\u5230\u4e8b\u52d9\u958b\u59cb\u4e4b\u524d\u7684\u72c0\u614b\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u6578\u64da\u7684\u4e0d\u4e00\u81f4\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h4 id=\"%e5%9b%9e%e6%bb%be%e7%9a%84%e5%af%a6%e4%be%8b-MuNarGAiAU\">\u56de\u6efe\u7684\u5be6\u4f8b<\/h4>\n<pre><code>BEGIN TRANSACTION;\nUPDATE users SET balance = balance - 100 WHERE user_id = 1;\nUPDATE users SET balance = balance + 100 WHERE user_id = 2;\nROLLBACK;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5047\u8a2d\u7b2c\u4e8c\u500b\u66f4\u65b0\u64cd\u4f5c\u5931\u6557\uff0c\u5247\u53ef\u4ee5\u901a\u904e\u56de\u6efe\u64cd\u4f5c\u64a4\u92b7\u7b2c\u4e00\u500b\u66f4\u65b0\uff0c\u5c07\u6578\u64da\u5eab\u6062\u5fa9\u5230\u4e8b\u52d9\u958b\u59cb\u4e4b\u524d\u7684\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e5%89%8d%e6%bb%be%e8%88%87%e5%9b%9e%e6%bb%be%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-MuNarGAiAU\">\u524d\u6efe\u8207\u56de\u6efe\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u524d\u6efe\u548c\u56de\u6efe\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u66f4\u65b0\uff1a<\/strong>\u7576\u9700\u8981\u5c0d\u6578\u64da\u9032\u884c\u6279\u91cf\u66f4\u65b0\u6642\uff0c\u524d\u6efe\u548c\u56de\u6efe\u53ef\u4ee5\u78ba\u4fdd\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u57f7\u884c\u8907\u96dc\u7684\u6578\u64da\u64cd\u4f5c\u6642\uff0c\u82e5\u767c\u751f\u932f\u8aa4\uff0c\u53ef\u4ee5\u901a\u904e\u56de\u6efe\u4f86\u6062\u5fa9\u6578\u64da\u7684\u6b63\u78ba\u72c0\u614b\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u6545\u969c\uff1a<\/strong>\u5728\u7cfb\u7d71\u5d29\u6f70\u6216\u6545\u969c\u7684\u60c5\u6cc1\u4e0b\uff0c\u56de\u6efe\u53ef\u4ee5\u5e6b\u52a9\u6062\u5fa9\u5230\u6700\u8fd1\u7684\u7a69\u5b9a\u72c0\u614b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-MuNarGAiAU\">\u7d50\u8ad6<\/h2>\n<p>\u524d\u6efe\u548c\u56de\u6efe\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6280\u80fd\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u638c\u63e1\u9019\u4e9b\u6280\u80fd\u4e0d\u50c5\u80fd\u63d0\u9ad8\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u964d\u4f4e\u6578\u64da\u932f\u8aa4\u7684\u98a8\u96aa\u3002\u5728\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u6642\uff0c\u4e86\u89e3\u9019\u4e9b\u64cd\u4f5c\u7684\u539f\u7406\u548c\u61c9\u7528\u5834\u666f\u5c07\u6709\u52a9\u65bc\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u5fc5\u5099\u6280\u80fd\uff0c\u6df1\u5165\u4e86\u89e3\u524d\u6efe\u8207\u56de\u6efe\u7684\u539f\u7406\u8207\u61c9\u7528\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u4e00\u81f4\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-186206","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186206","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=186206"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186206\/revisions"}],"predecessor-version":[{"id":186207,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186206\/revisions\/186207"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}