{"id":79636,"date":"2024-10-16T13:25:16","date_gmt":"2024-10-16T05:25:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79636\/"},"modified":"2024-10-16T13:25:16","modified_gmt":"2024-10-16T05:25:16","slug":"mysql%e6%8c%87%e4%bb%a4-savepoint%ef%bc%88%e4%bf%9d%e5%ad%98%e9%bb%9e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79636\/","title":{"rendered":"MySQL\u6307\u4ee4: SAVEPOINT\uff08\u4fdd\u5b58\u9ede\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-savepoint%ef%bc%88%e4%bf%9d%e5%ad%98%e9%bb%9e%ef%bc%89-sxedRmOWiD\">MySQL\u6307\u4ee4: SAVEPOINT\uff08\u4fdd\u5b58\u9ede\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7279\u5225\u662f\u4f7f\u7528MySQL\u6642\uff0c\u4ea4\u6613\u7684\u7ba1\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4ea4\u6613\uff08Transaction\uff09\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\u3002\u70ba\u4e86\u66f4\u597d\u5730\u63a7\u5236\u4ea4\u6613\u7684\u57f7\u884c\uff0cMySQL\u63d0\u4f9b\u4e86SAVEPOINT\u6307\u4ee4\uff0c\u8b93\u4f7f\u7528\u8005\u80fd\u5920\u5728\u4ea4\u6613\u4e2d\u8a2d\u7f6e\u4fdd\u5b58\u9ede\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u6642\u56de\u6efe\u5230\u9019\u4e9b\u9ede\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsavepoint%ef%bc%9f-sxedRmOWiD\">\u4ec0\u9ebc\u662fSAVEPOINT\uff1f<\/h2>\n<p>SAVEPOINT\u662f\u4e00\u500b\u7528\u65bc\u5728\u4ea4\u6613\u4e2d\u8a2d\u7f6e\u6a19\u8a18\u7684\u6307\u4ee4\u3002\u7576\u4f60\u5728\u4e00\u500b\u4ea4\u6613\u4e2d\u57f7\u884c\u591a\u500b\u64cd\u4f5c\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528SAVEPOINT\u4f86\u6a19\u8a18\u67d0\u500b\u7279\u5b9a\u7684\u72c0\u614b\u3002\u5982\u679c\u5f8c\u7e8c\u7684\u64cd\u4f5c\u51fa\u73fe\u932f\u8aa4\uff0c\u4f60\u53ef\u4ee5\u9078\u64c7\u56de\u6efe\u5230\u9019\u500b\u4fdd\u5b58\u9ede\uff0c\u800c\u4e0d\u662f\u56de\u6efe\u6574\u500b\u4ea4\u6613\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u64cd\u4f5c\u7684\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002<\/p>\n<h2 id=\"savepoint%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-sxedRmOWiD\">SAVEPOINT\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<pre><code>SAVEPOINT savepoint_name;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>savepoint_name<\/code>\u662f\u4f60\u70ba\u4fdd\u5b58\u9ede\u6307\u5b9a\u7684\u540d\u7a31\u3002\u9019\u500b\u540d\u7a31\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u5728\u540c\u4e00\u500b\u4ea4\u6613\u4e2d\u4e0d\u80fd\u91cd\u8907\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8savepoint%e7%9a%84%e7%af%84%e4%be%8b-sxedRmOWiD\">\u4f7f\u7528SAVEPOINT\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SAVEPOINT\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728MySQL\u4e2d\u8a2d\u7f6e\u548c\u4f7f\u7528\u4fdd\u5b58\u9ede\uff1a<\/p>\n<pre><code>START TRANSACTION;\n\nINSERT INTO users (name, email) VALUES ('Alice', 'alice@example.com');\nSAVEPOINT sp1;\n\nINSERT INTO users (name, email) VALUES ('Bob', 'bob@example.com');\nSAVEPOINT sp2;\n\n-- \u5047\u8a2d\u9019\u88e1\u51fa\u73fe\u4e86\u4e00\u500b\u932f\u8aa4\nROLLBACK TO sp1;\n\nCOMMIT;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u958b\u59cb\u4e00\u500b\u4ea4\u6613\uff0c\u7136\u5f8c\u63d2\u5165\u5169\u689d\u8a18\u9304\u3002\u63a5\u8457\uff0c\u6211\u5011\u8a2d\u7f6e\u4e86\u5169\u500b\u4fdd\u5b58\u9ede\uff1a<code>sp1<\/code>\u548c<code>sp2<\/code>\u3002\u5982\u679c\u5728\u63d2\u5165\u7b2c\u4e8c\u689d\u8a18\u9304\u6642\u51fa\u73fe\u932f\u8aa4\uff0c\u6211\u5011\u53ef\u4ee5\u9078\u64c7\u56de\u6efe\u5230<code>sp1<\/code>\uff0c\u9019\u6a23\u5c31\u53ea\u6703\u64a4\u92b7\u7b2c\u4e8c\u689d\u8a18\u9304\u7684\u63d2\u5165\uff0c\u800c\u7b2c\u4e00\u689d\u8a18\u9304\u4ecd\u7136\u4fdd\u7559\u3002<\/p>\n<h2 id=\"savepoint%e7%9a%84%e5%84%aa%e5%8b%a2-sxedRmOWiD\">SAVEPOINT\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u4f7f\u7528SAVEPOINT\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u4ea4\u6613\u4e2d\u6709\u66f4\u591a\u7684\u63a7\u5236\u6b0a\uff0c\u80fd\u5920\u9078\u64c7\u6027\u5730\u56de\u6efe\u5230\u67d0\u500b\u7279\u5b9a\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u6548\u7387\uff1a<\/strong>\u907f\u514d\u4e86\u6574\u500b\u4ea4\u6613\u7684\u56de\u6efe\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u8907\u96dc\u7684\u4ea4\u6613\u4e2d\uff0cSAVEPOINT\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u8655\u7406\u932f\u8aa4\uff0c\u6e1b\u5c11\u6578\u64da\u640d\u5931\u7684\u98a8\u96aa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-sxedRmOWiD\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136SAVEPOINT\u63d0\u4f9b\u4e86\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u4fdd\u5b58\u9ede\u53ea\u80fd\u5728\u4ea4\u6613\u4e2d\u4f7f\u7528\uff0c\u5fc5\u9808\u5728<code>START TRANSACTION<\/code>\u548c<code>COMMIT<\/code>\u4e4b\u9593\u8a2d\u7f6e\u3002<\/li>\n<li>\u5982\u679c\u6574\u500b\u4ea4\u6613\u88ab\u56de\u6efe\uff0c\u6240\u6709\u7684\u4fdd\u5b58\u9ede\u4e5f\u6703\u5931\u6548\u3002<\/li>\n<li>\u5728\u4e00\u500b\u4ea4\u6613\u4e2d\uff0c\u4fdd\u5b58\u9ede\u7684\u540d\u7a31\u5fc5\u9808\u552f\u4e00\uff0c\u5426\u5247\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-sxedRmOWiD\">\u7e3d\u7d50<\/h2>\n<p>SAVEPOINT\u662fMySQL\u4e2d\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u4ea4\u6613\u4e2d\u8a2d\u7f6e\u9748\u6d3b\u7684\u56de\u6efe\u9ede\u3002\u900f\u904e\u5408\u7406\u4f7f\u7528SAVEPOINT\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u5b89\u5168\u6027\u548c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9032\u884c\u8907\u96dc\u6578\u64da\u64cd\u4f5c\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u638c\u63e1SAVEPOINT\u7684\u4f7f\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fvps<\/code>\u6216\u5176\u4ed6<code>\u670d\u52a1\u5668<\/code>\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6307\u4ee4SAVEPOINT\uff0c\u5982\u4f55\u5728\u4e8b\u52d9\u4e2d\u8a2d\u7f6e\u4fdd\u5b58\u9ede\u4ee5\u4fbf\u65bc\u56de\u6efe\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u7684\u9748\u6d3b\u6027\u8207\u5b89\u5168\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-79636","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79636","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=79636"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79636\/revisions"}],"predecessor-version":[{"id":79637,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79636\/revisions\/79637"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}