{"id":178834,"date":"2024-11-08T21:17:19","date_gmt":"2024-11-08T13:17:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178834\/"},"modified":"2024-11-08T21:17:19","modified_gmt":"2024-11-08T13:17:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a25004-inappropriate_isolation_level_for_branch_transaction%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178834\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a25004 &#8211; inappropriate_isolation_level_for_branch_transaction\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a25004-inappropriate_isolation_level_for_branch_transaction-zEUCYqEaPb\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a25004 &#8211; inappropriate_isolation_level_for_branch_transaction<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u932f\u8aa4\u4ee3\u78bc25004\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u986f\u793a\u70ba\u300cinappropriate_isolation_level_for_branch_transaction\u300d\u3002\u9019\u500b\u932f\u8aa4\u4e3b\u8981\u8207\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u5206\u652f\u4e8b\u52d9\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-zEUCYqEaPb\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>PostgreSQL\u652f\u6301\u591a\u7a2e\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>Read Uncommitted<\/li>\n<li>Read Committed<\/li>\n<li>Repeatable Read<\/li>\n<li>Serializable<\/li>\n<\/ul>\n<p>\u7576\u4f60\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u4f7f\u7528\u5206\u652f\u4e8b\u52d9\uff08\u4f8b\u5982\uff0c\u4f7f\u7528 <code>PREPARE TRANSACTION<\/code>\uff09\u6642\uff0cPostgreSQL\u8981\u6c42\u4e3b\u4e8b\u52d9\u548c\u5206\u652f\u4e8b\u52d9\u5fc5\u9808\u4f7f\u7528\u76f8\u540c\u7684\u9694\u96e2\u7d1a\u5225\u3002\u5982\u679c\u4e3b\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u4e0d\u9069\u5408\u5206\u652f\u4e8b\u52d9\uff0c\u5247\u6703\u5f15\u767c\u932f\u8aa425004\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a425004-zEUCYqEaPb\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa425004<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u4e3b\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u7576\u524d\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\uff1a<\/p>\n<pre><code>SHOW TRANSACTION ISOLATION;<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u4e3b\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u8207\u5206\u652f\u4e8b\u52d9\u4e0d\u4e00\u81f4\uff0c\u5247\u9700\u8981\u8abf\u6574\u5176\u4e2d\u4e00\u500b\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u8a2d\u7f6e\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\u7684\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%ae%e4%b8%bb%e4%ba%8b%e5%8b%99%e7%9a%84%e9%9a%94%e9%9b%a2%e7%b4%9a%e5%88%a5-zEUCYqEaPb\">\u8a2d\u7f6e\u4e3b\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225<\/h3>\n<pre><code>SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;<\/code><\/pre>\n<h3 id=\"%e8%a8%ad%e7%bd%ae%e5%88%86%e6%94%af%e4%ba%8b%e5%8b%99%e7%9a%84%e9%9a%94%e9%9b%a2%e7%b4%9a%e5%88%a5-zEUCYqEaPb\">\u8a2d\u7f6e\u5206\u652f\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225<\/h3>\n<pre><code>SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u4e3b\u4e8b\u52d9\u548c\u5206\u652f\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u90fd\u8a2d\u7f6e\u70ba <code>SERIALIZABLE<\/code>\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5169\u8005\u4e4b\u9593\u7684\u4e00\u81f4\u6027\uff0c\u5f9e\u800c\u907f\u514d\u932f\u8aa425004\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"%e5%85%b6%e4%bb%96%e8%80%83%e6%85%ae%e5%9b%a0%e7%b4%a0-zEUCYqEaPb\">\u5176\u4ed6\u8003\u616e\u56e0\u7d20<\/h2>\n<p>\u5728\u8655\u7406\u4e8b\u52d9\u6642\uff0c\u9084\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6240\u6709\u76f8\u95dc\u7684\u4e8b\u52d9\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u9694\u96e2\u7d1a\u5225\u3002<\/li>\n<li>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u67b6\u69cb\u6642\uff0c\u8003\u616e\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e2c\u8a66\u4e8b\u52d9\u7684\u884c\u70ba\uff0c\u4ee5\u78ba\u4fdd\u4e0d\u6703\u51fa\u73fe\u610f\u5916\u7684\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<p>\u6b64\u5916\uff0c\u4e86\u89e3\u4e0d\u540c\u9694\u96e2\u7d1a\u5225\u7684\u7279\u6027\u53ca\u5176\u5c0d\u6578\u64da\u4e00\u81f4\u6027\u7684\u5f71\u97ff\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u8a2d\u8a08\u61c9\u7528\u7a0b\u5e8f\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n<h2 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href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc25004\u7684\u6307\u5357\uff0c\u89e3\u6c7a\u4e0d\u7576\u7684\u9694\u96e2\u7d1a\u5225\u554f\u984c\uff0c\u78ba\u4fdd\u5206\u652f\u4e8b\u52d9\u6b63\u5e38\u904b\u884c\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-178834","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178834","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=178834"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178834\/revisions"}],"predecessor-version":[{"id":178835,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178834\/revisions\/178835"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}