{"id":178828,"date":"2024-11-08T21:14:23","date_gmt":"2024-11-08T13:14:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178828\/"},"modified":"2024-11-08T21:14:24","modified_gmt":"2024-11-08T13:14:24","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%9a25001-active_sql_transaction%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178828\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a25001 &#8211; active_sql_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%9a25001-active_sql_transaction-JkRPenSjZC\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a25001 &#8211; active_sql_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\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc25001\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u7576\u524d\u5b58\u5728\u4e00\u500b\u6d3b\u52d5\u7684SQL\u4e8b\u52d9\u3002\u9019\u610f\u5473\u8457\u5728\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\u6642\uff0c\u7cfb\u7d71\u6aa2\u6e2c\u5230\u4e00\u500b\u672a\u5b8c\u6210\u7684\u4e8b\u52d9\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u5f8c\u7e8c\u7684SQL\u8a9e\u53e5\u7121\u6cd5\u57f7\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc25001%e7%9a%84%e5%8e%9f%e5%9b%a0-JkRPenSjZC\">\u932f\u8aa4\u4ee3\u78bc25001\u7684\u539f\u56e0<\/h2>\n<p>PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc25001\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u672a\u63d0\u4ea4\u6216\u56de\u6efe\u7684\u4e8b\u52d9\uff1a<\/strong>\u7576\u4e00\u500b\u4e8b\u52d9\u958b\u59cb\u5f8c\uff0c\u5982\u679c\u6c92\u6709\u6b63\u78ba\u5730\u63d0\u4ea4\uff08commit\uff09\u6216\u56de\u6efe\uff08rollback\uff09\uff0c\u5247\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5d4c\u5957\u4e8b\u52d9\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u5617\u8a66\u5728\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u7684\u4e8b\u52d9\u4e2d\u555f\u52d5\u53e6\u4e00\u500b\u4e8b\u52d9\uff0c\u9019\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e0d\u7576\u7684SQL\u8a9e\u53e5\uff1a<\/strong>\u67d0\u4e9bSQL\u8a9e\u53e5\u5728\u4e8b\u52d9\u672a\u5b8c\u6210\u7684\u60c5\u6cc1\u4e0b\u57f7\u884c\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc25001-JkRPenSjZC\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc25001<\/h2>\n<p>\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc25001\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e4%ba%8b%e5%8b%99%e7%8b%80%e6%85%8b-JkRPenSjZC\">1. \u6aa2\u67e5\u4e8b\u52d9\u72c0\u614b<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u7576\u524d\u7684\u4e8b\u52d9\u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u67e5\u770b\u7576\u524d\u7684\u4e8b\u52d9\uff1a<\/p>\n<pre><code>SELECT * FROM pg_stat_activity WHERE state = 'active';<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u7576\u524d\u6d3b\u52d5\u7684\u4e8b\u52d9\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"2-%e6%8f%90%e4%ba%a4%e6%88%96%e5%9b%9e%e6%bb%be%e4%ba%8b%e5%8b%99-JkRPenSjZC\">2. \u63d0\u4ea4\u6216\u56de\u6efe\u4e8b\u52d9<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u6709\u672a\u63d0\u4ea4\u7684\u4e8b\u52d9\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u63d0\u4ea4\u6216\u56de\u6efe\u8a72\u4e8b\u52d9\u3002\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u63d0\u4ea4\u4e8b\u52d9\uff1a<\/p>\n<pre><code>COMMIT;<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u653e\u68c4\u8a72\u4e8b\u52d9\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>ROLLBACK;<\/code><\/pre>\n<h3 id=\"3-%e9%81%bf%e5%85%8d%e5%b5%8c%e5%a5%97%e4%ba%8b%e5%8b%99-JkRPenSjZC\">3. \u907f\u514d\u5d4c\u5957\u4e8b\u52d9<\/h3>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u61c9\u907f\u514d\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u555f\u52d5\u53e6\u4e00\u500b\u4e8b\u52d9\u3002\u78ba\u4fdd\u6bcf\u500b\u4e8b\u52d9\u7684\u958b\u59cb\u548c\u7d50\u675f\u90fd\u662f\u660e\u78ba\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u51fa\u73fe\u932f\u8aa4\u7684\u6a5f\u6703\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8savepoint-JkRPenSjZC\">4. \u4f7f\u7528SAVEPOINT<\/h3>\n<p>\u5982\u679c\u60a8\u9700\u8981\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u9032\u884c\u591a\u6b21\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528SAVEPOINT\u4f86\u5275\u5efa\u4e00\u500b\u53ef\u56de\u6efe\u7684\u9ede\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u67d0\u500b\u64cd\u4f5c\u5931\u6557\uff0c\u60a8\u4e5f\u53ef\u4ee5\u56de\u6efe\u5230SAVEPOINT\uff0c\u800c\u4e0d\u5fc5\u56de\u6efe\u6574\u500b\u4e8b\u52d9\uff1a<\/p>\n<pre><code>SAVEPOINT my_savepoint;<\/code><\/pre>\n<p>\u7136\u5f8c\u5728\u9700\u8981\u7684\u6642\u5019\u56de\u6efe\u5230\u8a72\u9ede\uff1a<\/p>\n<pre><code>ROLLBACK TO my_savepoint;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JkRPenSjZC\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc25001\u901a\u5e38\u662f\u7531\u65bc\u6d3b\u52d5\u4e8b\u52d9\u672a\u6b63\u78ba\u8655\u7406\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u4e8b\u52d9\u72c0\u614b\u3001\u6b63\u78ba\u63d0\u4ea4\u6216\u56de\u6efe\u4e8b\u52d9\u3001\u907f\u514d\u5d4c\u5957\u4e8b\u52d9\u4ee5\u53ca\u4f7f\u7528SAVEPOINT\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u9084\u662f\u5176\u4ed6\u985e\u578b\u7684<a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\u7a69\u5b9a\u904b\u884c\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6574\u9ad4\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc25001 &#8211; active_sql_transaction\uff0c\u89e3\u6c7a\u4e8b\u52d9\u672a\u7d50\u675f\u7684\u554f\u984c\uff0c\u6062\u5fa9\u6578\u64da\u5eab\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-178828","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178828","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=178828"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178828\/revisions"}],"predecessor-version":[{"id":178829,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178828\/revisions\/178829"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}