{"id":178960,"date":"2024-11-08T21:50:25","date_gmt":"2024-11-08T13:50:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178960\/"},"modified":"2024-11-08T21:50:25","modified_gmt":"2024-11-08T13:50:25","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%9a3b001-invalid_savepoint_specification%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178960\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a3B001 &#8211; invalid_savepoint_specification\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%9a3b001-invalid_savepoint_specification-ZJxJvSTODw\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a3B001 &#8211; invalid_savepoint_specification<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\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\u78bc3B001\uff0c\u8868\u793a\u201cinvalid_savepoint_specification\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528\u4fdd\u5b58\u9ede\uff08savepoint\uff09\u6642\uff0c\u7576\u6307\u5b9a\u7684\u4fdd\u5b58\u9ede\u7121\u6548\u6216\u4e0d\u5b58\u5728\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%bf%9d%e5%ad%98%e9%bb%9e%ef%bc%88savepoint%ef%bc%89%ef%bc%9f-ZJxJvSTODw\">\u4ec0\u9ebc\u662f\u4fdd\u5b58\u9ede\uff08Savepoint\uff09\uff1f<\/h2>\n<p>\u4fdd\u5b58\u9ede\u662f\u4e00\u7a2e\u5728\u4e8b\u52d9\u4e2d\u5275\u5efa\u7684\u6a19\u8a18\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e8b\u52d9\u7684\u67d0\u500b\u7279\u5b9a\u9ede\u9032\u884c\u56de\u6efe\uff0c\u800c\u4e0d\u662f\u56de\u6efe\u6574\u500b\u4e8b\u52d9\u3002\u9019\u5728\u8655\u7406\u8907\u96dc\u7684\u6578\u64da\u64cd\u4f5c\u6642\u975e\u5e38\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u9748\u6d3b\u6027\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc3b001%e7%9a%84%e5%8e%9f%e5%9b%a0-ZJxJvSTODw\">\u932f\u8aa4\u4ee3\u78bc3B001\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728PostgreSQL\u4e2d\u4f7f\u7528\u4fdd\u5b58\u9ede\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u5c0e\u81f4\u932f\u8aa43B001\uff1a<\/p>\n<ul>\n<li><strong>\u4fdd\u5b58\u9ede\u540d\u7a31\u932f\u8aa4\uff1a<\/strong>\u5982\u679c\u4f60\u5617\u8a66\u56de\u6efe\u5230\u4e00\u500b\u4e0d\u5b58\u5728\u7684\u4fdd\u5b58\u9ede\uff0cPostgreSQL\u5c07\u7121\u6cd5\u8b58\u5225\u8a72\u540d\u7a31\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4fdd\u5b58\u9ede\u5df2\u88ab\u91cb\u653e\uff1a<\/strong>\u5728PostgreSQL\u4e2d\uff0c\u4fdd\u5b58\u9ede\u662f\u53ef\u4ee5\u88ab\u91cb\u653e\u7684\u3002\u5982\u679c\u5728\u91cb\u653e\u4fdd\u5b58\u9ede\u5f8c\u4ecd\u7136\u5617\u8a66\u4f7f\u7528\u5b83\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u72c0\u614b\u4e0d\u6b63\u78ba\uff1a<\/strong>\u5982\u679c\u7576\u524d\u4e8b\u52d9\u5df2\u7d93\u63d0\u4ea4\u6216\u56de\u6efe\uff0c\u5247\u7121\u6cd5\u4f7f\u7528\u4fdd\u5b58\u9ede\uff0c\u9019\u4e5f\u6703\u5c0e\u81f4\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%a43b001-ZJxJvSTODw\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa43B001<\/h2>\n<p>\u8981\u4fee\u5fa9PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc3B001\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e4%bf%9d%e5%ad%98%e9%bb%9e%e5%90%8d%e7%a8%b1-ZJxJvSTODw\">1. \u6aa2\u67e5\u4fdd\u5b58\u9ede\u540d\u7a31<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u4f7f\u7528\u7684\u4fdd\u5b58\u9ede\u540d\u7a31\u662f\u6b63\u78ba\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u770b\u7576\u524d\u4e8b\u52d9\u4e2d\u7684\u6240\u6709\u4fdd\u5b58\u9ede\uff1a<\/p>\n<pre><code>SHOW savepoint;<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u767c\u73fe\u6307\u5b9a\u7684\u4fdd\u5b58\u9ede\u540d\u7a31\u4e0d\u5728\u5217\u8868\u4e2d\uff0c\u5247\u9700\u8981\u4f7f\u7528\u6b63\u78ba\u7684\u540d\u7a31\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e4%bf%9d%e5%ad%98%e9%bb%9e%e7%9a%84%e7%8b%80%e6%85%8b-ZJxJvSTODw\">2. \u78ba\u8a8d\u4fdd\u5b58\u9ede\u7684\u72c0\u614b<\/h3>\n<p>\u5982\u679c\u4f60\u5df2\u7d93\u91cb\u653e\u4e86\u4fdd\u5b58\u9ede\uff0c\u5247\u7121\u6cd5\u518d\u4f7f\u7528\u5b83\u3002\u6aa2\u67e5\u4f60\u7684\u4ee3\u78bc\uff0c\u78ba\u4fdd\u5728\u91cb\u653e\u4fdd\u5b58\u9ede\u5f8c\u4e0d\u518d\u5617\u8a66\u4f7f\u7528\u5b83\u3002\u91cb\u653e\u4fdd\u5b58\u9ede\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>RELEASE SAVEPOINT savepoint_name;<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e4%ba%8b%e5%8b%99%e7%8b%80%e6%85%8b-ZJxJvSTODw\">3. \u6aa2\u67e5\u4e8b\u52d9\u72c0\u614b<\/h3>\n<p>\u78ba\u4fdd\u7576\u524d\u4e8b\u52d9\u4ecd\u7136\u8655\u65bc\u6d3b\u52d5\u72c0\u614b\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u6aa2\u67e5\u4e8b\u52d9\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT txid_current();<\/code><\/pre>\n<p>\u5982\u679c\u4e8b\u52d9\u5df2\u7d93\u63d0\u4ea4\u6216\u56de\u6efe\uff0c\u5247\u9700\u8981\u91cd\u65b0\u958b\u59cb\u4e00\u500b\u65b0\u7684\u4e8b\u52d9\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-ZJxJvSTODw\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u4fdd\u5b58\u9ede\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u6b63\u78ba\u4f7f\u7528\u4fdd\u5b58\u9ede\u4ee5\u907f\u514d\u932f\u8aa43B001\uff1a<\/p>\n<pre><code>BEGIN;\n\nSAVEPOINT my_savepoint;\n\n-- \u57f7\u884c\u4e00\u4e9b\u6578\u64da\u64cd\u4f5c\nUPDATE my_table SET column1 = 'value' WHERE id = 1;\n\n-- \u6aa2\u67e5\u662f\u5426\u9700\u8981\u56de\u6efe\nIF some_condition THEN\n    ROLLBACK TO SAVEPOINT my_savepoint;\nEND IF;\n\n-- \u91cb\u653e\u4fdd\u5b58\u9ede\nRELEASE SAVEPOINT my_savepoint;\n\nCOMMIT;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZJxJvSTODw\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc3B001\u901a\u5e38\u662f\u7531\u65bc\u7121\u6548\u7684\u4fdd\u5b58\u9ede\u540d\u7a31\u3001\u5df2\u91cb\u653e\u7684\u4fdd\u5b58\u9ede\u6216\u4e0d\u6b63\u78ba\u7684\u4e8b\u52d9\u72c0\u614b\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u4fdd\u5b58\u9ede\u7684\u540d\u7a31\u548c\u72c0\u614b\uff0c\u4e26\u78ba\u4fdd\u5728\u6b63\u78ba\u7684\u4e8b\u52d9\u4e0a\u4e0b\u6587\u4e2d\u4f7f\u7528\u4fdd\u5b58\u9ede\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u652f\u6301\uff0c\u78ba\u4fdd\u696d\u52d9\u904b\u884c\u7684\u6d41\u66a2\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc3B001 &#8211; invalid_savepoint_specification\uff0c\u89e3\u6c7a\u4fdd\u5b58\u9ede\u898f\u7bc4\u7121\u6548\u7684\u554f\u984c\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-178960","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178960","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=178960"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178960\/revisions"}],"predecessor-version":[{"id":178961,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178960\/revisions\/178961"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}