{"id":96780,"date":"2024-10-20T12:18:17","date_gmt":"2024-10-20T04:18:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96780\/"},"modified":"2024-10-20T12:18:18","modified_gmt":"2024-10-20T04:18:18","slug":"postgresql-24000-invalid_cursor_state-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96780\/","title":{"rendered":"PostgreSQL 24000: invalid_cursor_state \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"postgresql-24000-invalid_cursor_state-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-YzOYWowqDz\">PostgreSQL 24000: invalid_cursor_state \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u300c24000: invalid_cursor_state\u300d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6e38\u6a19\u7684\u72c0\u614b\u6709\u95dc\uff0c\u7576\u6e38\u6a19\u8655\u65bc\u7121\u6548\u72c0\u614b\u6642\uff0c\u7cfb\u7d71\u5c07\u7121\u6cd5\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-YzOYWowqDz\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u300c24000: invalid_cursor_state\u300d\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u6e38\u6a19\u672a\u6b63\u78ba\u6253\u958b\uff1a<\/strong>\u7576\u5617\u8a66\u4f7f\u7528\u6e38\u6a19\u9032\u884c\u6578\u64da\u64cd\u4f5c\u6642\uff0c\u5982\u679c\u6e38\u6a19\u5c1a\u672a\u88ab\u6253\u958b\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6e38\u6a19\u5df2\u95dc\u9589\uff1a<\/strong>\u5982\u679c\u6e38\u6a19\u5728\u64cd\u4f5c\u904e\u7a0b\u4e2d\u88ab\u95dc\u9589\uff0c\u4efb\u4f55\u5f8c\u7e8c\u7684\u64cd\u4f5c\u90fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6e38\u6a19\u5df2\u7d93\u88ab\u79fb\u52d5\u5230\u7121\u6548\u4f4d\u7f6e\uff1a<\/strong>\u4f8b\u5982\uff0c\u7576\u6e38\u6a19\u5df2\u7d93\u5230\u9054\u7d50\u679c\u96c6\u7684\u672b\u5c3e\uff0c\u537b\u4ecd\u7136\u5617\u8a66\u8b80\u53d6\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-YzOYWowqDz\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9\u300c24000: invalid_cursor_state\u300d\u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%b8%b8%e6%a8%99%e7%9a%84%e7%8b%80%e6%85%8b-YzOYWowqDz\">1. \u6aa2\u67e5\u6e38\u6a19\u7684\u72c0\u614b<\/h3>\n<p>\u5728\u57f7\u884c\u4efb\u4f55\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u8981\u78ba\u8a8d\u6e38\u6a19\u7684\u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u6e38\u6a19\u662f\u5426\u5df2\u6b63\u78ba\u6253\u958b\uff1a<\/p>\n<pre><code>DECLARE my_cursor CURSOR FOR SELECT * FROM my_table;<\/code><\/pre>\n<pre><code>OPEN my_cursor;<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e4%bf%9d%e6%b8%b8%e6%a8%99%e6%9c%aa%e8%a2%ab%e9%97%9c%e9%96%89-YzOYWowqDz\">2. \u78ba\u4fdd\u6e38\u6a19\u672a\u88ab\u95dc\u9589<\/h3>\n<p>\u5728\u4f7f\u7528\u6e38\u6a19\u4e4b\u524d\uff0c\u78ba\u4fdd\u5b83\u6c92\u6709\u88ab\u95dc\u9589\u3002\u5982\u679c\u6e38\u6a19\u5df2\u7d93\u95dc\u9589\uff0c\u5247\u9700\u8981\u91cd\u65b0\u6253\u958b\u5b83\uff1a<\/p>\n<pre><code>CLOSE my_cursor;<\/code><\/pre>\n<pre><code>OPEN my_cursor;<\/code><\/pre>\n<h3 id=\"3-%e6%ad%a3%e7%a2%ba%e8%99%95%e7%90%86%e6%b8%b8%e6%a8%99%e7%9a%84%e4%bd%8d%e7%bd%ae-YzOYWowqDz\">3. \u6b63\u78ba\u8655\u7406\u6e38\u6a19\u7684\u4f4d\u7f6e<\/h3>\n<p>\u5728\u8b80\u53d6\u6578\u64da\u6642\uff0c\u78ba\u4fdd\u6e38\u6a19\u7684\u4f4d\u7f6e\u662f\u6709\u6548\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 FETCH \u547d\u4ee4\u4f86\u5b89\u5168\u5730\u8b80\u53d6\u6578\u64da\uff1a<\/p>\n<pre><code>FETCH NEXT FROM my_cursor;<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-YzOYWowqDz\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7279\u5225\u662f\u7576\u6578\u64da\u5eab\u904b\u884c\u5728\u9060\u7a0b\u4f3a\u670d\u5668\u4e0a\u6642\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u6545\u969c\u6392\u9664\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 SSH \u9023\u63a5\uff1a<\/strong>\u901a\u904e SSH \u9023\u63a5\u5230\u9060\u7a0b\u4f3a\u670d\u5668\uff0c\u4e26\u4f7f\u7528 psql \u5de5\u5177\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u65e5\u8a8c\u6587\u4ef6\uff1a<\/strong>\u67e5\u770b PostgreSQL \u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u4ee5\u7372\u53d6\u66f4\u591a\u932f\u8aa4\u4fe1\u606f\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<li><strong>\u4f7f\u7528\u76e3\u63a7\u5de5\u5177\uff1a<\/strong>\u5229\u7528\u76e3\u63a7\u5de5\u5177\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u6e38\u6a19\u7684\u72c0\u614b\uff0c\u9019\u6a23\u53ef\u4ee5\u53ca\u65e9\u767c\u73fe\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YzOYWowqDz\">\u7e3d\u7d50<\/h2>\n<p>\u300c24000: invalid_cursor_state\u300d\u932f\u8aa4\u5728 PostgreSQL \u4e2d\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u8207\u6e38\u6a19\u7684\u72c0\u614b\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u6e38\u6a19\u7684\u72c0\u614b\u3001\u78ba\u4fdd\u6e38\u6a19\u672a\u88ab\u95dc\u9589\u4ee5\u53ca\u6b63\u78ba\u8655\u7406\u6e38\u6a19\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5728\u9060\u7a0b\u8655\u7406\u6642\uff0c\u4f7f\u7528 SSH \u9023\u63a5\u3001\u6aa2\u67e5\u65e5\u8a8c\u6587\u4ef6\u548c\u5229\u7528\u76e3\u63a7\u5de5\u5177\u90fd\u662f\u6709\u6548\u7684\u7b56\u7565\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u904b\u884c\u60a8\u7684 PostgreSQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aPostgreSQL 24000: invalid_cursor_state\u932f\u8aa4\u7684\u6545\u969c\u4fee\u5fa9\u65b9\u6cd5\uff0c\u63d0\u4f9b\u9060\u7a0b\u8655\u7406\u6280\u5de7\uff0c\u52a9\u60a8\u5feb\u901f\u6062\u5fa9\u6578\u64da\u5eab\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-96780","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96780","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=96780"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96780\/revisions"}],"predecessor-version":[{"id":96781,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96780\/revisions\/96781"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}