{"id":179038,"date":"2024-11-08T22:29:18","date_gmt":"2024-11-08T14:29:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179038\/"},"modified":"2024-11-08T22:29:19","modified_gmt":"2024-11-08T14:29:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-postgresql-%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a42p10-invalid_column_reference%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179038\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P10 &#8211; invalid_column_reference\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-postgresql-%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a42p10-invalid_column_reference-RuLWODawAc\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P10 &#8211; invalid_column_reference<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \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\u78bc <code>42P10<\/code>\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u300c\u7121\u6548\u7684\u5217\u5f15\u7528\u300d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u5217\u540d\u6216\u5728\u4e0d\u6b63\u78ba\u7684\u4e0a\u4e0b\u6587\u4e2d\u5f15\u7528\u4e86\u5217\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-42p10-%e7%9a%84%e6%88%90%e5%9b%a0-RuLWODawAc\">\u932f\u8aa4\u4ee3\u78bc 42P10 \u7684\u6210\u56e0<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc <code>42P10<\/code> \u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>\u5217\u540d\u62fc\u5beb\u932f\u8aa4\uff1a<\/strong>\u5982\u679c\u5728\u67e5\u8a62\u4e2d\u5f15\u7528\u7684\u5217\u540d\u62fc\u5beb\u932f\u8aa4\uff0cPostgreSQL \u5c07\u7121\u6cd5\u8b58\u5225\u8a72\u5217\uff0c\u5f9e\u800c\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u8868\u5225\u540d\uff1a<\/strong>\u5728\u4f7f\u7528\u8868\u5225\u540d\u6642\uff0c\u5982\u679c\u6c92\u6709\u6b63\u78ba\u5730\u5f15\u7528\u5225\u540d\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7121\u6548\u7684\u5217\u5f15\u7528\u3002<\/li>\n<li><strong>\u5728\u5b50\u67e5\u8a62\u4e2d\u5f15\u7528\u5916\u90e8\u67e5\u8a62\u7684\u5217\uff1a<\/strong>\u5982\u679c\u5728\u5b50\u67e5\u8a62\u4e2d\u5617\u8a66\u5f15\u7528\u5916\u90e8\u67e5\u8a62\u7684\u5217\uff0c\u4e14\u8a72\u5217\u5728\u5b50\u67e5\u8a62\u7684\u4e0a\u4e0b\u6587\u4e2d\u4e0d\u53ef\u898b\uff0c\u5247\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%bc-42p10-RuLWODawAc\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc 42P10<\/h2>\n<p>\u4fee\u5fa9 <code>42P10<\/code> \u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u4ed4\u7d30\u6aa2\u67e5 SQL \u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%88%97%e5%90%8d%e6%8b%bc%e5%af%ab-RuLWODawAc\">1. \u6aa2\u67e5\u5217\u540d\u62fc\u5beb<\/h3>\n<p>\u78ba\u4fdd\u6240\u6709\u5217\u540d\u7684\u62fc\u5beb\u90fd\u662f\u6b63\u78ba\u7684\u3002\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u8868\u7d50\u69cb\u4f86\u78ba\u8a8d\u5217\u540d\uff1a<\/p>\n<pre><code>SELECT column_name \nFROM information_schema.columns \nWHERE table_name = 'your_table_name';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5217\u51fa\u6307\u5b9a\u8868\u7684\u6240\u6709\u5217\u540d\uff0c\u5e6b\u52a9\u4f60\u78ba\u8a8d\u62fc\u5beb\u662f\u5426\u6b63\u78ba\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e8%a1%a8%e5%88%a5%e5%90%8d%e7%9a%84%e4%bd%bf%e7%94%a8-RuLWODawAc\">2. \u78ba\u8a8d\u8868\u5225\u540d\u7684\u4f7f\u7528<\/h3>\n<p>\u5982\u679c\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u8868\u5225\u540d\uff0c\u8acb\u78ba\u4fdd\u5728\u5f15\u7528\u5217\u6642\u4f7f\u7528\u6b63\u78ba\u7684\u5225\u540d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT a.column_name \nFROM your_table AS a \nWHERE a.column_name = 'value';<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86\u8868\u5225\u540d <code>a<\/code> \u4f86\u5f15\u7528 <code>column_name<\/code>\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u7121\u6548\u7684\u5217\u5f15\u7528\u932f\u8aa4\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%ad%90%e6%9f%a5%e8%a9%a2%e4%b8%ad%e7%9a%84%e5%88%97%e5%bc%95%e7%94%a8-RuLWODawAc\">3. \u6aa2\u67e5\u5b50\u67e5\u8a62\u4e2d\u7684\u5217\u5f15\u7528<\/h3>\n<p>\u5728\u5b50\u67e5\u8a62\u4e2d\u5f15\u7528\u5916\u90e8\u67e5\u8a62\u7684\u5217\u6642\uff0c\u8acb\u78ba\u4fdd\u8a72\u5217\u5728\u5b50\u67e5\u8a62\u7684\u4e0a\u4e0b\u6587\u4e2d\u662f\u53ef\u898b\u7684\u3002\u53ef\u4ee5\u8003\u616e\u5c07\u9700\u8981\u7684\u5217\u4f5c\u70ba\u53c3\u6578\u50b3\u905e\u7d66\u5b50\u67e5\u8a62\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * \nFROM your_table \nWHERE id IN (SELECT id FROM another_table WHERE condition);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5b50\u67e5\u8a62\u4e2d\u7684 <code>id<\/code> \u5217\u662f\u5f9e <code>another_table<\/code> \u4e2d\u7372\u53d6\u7684\uff0c\u78ba\u4fdd\u5b83\u5728\u4e0a\u4e0b\u6587\u4e2d\u662f\u6b63\u78ba\u7684\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RuLWODawAc\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc <code>42P10<\/code> \u901a\u5e38\u662f\u7531\u65bc\u7121\u6548\u7684\u5217\u5f15\u7528\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u5217\u540d\u62fc\u5beb\u3001\u78ba\u8a8d\u8868\u5225\u540d\u7684\u4f7f\u7528\u4ee5\u53ca\u6aa2\u67e5\u5b50\u67e5\u8a62\u4e2d\u7684\u5217\u5f15\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u904b\u884c\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc 42P10 &#8211; invalid_column_reference\uff0c\u89e3\u6c7a\u67e5\u8a62\u4e2d\u7684\u7121\u6548\u5217\u5f15\u7528\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\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-179038","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179038","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=179038"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179038\/revisions"}],"predecessor-version":[{"id":179039,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179038\/revisions\/179039"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}