{"id":21430,"date":"2024-01-02T09:15:27","date_gmt":"2024-01-02T09:15:27","guid":{"rendered":"https:\/\/server.hk\/blog\/21430\/"},"modified":"2024-11-14T10:34:33","modified_gmt":"2024-11-14T02:34:33","slug":"how-to-fix-postgresql-error-code-42p10-invalid_column_reference","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21430\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P10 &#8211; invalid_column_reference"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-42p10-invalid_column_reference-bbTdAKEsjO\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P10 &#8211; invalid_column_reference<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u50cf\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u4e5f\u53ef\u80fd\u9047\u5230\u6703\u59a8\u7919\u5176\u529f\u80fd\u7684\u932f\u8aa4\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P10 &#8211; invalid_column_reference\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\u4f86\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"understanding-the-error-bbTdAKEsjO\">\u7406\u89e3\u932f\u8aa4<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P10 &#8211; invalid_column_reference \u767c\u751f\u5728\u67e5\u8a62\u4e2d\u7684\u5217\u5f15\u7528\u4e0d\u5b58\u5728\u6216\u62fc\u5beb\u932f\u8aa4\u6642\u3002\u7576\u60a8\u5617\u8a66\u5f15\u7528\u6307\u5b9a\u8868\u4e2d\u4e0d\u5b58\u5728\u7684\u5217\uff0c\u6216\u5217\u540d\u62fc\u5beb\u932f\u8aa4\u6642\uff0c\u901a\u5e38\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/p>\n<h2 id=\"possible-causes-bbTdAKEsjO\">\u53ef\u80fd\u7684\u539f\u56e0<\/h2>\n<p>\u6b64\u932f\u8aa4\u53ef\u80fd\u7531\u5e7e\u500b\u6f5b\u5728\u539f\u56e0\u9020\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u5217\u540d\u62fc\u5beb\u932f\u8aa4\uff1a<\/strong>\u4ed4\u7d30\u6aa2\u67e5\u67e5\u8a62\u4e2d\u7684\u5217\u540d\uff0c\u4ee5\u78ba\u4fdd\u5b83\u8207\u8868\u4e2d\u7684\u5be6\u969b\u5217\u540d\u76f8\u7b26\u3002\u5373\u4f7f\u662f\u5c0f\u7684\u62fc\u5beb\u932f\u8aa4\u4e5f\u53ef\u80fd\u5c0e\u81f4 invalid_column_reference \u932f\u8aa4\u3002<\/li>\n<li><strong>\u7f3a\u5931\u7684\u5217\uff1a<\/strong>\u78ba\u8a8d\u60a8\u5f15\u7528\u7684\u5217\u662f\u5426\u5b58\u5728\u65bc\u6307\u5b9a\u7684\u8868\u4e2d\u3002\u5982\u679c\u8a72\u5217\u7f3a\u5931\uff0c\u60a8\u9700\u8981\u5728\u67e5\u8a62\u4e2d\u5f15\u7528\u4e4b\u524d\u5c07\u5176\u6dfb\u52a0\u5230\u8868\u4e2d\u3002<\/li>\n<li><strong>\u8868\u5225\u540d\uff1a<\/strong>\u5982\u679c\u60a8\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u8868\u5225\u540d\uff0c\u8acb\u78ba\u4fdd\u5217\u5f15\u7528\u5305\u542b\u6b63\u78ba\u7684\u5225\u540d\u3002\u4e0d\u6b63\u78ba\u7684\u5225\u540d\u53ef\u80fd\u5c0e\u81f4 invalid_column_reference \u932f\u8aa4\u3002<\/li>\n<li><strong>\u67b6\u69cb\u4e0d\u5339\u914d\uff1a<\/strong>\u5982\u679c\u60a8\u5728\u8655\u7406\u591a\u500b\u67b6\u69cb\uff0c\u8acb\u78ba\u4fdd\u60a8\u5f15\u7528\u7684\u8868\u548c\u5217\u5c6c\u65bc\u6b63\u78ba\u7684\u67b6\u69cb\u3002\u67b6\u69cb\u4e0d\u5339\u914d\u53ef\u80fd\u6703\u89f8\u767c\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-error-bbTdAKEsjO\">\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u4e00\u65e6\u60a8\u78ba\u5b9a\u4e86 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P10 &#8211; invalid_column_reference \u7684\u539f\u56e0\uff0c\u60a8\u53ef\u4ee5\u63a1\u53d6\u9069\u7576\u7684\u6b65\u9a5f\u4f86\u4fee\u5fa9\u5b83\uff1a<\/p>\n<h3 id=\"1-double-check-column-names-bbTdAKEsjO\">1. \u4ed4\u7d30\u6aa2\u67e5\u5217\u540d<\/h3>\n<p>\u6aa2\u67e5\u60a8\u7684\u67e5\u8a62\uff0c\u78ba\u4fdd\u5217\u540d\u62fc\u5beb\u6b63\u78ba\u3002\u6ce8\u610f\u5927\u5c0f\u5beb\u654f\u611f\u6027\uff0c\u56e0\u70ba PostgreSQL \u5c07\u5217\u540d\u8996\u70ba\u5927\u5c0f\u5beb\u654f\u611f\uff0c\u9664\u975e\u4f7f\u7528\u5f15\u865f\u3002\u4fee\u6b63\u5217\u540d\u4e2d\u7684\u4efb\u4f55\u62fc\u5beb\u932f\u8aa4\u3002<\/p>\n<h3 id=\"2-verify-column-existence-bbTdAKEsjO\">2. \u9a57\u8b49\u5217\u7684\u5b58\u5728<\/h3>\n<p>\u5982\u679c\u60a8\u5f15\u7528\u7684\u5217\u5728\u8868\u4e2d\u4e0d\u5b58\u5728\uff0c\u5247\u9700\u8981\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e4b\u524d\u5c07\u8a72\u5217\u6dfb\u52a0\u5230\u8868\u4e2d\u3002\u4f7f\u7528 ALTER TABLE \u8a9e\u53e5\u6dfb\u52a0\u7f3a\u5931\u7684\u5217\u3002<\/p>\n<pre><code>ALTER TABLE table_name ADD COLUMN column_name data_type;<\/code><\/pre>\n<p>\u5c07 <code>table_name<\/code> \u66ff\u63db\u70ba\u8868\u7684\u540d\u7a31\uff0c\u5c07 <code>column_name<\/code> \u66ff\u63db\u70ba\u7f3a\u5931\u7684\u5217\u540d\u3002\u70ba\u8a72\u5217\u6307\u5b9a\u9069\u7576\u7684 <code>data_type<\/code>\u3002<\/p>\n<h3 id=\"3-check-table-aliases-bbTdAKEsjO\">3. \u6aa2\u67e5\u8868\u5225\u540d<\/h3>\n<p>\u5982\u679c\u60a8\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u8868\u5225\u540d\uff0c\u8acb\u78ba\u4fdd\u5217\u5f15\u7528\u5305\u542b\u6b63\u78ba\u7684\u5225\u540d\u3002\u9a57\u8b49\u5225\u540d\u662f\u5426\u6b63\u78ba\u5b9a\u7fa9\u4e26\u8207\u60a8\u6253\u7b97\u5f15\u7528\u7684\u8868\u76f8\u7b26\u3002<\/p>\n<h3 id=\"4-verify-schema-bbTdAKEsjO\">4. \u9a57\u8b49\u67b6\u69cb<\/h3>\n<p>\u5982\u679c\u60a8\u5728\u8655\u7406\u591a\u500b\u67b6\u69cb\uff0c\u8acb\u78ba\u8a8d\u60a8\u5f15\u7528\u7684\u8868\u548c\u5217\u5c6c\u65bc\u6b63\u78ba\u7684\u67b6\u69cb\u3002\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u9069\u7576\u7684\u67b6\u69cb\u524d\u7db4\u4ee5\u907f\u514d\u4efb\u4f55\u67b6\u69cb\u4e0d\u5339\u914d\u3002<\/p>\n<h2 id=\"summary-bbTdAKEsjO\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42P10 &#8211; invalid_column_reference \u53ef\u80fd\u7531\u62fc\u5beb\u932f\u8aa4\u7684\u5217\u540d\u3001\u7f3a\u5931\u7684\u5217\u3001\u4e0d\u6b63\u78ba\u7684\u8868\u5225\u540d\u6216\u67b6\u69cb\u4e0d\u5339\u914d\u9020\u6210\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u8acb\u4ed4\u7d30\u6aa2\u67e5\u5217\u540d\u3001\u9a57\u8b49\u5217\u7684\u5b58\u5728\u3001\u6aa2\u67e5\u8868\u5225\u540d\u4e26\u78ba\u8a8d\u67b6\u69cb\u3002\u901a\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u89e3\u6c7a invalid_column_reference \u932f\u8aa4\uff0c\u78ba\u4fdd PostgreSQL \u6578\u64da\u5eab\u7684\u9806\u5229\u904b\u4f5c\u3002<\/p>\n<p>\u5982\u9700\u53ef\u9760\u4e14\u9ad8\u6027\u80fd\u7684 VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u6211\u5011\u7684\u9999\u6e2f VPS \u8a17\u7ba1\u670d\u52d9\u70ba\u60a8\u7684 PostgreSQL \u548c\u5176\u4ed6\u6578\u64da\u5eab\u9700\u6c42\u63d0\u4f9b\u4e00\u6d41\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u5fa9 PostgreSQL &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21430","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21430","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21430"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21430\/revisions"}],"predecessor-version":[{"id":24056,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21430\/revisions\/24056"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}