{"id":178684,"date":"2024-11-08T20:01:20","date_gmt":"2024-11-08T12:01:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178684\/"},"modified":"2024-11-08T20:01:21","modified_gmt":"2024-11-08T12:01:21","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%9a22005-error_in_assignment%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178684\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22005 &#8211; error_in_assignment\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%9a22005-error_in_assignment-SDmWoDwjTw\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22005 &#8211; error_in_assignment<\/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\u78bc22005\uff0c\u901a\u5e38\u986f\u793a\u70ba\u201cerror_in_assignment\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u6578\u64da\u8f49\u63db\u5931\u6557\u6709\u95dc\u3002\u672c\u6587\u5c07\u6df1\u5165\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%bc22005%e7%9a%84%e6%88%90%e5%9b%a0-SDmWoDwjTw\">\u932f\u8aa4\u4ee3\u78bc22005\u7684\u6210\u56e0<\/h2>\n<p>PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc22005\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u6578\u64da\u985e\u578b\u7684\u503c\u8ce6\u7d66\u53e6\u4e00\u500b\u4e0d\u517c\u5bb9\u7684\u6578\u64da\u985e\u578b\u6642\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5b57\u7b26\u4e32\u8ce6\u503c\u7d66\u4e00\u500b\u6574\u6578\u985e\u578b\u7684\u6b04\u4f4d\u3002<\/li>\n<li><strong>\u7121\u6cd5\u8f49\u63db\u7684\u6578\u64da\uff1a<\/strong>\u5982\u679c\u6578\u64da\u7684\u683c\u5f0f\u4e0d\u7b26\u5408\u76ee\u6a19\u6578\u64da\u985e\u578b\u7684\u8981\u6c42\uff0cPostgreSQL\u5c07\u7121\u6cd5\u9032\u884c\u8f49\u63db\uff0c\u5f9e\u800c\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7a7a\u503c\u8655\u7406\u4e0d\u7576\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5c0d\u65bc\u7a7a\u503c\u7684\u8655\u7406\u4e0d\u7576\u4e5f\u53ef\u80fd\u5f15\u767c\u6b64\u932f\u8aa4\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u6578\u64da\u63d2\u5165\u6216\u66f4\u65b0\u6642\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%bc22005-SDmWoDwjTw\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc22005<\/h2>\n<p>\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc22005\u7684\u5177\u9ad4\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-SDmWoDwjTw\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u6b63\u5728\u64cd\u4f5c\u7684\u6578\u64da\u985e\u578b\u3002\u78ba\u4fdd\u4f60\u8981\u8ce6\u503c\u7684\u6578\u64da\u985e\u578b\u8207\u76ee\u6a19\u6b04\u4f4d\u7684\u6578\u64da\u985e\u578b\u76f8\u7b26\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684\u8868\u683c\u4e2d\u6709\u4e00\u500b\u6574\u6578\u6b04\u4f4d\uff0c\u8acb\u78ba\u4fdd\u4f60\u8ce6\u503c\u7684\u6578\u64da\u662f\u6574\u6578\uff0c\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u985e\u578b\u3002<\/p>\n<pre><code>-- \u5047\u8a2d\u6709\u4e00\u500b\u8868\u683c\nCREATE TABLE example (\n    id SERIAL PRIMARY KEY,\n    age INT\n);\n\n-- \u932f\u8aa4\u7684\u63d2\u5165\u793a\u4f8b\nINSERT INTO example (age) VALUES ('twenty'); -- \u9019\u5c07\u5f15\u767c22005\u932f\u8aa4\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%95%b8%e6%93%9a%e6%a0%bc%e5%bc%8f-SDmWoDwjTw\">2. \u4f7f\u7528\u6b63\u78ba\u7684\u6578\u64da\u683c\u5f0f<\/h3>\n<p>\u5982\u679c\u4f60\u9700\u8981\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u6578\u5b57\uff0c\u8acb\u4f7f\u7528\u9069\u7576\u7684\u8f49\u63db\u51fd\u6578\u3002\u4f8b\u5982\uff0c\u4f7f\u7528CAST\u6216::\u904b\u7b97\u7b26\u4f86\u9032\u884c\u985e\u578b\u8f49\u63db\u3002<\/p>\n<pre><code>-- \u6b63\u78ba\u7684\u63d2\u5165\u793a\u4f8b\nINSERT INTO example (age) VALUES (CAST('20' AS INT)); -- \u6216\u8005\u4f7f\u7528\nINSERT INTO example (age) VALUES ('20'::INT);\n<\/code><\/pre>\n<h3 id=\"3-%e8%99%95%e7%90%86%e7%a9%ba%e5%80%bc-SDmWoDwjTw\">3. \u8655\u7406\u7a7a\u503c<\/h3>\n<p>\u5728\u9032\u884c\u6578\u64da\u63d2\u5165\u6216\u66f4\u65b0\u6642\uff0c\u78ba\u4fdd\u6b63\u78ba\u8655\u7406\u7a7a\u503c\u3002\u5c0d\u65bc\u4e0d\u5141\u8a31\u7a7a\u503c\u7684\u6b04\u4f4d\uff0c\u8acb\u78ba\u4fdd\u5728\u63d2\u5165\u6578\u64da\u6642\u63d0\u4f9b\u6709\u6548\u7684\u503c\u3002<\/p>\n<pre><code>-- \u78ba\u4fdd\u4e0d\u63d2\u5165\u7a7a\u503c\nINSERT INTO example (age) VALUES (NULL); -- \u9019\u5c07\u5f15\u767c\u932f\u8aa4\uff0c\u9664\u975eage\u6b04\u4f4d\u5141\u8a31\u7a7a\u503c\n<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e4%be%86%e6%ba%90-SDmWoDwjTw\">4. \u6aa2\u67e5\u6578\u64da\u4f86\u6e90<\/h3>\n<p>\u5982\u679c\u6578\u64da\u662f\u5f9e\u5916\u90e8\u4f86\u6e90\u5c0e\u5165\u7684\uff0c\u8acb\u6aa2\u67e5\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u683c\u5f0f\u3002\u78ba\u4fdd\u6240\u6709\u6578\u64da\u90fd\u7b26\u5408\u9810\u671f\u7684\u683c\u5f0f\u548c\u985e\u578b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SDmWoDwjTw\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc22005\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u6578\u64da\u8f49\u63db\u5931\u6557\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u4f7f\u7528\u6b63\u78ba\u7684\u6578\u64da\u683c\u5f0f\u3001\u59a5\u5584\u8655\u7406\u7a7a\u503c\u4ee5\u53ca\u6aa2\u67e5\u6578\u64da\u4f86\u6e90\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u5728\u904b\u884c\u6642\u4e0d\u6703\u53d7\u5230\u6578\u64da\u5eab\u932f\u8aa4\u7684\u5f71\u97ff\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc22005 &#8211; error_in_assignment\uff0c\u89e3\u6c7a\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u6b63\u78ba\u8655\u7406\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-178684","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178684","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=178684"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178684\/revisions"}],"predecessor-version":[{"id":178685,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178684\/revisions\/178685"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}