{"id":96740,"date":"2024-10-20T11:58:17","date_gmt":"2024-10-20T03:58:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96740\/"},"modified":"2024-10-20T11:58:18","modified_gmt":"2024-10-20T03:58:18","slug":"postgresql-22005-error_in_assignment-%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\/96740\/","title":{"rendered":"PostgreSQL 22005: error_in_assignment \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"postgresql-22005-error_in_assignment-%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-CTsSwMuMer\">PostgreSQL 22005: error_in_assignment \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\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>22005: error_in_assignment<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u6578\u64da\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u6210\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%e6%88%90%e5%9b%a0-CTsSwMuMer\">\u932f\u8aa4\u6210\u56e0<\/h2>\n<p>PostgreSQL \u7684 <code>22005: error_in_assignment<\/code> \u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\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\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5b57\u7b26\u4e32\u8ce6\u503c\u7d66\u4e00\u500b\u6574\u6578\u985e\u578b\u7684\u5b57\u6bb5\u3002<\/li>\n<li><strong>NULL \u503c\u8655\u7406\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7576\u4f60\u5617\u8a66\u5c07 NULL \u503c\u8ce6\u7d66\u4e00\u500b\u4e0d\u5141\u8a31 NULL \u7684\u5b57\u6bb5\u6642\uff0c\u4e5f\u53ef\u80fd\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u683c\u5f0f\u4e0d\u6b63\u78ba\uff1a<\/strong>\u5982\u679c\u4f60\u5728\u63d2\u5165\u65e5\u671f\u6216\u6642\u9593\u985e\u578b\u7684\u6578\u64da\u6642\uff0c\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u683c\u5f0f\uff0c\u4e5f\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%a4%ba%e4%be%8b-CTsSwMuMer\">\u932f\u8aa4\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5f15\u767c <code>22005: error_in_assignment<\/code> \u932f\u8aa4\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    name VARCHAR(100),\n    age INT\n);\n\nINSERT INTO users (name, age) VALUES ('Alice', 'twenty');\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u56e0\u70ba\u6211\u5011\u8a66\u5716\u5c07\u5b57\u7b26\u4e32 &#8216;twenty&#8217; \u8ce6\u503c\u7d66\u6574\u6578\u985e\u578b\u7684 <code>age<\/code> \u5b57\u6bb5\uff0c\u9019\u5c07\u5c0e\u81f4 <code>22005: error_in_assignment<\/code> \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-CTsSwMuMer\">\u6545\u969c\u4fee\u5fa9<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u958b\u767c\u8005\u9700\u8981\u6aa2\u67e5 SQL \u8a9e\u53e5\u4e2d\u7684\u6578\u64da\u985e\u578b\uff0c\u78ba\u4fdd\u5b83\u5011\u8207\u8868\u4e2d\u5b9a\u7fa9\u7684\u985e\u578b\u76f8\u5339\u914d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4fee\u5fa9\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\u6578\u64da\u985e\u578b\uff1a<\/strong>\u78ba\u4fdd\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u985e\u578b\u8207\u8868\u4e2d\u5b9a\u7fa9\u7684\u985e\u578b\u4e00\u81f4\u3002\u4f8b\u5982\uff0c\u5c07\u5b57\u7b26\u4e32 &#8217;20&#8217; \u8f49\u63db\u70ba\u6574\u6578\uff1a<\/li>\n<pre><code>INSERT INTO users (name, age) VALUES ('Alice', 20);\n<\/code><\/pre>\n<li><strong>\u4f7f\u7528 CAST \u51fd\u6578\uff1a<\/strong>\u5982\u679c\u9700\u8981\u5c07\u6578\u64da\u985e\u578b\u9032\u884c\u8f49\u63db\uff0c\u53ef\u4ee5\u4f7f\u7528 CAST \u51fd\u6578\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>INSERT INTO users (name, age) VALUES ('Alice', CAST('20' AS INT));\n<\/code><\/pre>\n<li><strong>\u6aa2\u67e5 NULL \u503c\uff1a<\/strong>\u78ba\u4fdd\u4e0d\u6703\u5c07 NULL \u503c\u8ce6\u7d66\u4e0d\u5141\u8a31 NULL \u7684\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-CTsSwMuMer\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7a\u6b64\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u5982 SSH \u6216 VNC \u7b49\u5de5\u5177\uff0c\u9060\u7a0b\u9023\u63a5\u5230\u6578\u64da\u5eab\u670d\u52d9\u5668\uff0c\u9032\u884c\u6545\u969c\u6392\u67e5\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6a94\u6848\u6aa2\u67e5\uff1a<\/strong>\u6aa2\u67e5 PostgreSQL \u7684\u65e5\u8a8c\u6a94\u6848\uff0c\u5c0b\u627e\u6709\u95dc\u932f\u8aa4\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u9019\u6709\u52a9\u65bc\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<li><strong>\u57f7\u884c SQL \u8a9e\u53e5\uff1a<\/strong>\u5728\u9060\u7a0b\u74b0\u5883\u4e2d\u57f7\u884c SQL \u8a9e\u53e5\uff0c\u4e26\u89c0\u5bdf\u662f\u5426\u80fd\u91cd\u73fe\u932f\u8aa4\uff0c\u4ee5\u4fbf\u9032\u4e00\u6b65\u5206\u6790\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CTsSwMuMer\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u7684 <code>22005: error_in_assignment<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u4e0d\u6b63\u78ba\u7684\u6578\u64da\u683c\u5f0f\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 SQL \u8a9e\u53e5\u4e2d\u7684\u6578\u64da\u985e\u578b\uff0c\u4e26\u4f7f\u7528\u9069\u7576\u7684\u8f49\u63db\u51fd\u6578\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u6b64\u5916\uff0c\u9060\u7a0b\u8655\u7406\u5de5\u5177\u548c\u65e5\u8a8c\u6a94\u6848\u7684\u6aa2\u67e5\u4e5f\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\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\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a PostgreSQL 22005: error_in_assignment \u932f\u8aa4\u7684\u6545\u969c\u4fee\u5fa9\u6307\u5357\uff0c\u63d0\u4f9b\u9060\u7a0b\u8655\u7406\u6b65\u9a5f\uff0c\u52a9\u60a8\u5feb\u901f\u6062\u5fa9\u6578\u64da\u5eab\u6b63\u5e38\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-96740","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96740","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=96740"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96740\/revisions"}],"predecessor-version":[{"id":96741,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96740\/revisions\/96741"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}