{"id":178812,"date":"2024-11-08T21:06:20","date_gmt":"2024-11-08T13:06:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178812\/"},"modified":"2024-11-08T21:06:20","modified_gmt":"2024-11-08T13:06:20","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%9a23001-restrict_violation%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178812\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a23001 &#8211; restrict_violation\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%9a23001-restrict_violation-ZlGGKITwvm\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a23001 &#8211; restrict_violation<\/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\u78bc23001\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u88ab\u7a31\u70ba\u201crestrict_violation\u201d\u3002\u9019\u500b\u932f\u8aa4\u4e3b\u8981\u767c\u751f\u5728\u5617\u8a66\u522a\u9664\u6216\u66f4\u65b0\u4e00\u500b\u8868\u4e2d\u7684\u884c\u6642\uff0c\u800c\u9019\u4e9b\u884c\u5728\u5176\u4ed6\u8868\u4e2d\u4ecd\u7136\u88ab\u5f15\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc23001%e7%9a%84%e5%8e%9f%e5%9b%a0-ZlGGKITwvm\">\u932f\u8aa4\u4ee3\u78bc23001\u7684\u539f\u56e0<\/h2>\n<p>PostgreSQL\u7684\u201crestrict_violation\u201d\u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u5916\u9375\u7d04\u675f\u7684\u5b58\u5728\u3002\u7576\u4e00\u500b\u8868\uff08\u7236\u8868\uff09\u4e2d\u7684\u884c\u88ab\u5176\u4ed6\u8868\uff08\u5b50\u8868\uff09\u5f15\u7528\u6642\uff0c\u9019\u4e9b\u884c\u4e0d\u80fd\u88ab\u522a\u9664\u6216\u66f4\u65b0\uff0c\u9664\u975e\u5148\u8655\u7406\u9019\u4e9b\u5f15\u7528\u3002\u9019\u662f\u70ba\u4e86\u4fdd\u6301\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u51fa\u73fe\u5b64\u7acb\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-ZlGGKITwvm\">\u793a\u4f8b<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u8868\uff1a<code>orders<\/code>\u548c<code>customers<\/code>\u3002<code>orders<\/code>\u8868\u4e2d\u7684\u6bcf\u4e00\u500b\u8a02\u55ae\u90fd\u5fc5\u9808\u5c0d\u61c9\u4e00\u500b\u5ba2\u6236\uff0c\u800c\u9019\u500b\u95dc\u4fc2\u662f\u901a\u904e\u5916\u9375\u7d04\u675f\u4f86\u5be6\u73fe\u7684\u3002\u5982\u679c\u6211\u5011\u5617\u8a66\u522a\u9664\u4e00\u500b\u5ba2\u6236\uff0c\u800c\u8a72\u5ba2\u6236\u4ecd\u7136\u6709\u672a\u5b8c\u6210\u7684\u8a02\u55ae\uff0c\u5247\u6703\u51fa\u73fe23001\u932f\u8aa4\u3002<\/p>\n<pre><code>DELETE FROM customers WHERE id = 1;<\/code><\/pre>\n<p>\u5982\u679c\u5ba2\u6236ID\u70ba1\u7684\u5ba2\u6236\u5728<code>orders<\/code>\u8868\u4e2d\u4ecd\u7136\u6709\u8a02\u55ae\uff0c\u5247\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a923001%e9%8c%af%e8%aa%a4-ZlGGKITwvm\">\u5982\u4f55\u4fee\u5fa923001\u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-ZlGGKITwvm\">1. \u6aa2\u67e5\u5916\u9375\u7d04\u675f<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u5c0e\u81f4\u932f\u8aa4\u7684\u5916\u9375\u7d04\u675f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u627e\u76f8\u95dc\u7684\u5916\u9375\u7d04\u675f\uff1a<\/p>\n<pre><code>SELECT\n    conname AS constraint_name,\n    conrelid::regclass AS table_name,\n    a.attname AS column_name\nFROM\n    pg_constraint AS c\nJOIN\n    pg_attribute AS a ON a.attnum = ANY(c.conkey) AND a.attrelid = c.conrelid\nWHERE\n    c.contype = 'f' AND c.conrelid = 'orders'::regclass;<\/code><\/pre>\n<h3 id=\"2-%e5%88%aa%e9%99%a4%e6%88%96%e6%9b%b4%e6%96%b0%e5%bc%95%e7%94%a8%e7%9a%84%e8%a1%8c-ZlGGKITwvm\">2. \u522a\u9664\u6216\u66f4\u65b0\u5f15\u7528\u7684\u884c<\/h3>\n<p>\u5728\u522a\u9664\u6216\u66f4\u65b0\u7236\u8868\u4e2d\u7684\u884c\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5148\u522a\u9664\u6216\u66f4\u65b0\u6240\u6709\u5f15\u7528\u9019\u4e9b\u884c\u7684\u5b50\u8868\u4e2d\u7684\u884c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u8981\u522a\u9664\u5ba2\u6236\uff0c\u60a8\u9700\u8981\u5148\u522a\u9664\u8a72\u5ba2\u6236\u7684\u6240\u6709\u8a02\u55ae\uff1a<\/p>\n<pre><code>DELETE FROM orders WHERE customer_id = 1;<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8cascade%e9%81%b8%e9%a0%85-ZlGGKITwvm\">3. \u4f7f\u7528CASCADE\u9078\u9805<\/h3>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u5728\u522a\u9664\u7236\u8868\u4e2d\u7684\u884c\u6642\u81ea\u52d5\u522a\u9664\u5b50\u8868\u4e2d\u7684\u76f8\u95dc\u884c\uff0c\u53ef\u4ee5\u5728\u5275\u5efa\u5916\u9375\u7d04\u675f\u6642\u4f7f\u7528<code>ON DELETE CASCADE<\/code>\u9078\u9805\u3002\u9019\u6a23\uff0c\u7576\u7236\u8868\u4e2d\u7684\u884c\u88ab\u522a\u9664\u6642\uff0c\u6240\u6709\u5f15\u7528\u8a72\u884c\u7684\u5b50\u8868\u884c\u4e5f\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<pre><code>ALTER TABLE orders\nADD CONSTRAINT fk_customer\nFOREIGN KEY (customer_id)\nREFERENCES customers(id)\nON DELETE CASCADE;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZlGGKITwvm\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc23001 &#8211; restrict_violation\u901a\u5e38\u662f\u7531\u65bc\u5916\u9375\u7d04\u675f\u5c0e\u81f4\u7684\uff0c\u9019\u662f\u70ba\u4e86\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u901a\u904e\u6aa2\u67e5\u5916\u9375\u7d04\u675f\u3001\u522a\u9664\u6216\u66f4\u65b0\u5f15\u7528\u7684\u884c\uff0c\u6216\u4f7f\u7528CASCADE\u9078\u9805\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u6982\u5ff5\u5c0d\u65bc\u7dad\u8b77\u6578\u64da\u5eab\u7684\u5065\u5eb7\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc23001 &#8211; restrict_violation\uff0c\u89e3\u6c7a\u5916\u9375\u7d04\u675f\u9055\u53cd\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\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-178812","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178812","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=178812"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178812\/revisions"}],"predecessor-version":[{"id":178813,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178812\/revisions\/178813"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}