{"id":178810,"date":"2024-11-08T21:05:21","date_gmt":"2024-11-08T13:05:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178810\/"},"modified":"2024-11-08T21:05:21","modified_gmt":"2024-11-08T13:05:21","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%9a23000-integrity_constraint_violation%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178810\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a23000 &#8211; integrity_constraint_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%9a23000-integrity_constraint_violation-fiqDMxKGSy\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a23000 &#8211; integrity_constraint_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\u78bc23000\uff0c\u9019\u8868\u793a\u767c\u751f\u4e86\u5b8c\u6574\u6027\u7d04\u675f\u9055\u898f\uff08integrity constraint violation\uff09\u3002\u9019\u7a2e\u932f\u8aa4\u901a\u5e38\u8207\u6578\u64da\u7684\u552f\u4e00\u6027\u3001\u5916\u9375\u7d04\u675f\u6216\u6aa2\u67e5\u7d04\u675f\u6709\u95dc\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e5%ae%8c%e6%95%b4%e6%80%a7%e7%b4%84%e6%9d%9f%e7%9a%84%e9%a1%9e%e5%9e%8b-fiqDMxKGSy\">\u5b8c\u6574\u6027\u7d04\u675f\u7684\u985e\u578b<\/h2>\n<p>\u5728\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3PostgreSQL\u4e2d\u7684\u5b8c\u6574\u6027\u7d04\u675f\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u552f\u4e00\u7d04\u675f\uff08UNIQUE Constraint\uff09<\/strong>\uff1a\u78ba\u4fdd\u67d0\u4e00\u5217\u6216\u591a\u5217\u7684\u503c\u5728\u6574\u500b\u8868\u4e2d\u662f\u552f\u4e00\u7684\u3002<\/li>\n<li><strong>\u4e3b\u9375\u7d04\u675f\uff08PRIMARY KEY Constraint\uff09<\/strong>\uff1a\u9019\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u552f\u4e00\u7d04\u675f\uff0c\u78ba\u4fdd\u6bcf\u4e00\u884c\u90fd\u6709\u552f\u4e00\u7684\u6a19\u8b58\u3002<\/li>\n<li><strong>\u5916\u9375\u7d04\u675f\uff08FOREIGN KEY Constraint\uff09<\/strong>\uff1a\u78ba\u4fdd\u4e00\u5217\u7684\u503c\u5fc5\u9808\u5728\u53e6\u4e00\u8868\u7684\u4e3b\u9375\u4e2d\u5b58\u5728\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u7d04\u675f\uff08CHECK Constraint\uff09<\/strong>\uff1a\u78ba\u4fdd\u5217\u4e2d\u7684\u503c\u7b26\u5408\u7279\u5b9a\u689d\u4ef6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc23000%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-fiqDMxKGSy\">\u932f\u8aa4\u4ee3\u78bc23000\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728PostgreSQL\u4e2d\u57f7\u884c\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u9047\u523023000\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u8907\u7684\u552f\u4e00\u503c<\/strong>\uff1a\u7576\u4f60\u5617\u8a66\u63d2\u5165\u4e00\u500b\u5df2\u5b58\u5728\u65bc\u8868\u4e2d\u7684\u552f\u4e00\u503c\u6642\uff0c\u6703\u89f8\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5916\u9375\u7d04\u675f\u9055\u898f<\/strong>\uff1a\u5982\u679c\u4f60\u5617\u8a66\u63d2\u5165\u4e00\u500b\u5728\u5916\u9375\u7d04\u675f\u4e2d\u4e0d\u5b58\u5728\u7684\u503c\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u7d04\u675f\u9055\u898f<\/strong>\uff1a\u7576\u63d2\u5165\u7684\u6578\u64da\u4e0d\u7b26\u5408\u6aa2\u67e5\u7d04\u675f\u7684\u689d\u4ef6\u6642\uff0c\u6703\u5c0e\u81f4\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%bc23000-fiqDMxKGSy\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc23000<\/h2>\n<p>\u4fee\u5fa923000\u932f\u8aa4\u7684\u5177\u9ad4\u6b65\u9a5f\u53d6\u6c7a\u65bc\u932f\u8aa4\u7684\u6839\u672c\u539f\u56e0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%94%af%e4%b8%80%e7%b4%84%e6%9d%9f-fiqDMxKGSy\">1. \u6aa2\u67e5\u552f\u4e00\u7d04\u675f<\/h3>\n<pre><code>SELECT * FROM your_table WHERE unique_column = 'value';\n<\/code><\/pre>\n<p>\u5728\u63d2\u5165\u6578\u64da\u4e4b\u524d\uff0c\u5148\u6aa2\u67e5\u8a72\u503c\u662f\u5426\u5df2\u5b58\u5728\u65bc\u8868\u4e2d\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u9700\u8981\u9078\u64c7\u4e0d\u540c\u7684\u503c\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-fiqDMxKGSy\">2. \u6aa2\u67e5\u5916\u9375\u7d04\u675f<\/h3>\n<pre><code>SELECT * FROM referenced_table WHERE id = 'foreign_key_value';\n<\/code><\/pre>\n<p>\u78ba\u4fdd\u4f60\u8981\u63d2\u5165\u7684\u5916\u9375\u503c\u5728\u53c3\u8003\u8868\u4e2d\u5b58\u5728\u3002\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u9700\u8981\u5148\u63d2\u5165\u76f8\u61c9\u7684\u8a18\u9304\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%aa%a2%e6%9f%a5%e7%b4%84%e6%9d%9f-fiqDMxKGSy\">3. \u6aa2\u67e5\u6aa2\u67e5\u7d04\u675f<\/h3>\n<p>\u6aa2\u67e5\u7d04\u675f\u7684\u689d\u4ef6\u53ef\u80fd\u6703\u9650\u5236\u4f60\u63d2\u5165\u7684\u6578\u64da\u3002\u78ba\u4fdd\u4f60\u63d2\u5165\u7684\u6578\u64da\u7b26\u5408\u6240\u6709\u6aa2\u67e5\u7d04\u675f\u7684\u689d\u4ef6\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99-fiqDMxKGSy\">4. \u4f7f\u7528\u4e8b\u52d9<\/h3>\n<p>\u5728\u9032\u884c\u591a\u500b\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7ba1\u7406\u932f\u8aa4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>BEGIN;\nINSERT INTO your_table (column1, column2) VALUES ('value1', 'value2');\nCOMMIT;\n<\/code><\/pre>\n<p>\u5982\u679c\u5728\u4e8b\u52d9\u4e2d\u767c\u751f\u932f\u8aa4\uff0c\u53ef\u4ee5\u4f7f\u7528ROLLBACK\u4f86\u64a4\u92b7\u6240\u6709\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fiqDMxKGSy\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc23000\u901a\u5e38\u8207\u5b8c\u6574\u6027\u7d04\u675f\u9055\u898f\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u552f\u4e00\u7d04\u675f\u3001\u5916\u9375\u7d04\u675f\u548c\u6aa2\u67e5\u7d04\u675f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5b9a\u4f4d\u548c\u4fee\u5fa9\u9019\u4e9b\u932f\u8aa4\u3002\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc23000\uff1a\u5b8c\u6574\u6027\u7d04\u675f\u9055\u898f\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6578\u64da\u4e00\u81f4\u6027\u548c\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-178810","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178810","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=178810"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178810\/revisions"}],"predecessor-version":[{"id":178811,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178810\/revisions\/178811"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}