{"id":21348,"date":"2024-01-02T07:53:25","date_gmt":"2024-01-02T07:53:25","guid":{"rendered":"https:\/\/server.hk\/blog\/21348\/"},"modified":"2024-11-14T10:36:15","modified_gmt":"2024-11-14T02:36:15","slug":"how-to-fix-postgresql-error-code-23p01-exclusion_violation","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21348\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-23p01-exclusion_violation-NNKfrlMULT\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u985e\u61c9\u7528\u7a0b\u5f0f\u3002\u7136\u800c\uff0c\u8207\u4efb\u4f55\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u4e5f\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u5f9e\u800c\u5f71\u97ff\u5176\u6b63\u5e38\u904b\u884c\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u4fbf\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u542b\u7fa9\u4ee5\u53ca\u5982\u4f55\u89e3\u6c7a\u5b83\u3002<\/p>\n<h2 id=\"understanding-the-postgresql-error-code-23p01-exclusion_violation-NNKfrlMULT\">\u7406\u89e3 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation \u767c\u751f\u5728\u4e00\u884c\u65b0\u6578\u64da\u9055\u53cd\u4e86\u5b9a\u7fa9\u5728\u8868\u4e0a\u7684\u6392\u4ed6\u6027\u7d04\u675f\u6642\u3002\u6392\u4ed6\u6027\u7d04\u675f\u7528\u65bc\u78ba\u4fdd\u540c\u4e00\u5f35\u8868\u4e2d\u7684\u5169\u884c\u4e0d\u6703\u540c\u6642\u6eff\u8db3\u7279\u5b9a\u7684\u689d\u4ef6\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u5411\u5177\u6709\u6392\u4ed6\u6027\u7d04\u675f\u7684\u8868\u4e2d\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\u3002<\/p>\n<p>\u7576\u9019\u500b\u932f\u8aa4\u767c\u751f\u6642\uff0cPostgreSQL \u6703\u63d0\u4f9b\u6709\u95dc\u9055\u53cd\u7d04\u675f\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5e6b\u52a9\u4f60\u8b58\u5225\u554f\u984c\u7684\u539f\u56e0\u3002\u932f\u8aa4\u8a0a\u606f\u6703\u5305\u542b\u88ab\u9055\u53cd\u7684\u7d04\u675f\u540d\u7a31\u3001\u8868\u540d\u4ee5\u53ca\u5c0e\u81f4\u9055\u53cd\u7684\u6578\u64da\u503c\u3002<\/p>\n<h2 id=\"fixing-the-postgresql-error-code-23p01-exclusion_violation-NNKfrlMULT\">\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation<\/h2>\n<p>\u8981\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation\uff0c\u4f60\u9700\u8981\u8b58\u5225\u88ab\u9055\u53cd\u7684\u7d04\u675f\u4e26\u63a1\u53d6\u9069\u7576\u7684\u63aa\u65bd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u4ee5\u9075\u5faa\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"step-1-identify-the-constraint-NNKfrlMULT\">\u6b65\u9a5f 1\uff1a\u8b58\u5225\u7d04\u675f<\/h3>\n<p>\u7576\u4f60\u9047\u5230 exclusion_violation \u932f\u8aa4\u6642\uff0cPostgreSQL \u6703\u63d0\u4f9b\u88ab\u9055\u53cd\u7684\u7d04\u675f\u540d\u7a31\u3002\u4f7f\u7528\u9019\u4e9b\u4fe1\u606f\u4f86\u5b9a\u4f4d\u6578\u64da\u5eab\u6a21\u5f0f\u4e2d\u7684\u7d04\u675f\u5b9a\u7fa9\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u82e5\u932f\u8aa4\u8a0a\u606f\u6307\u51fa &#8220;unique_email&#8221; \u7d04\u675f\u5728 &#8220;users&#8221; \u8868\u4e0a\u88ab\u9055\u53cd\uff0c\u4f60\u53ef\u4ee5\u5728\u8a72\u8868\u7684\u6a21\u5f0f\u4e2d\u641c\u7d22 &#8220;unique_email&#8221; \u7d04\u675f\u5b9a\u7fa9\u3002<\/p>\n<h3 id=\"step-2-analyze-the-constraint-definition-NNKfrlMULT\">\u6b65\u9a5f 2\uff1a\u5206\u6790\u7d04\u675f\u5b9a\u7fa9<\/h3>\n<p>\u627e\u5230\u7d04\u675f\u5b9a\u7fa9\u5f8c\uff0c\u5206\u6790\u5176\u689d\u4ef6\u4ee5\u4e86\u89e3\u9055\u53cd\u7684\u539f\u56e0\u3002\u6392\u4ed6\u6027\u7d04\u675f\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u904b\u7b97\u7b26\u4f86\u5b9a\u7fa9\uff0c\u4f8b\u5982 &#8220;=&#8221;\u3001&#8221;&lt;&#8220;\u3001&#8221;&gt;&#8221;\u3001&#8221;!=&#8221; \u548c\u7bc4\u570d\u904b\u7b97\u7b26 &#8220;&amp;&amp;&#8221; \u53ca &#8220;@&gt;&#8221;\u3002\u78ba\u4fdd\u7d04\u675f\u689d\u4ef6\u5b9a\u7fa9\u6b63\u78ba\uff0c\u4e26\u7b26\u5408\u4f60\u7684\u6578\u64da\u8981\u6c42\u3002<\/p>\n<h3 id=\"step-3-identify-the-violating-data-NNKfrlMULT\">\u6b65\u9a5f 3\uff1a\u8b58\u5225\u9055\u898f\u6578\u64da<\/h3>\n<p>\u932f\u8aa4\u8a0a\u606f\u9084\u63d0\u4f9b\u4e86\u5c0e\u81f4\u9055\u53cd\u7684\u6578\u64da\u503c\u3002\u5206\u6790\u9019\u4e9b\u503c\uff0c\u627e\u51fa\u53ef\u80fd\u5c0e\u81f4\u9055\u898f\u7684\u6a21\u5f0f\u6216\u4e0d\u4e00\u81f4\u6027\u3002\u6aa2\u67e5\u662f\u5426\u6709\u4efb\u4f55\u91cd\u8907\u6216\u885d\u7a81\u7684\u6578\u64da\u9055\u53cd\u4e86\u7d04\u675f\u689d\u4ef6\u3002<\/p>\n<h3 id=\"step-4-resolve-the-violation-NNKfrlMULT\">\u6b65\u9a5f 4\uff1a\u89e3\u6c7a\u9055\u898f\u554f\u984c<\/h3>\n<p>\u4e00\u65e6\u8b58\u5225\u51fa\u7d04\u675f\u548c\u9055\u898f\u6578\u64da\uff0c\u4f60\u53ef\u4ee5\u63a1\u53d6\u9069\u7576\u63aa\u65bd\u4f86\u89e3\u6c7a\u9055\u898f\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u4fee\u6539\u6578\u64da\uff1a\u5982\u679c\u9055\u898f\u6578\u64da\u4e0d\u6b63\u78ba\u6216\u6709\u885d\u7a81\uff0c\u4f60\u53ef\u4ee5\u66f4\u65b0\u6216\u522a\u9664\u9019\u4e9b\u884c\uff0c\u4f7f\u5176\u7b26\u5408\u7d04\u675f\u689d\u4ef6\u3002<\/li>\n<li>\u4fee\u6539\u7d04\u675f\uff1a\u5982\u679c\u7d04\u675f\u689d\u4ef6\u904e\u65bc\u56b4\u683c\u6216\u4e0d\u7b26\u5408\u4f60\u7684\u6578\u64da\u9700\u6c42\uff0c\u4f60\u53ef\u4ee5\u4fee\u6539\u7d04\u675f\u5b9a\u7fa9\uff0c\u5141\u8a31\u6240\u9700\u7684\u6578\u64da\u3002<\/li>\n<li>\u91cd\u65b0\u8003\u616e\u6578\u64da\u6a21\u578b\uff1a\u5982\u679c\u7d93\u5e38\u9047\u5230 exclusion_violation \u932f\u8aa4\uff0c\u9019\u53ef\u80fd\u8868\u660e\u4f60\u7684\u6578\u64da\u6a21\u578b\u5b58\u5728\u7f3a\u9677\u3002\u8003\u616e\u91cd\u65b0\u6aa2\u8996\u4f60\u7684\u6578\u64da\u6a21\u578b\u548c\u7d04\u675f\uff0c\u78ba\u4fdd\u5b83\u5011\u6e96\u78ba\u53cd\u6620\u4f60\u7684\u696d\u52d9\u908f\u8f2f\u3002<\/li>\n<\/ul>\n<h3 id=\"step-5-test-and-monitor-NNKfrlMULT\">\u6b65\u9a5f 5\uff1a\u6e2c\u8a66\u4e26\u76e3\u63a7<\/h3>\n<p>\u89e3\u6c7a\u9055\u898f\u554f\u984c\u5f8c\uff0c\u8acb\u5fb9\u5e95\u6e2c\u8a66\u4f60\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u78ba\u4fdd\u932f\u8aa4\u4e0d\u518d\u767c\u751f\u3002\u76e3\u63a7\u6578\u64da\u5eab\u4e2d\u662f\u5426\u51fa\u73fe\u985e\u4f3c\u932f\u8aa4\uff0c\u4e26\u63a1\u53d6\u4e3b\u52d5\u63aa\u65bd\u4ee5\u9632\u6b62\u5b83\u5011\u5728\u672a\u4f86\u518d\u6b21\u767c\u751f\u3002<\/p>\n<h2 id=\"conclusion-NNKfrlMULT\">\u7d50\u8ad6<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a23P01 &#8211; exclusion_violation \u53ef\u4ee5\u901a\u904e\u8b58\u5225\u88ab\u9055\u53cd\u7684\u7d04\u675f\u3001\u5206\u6790\u5176\u5b9a\u7fa9\u3001\u627e\u51fa\u9055\u898f\u6578\u64da\u4e26\u63a1\u53d6\u9069\u7576\u63aa\u65bd\u4f86\u89e3\u6c7a\u3002\u901a\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\u4e26\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\uff0c\u4f60\u53ef\u4ee5\u4fdd\u6301 PostgreSQL \u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u9700\u66f4\u591a\u6709\u95dc VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f <a href=\"https:\/\/server.hk\">Server.HK<\/a>\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-21348","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21348","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=21348"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21348\/revisions"}],"predecessor-version":[{"id":24152,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21348\/revisions\/24152"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}