{"id":21425,"date":"2024-01-02T09:10:24","date_gmt":"2024-01-02T09:10:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21425\/"},"modified":"2024-11-14T10:34:38","modified_gmt":"2024-11-14T02:34:38","slug":"how-to-fix-postgresql-error-code-42710-duplicate_object","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21425\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42710 &#8211; duplicate_object"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-42710-duplicate_object-gCCisLcusY\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42710 &#8211; duplicate_object<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u50cf\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u4e5f\u53ef\u80fd\u9047\u5230\u6703\u5e72\u64fe\u6b63\u5e38\u904b\u4f5c\u7684\u932f\u8aa4\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42710 &#8211; duplicate_object\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u542b\u7fa9\u4ee5\u53ca\u5982\u4f55\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"understanding-postgresql-error-code-42710-duplicate_object-gCCisLcusY\">\u7406\u89e3 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42710 &#8211; duplicate_object<\/h2>\n<p>\u7576\u60a8\u9047\u5230 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42710 &#8211; duplicate_object\uff0c\u9019\u610f\u5473\u8457\u60a8\u5617\u8a66\u5275\u5efa\u4e00\u500b\u5df2\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5728\u7684\u5c0d\u8c61\uff08\u4f8b\u5982\u8868\u3001\u7d22\u5f15\u6216\u8996\u5716\uff09\u3002\u5728 PostgreSQL \u4e2d\uff0c\u6bcf\u500b\u5c0d\u8c61\u5fc5\u9808\u5728\u5176\u67b6\u69cb\u5167\u5177\u6709\u552f\u4e00\u7684\u540d\u7a31\uff0c\u7576\u60a8\u9055\u53cd\u6b64\u898f\u5247\u6642\uff0c\u5c31\u6703\u767c\u751f\u6b64\u932f\u8aa4\u3002<\/p>\n<p>\u6b64\u932f\u8aa4\u53ef\u80fd\u5728\u57f7\u884c\u6d89\u53ca\u5275\u5efa\u6216\u66f4\u6539\u6578\u64da\u5eab\u5c0d\u8c61\u7684 SQL \u8a9e\u53e5\u6642\u767c\u751f\u3002\u53ef\u80fd\u7531\u4ee5\u4e0b\u5e7e\u500b\u56e0\u7d20\u9020\u6210\uff1a<\/p>\n<ul>\n<li>\u610f\u5916\u91cd\u8907\u5c0d\u8c61\u540d\u7a31<\/li>\n<li>\u6578\u64da\u5eab\u67b6\u69cb\u5b9a\u7fa9\u4e2d\u7684\u932f\u8aa4<\/li>\n<li>\u6578\u64da\u5eab\u9077\u79fb\u6216\u8907\u88fd\u4e2d\u7684\u554f\u984c<\/li>\n<\/ul>\n<h2 id=\"fixing-postgresql-error-code-42710-duplicate_object-gCCisLcusY\">\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42710 &#8211; duplicate_object<\/h2>\n<p>\u8981\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42710 &#8211; duplicate_object\uff0c\u60a8\u9700\u8981\u8b58\u5225\u885d\u7a81\u7684\u5c0d\u8c61\u540d\u7a31\u4e26\u89e3\u6c7a\u91cd\u8907\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u60a8\u53ef\u4ee5\u9075\u5faa\u7684\u4e00\u4e9b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-identify-the-duplicate-object-gCCisLcusY\">1. \u8b58\u5225\u91cd\u8907\u5c0d\u8c61<\/h3>\n<p>\u7b2c\u4e00\u6b65\u662f\u8b58\u5225\u5c0e\u81f4\u91cd\u8907\u7684\u5c0d\u8c61\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u6aa2\u67e5\u89f8\u767c\u932f\u8aa4\u7684 SQL \u8a9e\u53e5\u6216\u8173\u672c\u4f86\u5b8c\u6210\u6b64\u64cd\u4f5c\u3002\u67e5\u770b\u932f\u8aa4\u6d88\u606f\u4e2d\u63d0\u5230\u7684\u5c0d\u8c61\u540d\u7a31\u4e26\u8a18\u4e0b\u4f86\u3002<\/p>\n<h3 id=\"2-check-existing-objects-gCCisLcusY\">2. \u6aa2\u67e5\u73fe\u6709\u5c0d\u8c61<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u4e2d\u7684\u73fe\u6709\u5c0d\u8c61\uff0c\u4ee5\u78ba\u4fdd\u78ba\u5be6\u5b58\u5728\u91cd\u8907\u3002\u4f7f\u7528 PostgreSQL \u547d\u4ee4\u884c\u5de5\u5177\u6216\u50cf pgAdmin \u9019\u6a23\u7684\u5716\u5f62\u754c\u9762\u9023\u63a5\u5230\u6578\u64da\u5eab\u4e26\u700f\u89bd\u5176\u67b6\u69cb\u3002\u67e5\u627e\u5728\u540c\u4e00\u67b6\u69cb\u4e2d\u5177\u6709\u76f8\u4f3c\u540d\u7a31\u6216\u76f8\u540c\u540d\u7a31\u7684\u5c0d\u8c61\u3002<\/p>\n<h3 id=\"3-rename-or-drop-the-duplicate-object-gCCisLcusY\">3. \u91cd\u65b0\u547d\u540d\u6216\u522a\u9664\u91cd\u8907\u5c0d\u8c61<\/h3>\n<p>\u4e00\u65e6\u8b58\u5225\u51fa\u91cd\u8907\u5c0d\u8c61\uff0c\u60a8\u6709\u5169\u500b\u9078\u64c7\uff1a\u91cd\u65b0\u547d\u540d\u5b83\u6216\u522a\u9664\u5b83\u3002\u5982\u679c\u8a72\u5c0d\u8c61\u4e0d\u9700\u8981\u6216\u662f\u7531\u932f\u8aa4\u9020\u6210\u7684\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u9069\u7576\u7684 SQL \u547d\u4ee4\u5c07\u5176\u522a\u9664\u3002\u7136\u800c\uff0c\u5982\u679c\u8a72\u5c0d\u8c61\u662f\u5fc5\u8981\u7684\u4e26\u4e14\u9700\u8981\u4fdd\u7559\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 ALTER \u547d\u4ee4\u5c07\u5176\u91cd\u65b0\u547d\u540d\u70ba\u552f\u4e00\u540d\u7a31\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6709\u4e00\u500b\u540d\u70ba &#8220;employees&#8221; \u7684\u91cd\u8907\u8868\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u522a\u9664\u5b83\uff1a<\/p>\n<p><code>DROP TABLE employees;<\/code><\/p>\n<p>\u6216\u8005\uff0c\u5982\u679c\u60a8\u60f3\u5c07\u5176\u91cd\u65b0\u547d\u540d\u70ba &#8220;employees_new&#8221;\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p><code>ALTER TABLE employees RENAME TO employees_new;<\/code><\/p>\n<h3 id=\"4-rerun-the-sql-statement-gCCisLcusY\">4. \u91cd\u65b0\u57f7\u884c SQL \u8a9e\u53e5<\/h3>\n<p>\u5728\u89e3\u6c7a\u91cd\u8907\u5c0d\u8c61\u554f\u984c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u91cd\u65b0\u57f7\u884c\u89f8\u767c\u932f\u8aa4\u7684 SQL \u8a9e\u53e5\u6216\u8173\u672c\u3002\u78ba\u4fdd\u5c0d\u8c61\u540d\u7a31\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u4e0d\u8207\u6578\u64da\u5eab\u4e2d\u7684\u4efb\u4f55\u73fe\u6709\u5c0d\u8c61\u767c\u751f\u885d\u7a81\u3002<\/p>\n<h2 id=\"summary-gCCisLcusY\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u4e4b\uff0cPostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42710 &#8211; duplicate_object \u767c\u751f\u5728\u60a8\u5617\u8a66\u5275\u5efa\u4e00\u500b\u5df2\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5728\u7684\u5c0d\u8c61\u6642\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u9700\u8981\u8b58\u5225\u91cd\u8907\u5c0d\u8c61\uff0c\u6aa2\u67e5\u73fe\u6709\u5c0d\u8c61\uff0c\u91cd\u65b0\u547d\u540d\u6216\u522a\u9664\u91cd\u8907\u5c0d\u8c61\uff0c\u7136\u5f8c\u91cd\u65b0\u57f7\u884c SQL \u8a9e\u53e5\u3002\u5982\u679c\u60a8\u5728\u4f7f\u7528 PostgreSQL \u6642\u9047\u5230\u4efb\u4f55\u554f\u984c\u6216\u9700\u8981\u53ef\u9760\u7684 VPS \u8a17\u7ba1\u670d\u52d9\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u63d0\u4f9b\u7684\u4e00\u6d41 VPS \u89e3\u6c7a\u65b9\u6848\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-21425","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21425","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=21425"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21425\/revisions"}],"predecessor-version":[{"id":24064,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21425\/revisions\/24064"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}