{"id":21420,"date":"2024-01-02T09:05:22","date_gmt":"2024-01-02T09:05:22","guid":{"rendered":"https:\/\/server.hk\/blog\/21420\/"},"modified":"2024-11-14T10:34:44","modified_gmt":"2024-11-14T02:34:44","slug":"how-to-fix-postgresql-error-code-42723-duplicate_function","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21420\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42723 – duplicate_function"},"content":{"rendered":"

\u5982\u4f55\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42723 – duplicate_function<\/h1>\n

PostgreSQL \u662f\u4e00\u6b3e\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6027\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u7136\u800c\uff0c\u548c\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u4e5f\u53ef\u80fd\u9047\u5230\u9700\u8981\u89e3\u6c7a\u7684\u932f\u8aa4\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u5373\u70ba PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42723 – duplicate_function\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u610f\u7fa9\u4ee5\u53ca\u5982\u4f55\u89e3\u6c7a\u5b83\u3002<\/p>\n

\u7406\u89e3\u9019\u500b\u932f\u8aa4<\/h2>\n

\u7576\u60a8\u8a66\u5716\u5728\u540c\u4e00\u500b\u6a21\u5f0f\u4e2d\u4ee5\u76f8\u540c\u7684\u540d\u7a31\u548c\u53c3\u6578\u985e\u578b\u5275\u5efa\u4e00\u500b\u5df2\u5b58\u5728\u51fd\u6578\u6642\uff0c\u5c31\u6703\u51fa\u73fe PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42723 – duplicate_function\u3002\u9019\u500b\u932f\u8aa4\u963b\u6b62\u4e86\u65b0\u51fd\u6578\u7684\u5275\u5efa\uff0c\u4e26\u6307\u793a\u4e86\u4e00\u500b\u8207\u5df2\u5b58\u5728\u51fd\u6578\u7684\u885d\u7a81\u3002<\/p>\n

\u89e3\u6c7a\u9019\u500b\u932f\u8aa4<\/h2>\n

\u8981\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42723 – duplicate_function\uff0c\u60a8\u6709\u5e7e\u500b\u9078\u64c7\uff1a<\/p>\n

1. \u91cd\u65b0\u547d\u540d\u5df2\u5b58\u5728\u7684\u51fd\u6578<\/h3>\n

\u5982\u679c\u60a8\u60f3\u8981\u4fdd\u7559\u76f8\u540c\u540d\u7a31\u548c\u53c3\u6578\u985e\u578b\u7684\u65b0\u51fd\u6578\uff0c\u60a8\u53ef\u4ee5\u91cd\u65b0\u547d\u540d\u5df2\u5b58\u5728\u7684\u51fd\u6578\u3002\u9019\u5c07\u4f7f\u60a8\u80fd\u5920\u5275\u5efa\u65b0\u51fd\u6578\u800c\u4e0d\u6703\u9047\u5230 duplicate_function \u932f\u8aa4\u3002\u8981\u91cd\u65b0\u547d\u540d\u5df2\u5b58\u5728\u7684\u51fd\u6578\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684 SQL \u547d\u4ee4\uff1a<\/p>\n

ALTER FUNCTION existing_function_name(argument_types) RENAME TO new_function_name;<\/code><\/pre>\n
\u5c07 existing_function_name<\/code> \u66ff\u63db\u70ba\u5df2\u5b58\u5728\u51fd\u6578\u7684\u540d\u7a31\uff0c\u5c07 argument_types<\/code> \u66ff\u63db\u70ba\u51fd\u6578\u7684\u53c3\u6578\u985e\u578b\u3002\u540c\u6a23\u5730\uff0c\u5c07 new_function_name<\/code> \u66ff\u63db\u70ba\u65b0\u51fd\u6578\u7684\u671f\u671b\u540d\u7a31\u3002<\/p>\n
2. \u522a\u9664\u5df2\u5b58\u5728\u7684\u51fd\u6578<\/h3>\n
\u5982\u679c\u60a8\u4e0d\u518d\u9700\u8981\u5df2\u5b58\u5728\u7684\u51fd\u6578\u6216\u8005\u5b83\u662f\u591a\u9918\u7684\uff0c\u60a8\u53ef\u4ee5\u522a\u9664\u5b83\u4ee5\u89e3\u6c7a duplicate_function \u932f\u8aa4\u3002\u4f46\u5728\u522a\u9664\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u5099\u4efd\u8207\u5df2\u5b58\u5728\u51fd\u6578\u76f8\u95dc\u7684\u4efb\u4f55\u5fc5\u8981\u6578\u64da\u6216\u4ee3\u78bc\u3002\u8981\u522a\u9664\u5df2\u5b58\u5728\u7684\u51fd\u6578\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684 SQL \u547d\u4ee4\uff1a<\/p>\n
DROP FUNCTION existing_function_name(argument_types);<\/code><\/pre>\n
\u5c07 existing_function_name<\/code> \u66ff\u63db\u70ba\u5df2\u5b58\u5728\u51fd\u6578\u7684\u540d\u7a31\uff0c\u5c07 argument_types<\/code> \u66ff\u63db\u70ba\u51fd\u6578\u7684\u53c3\u6578\u985e\u578b\u3002<\/p>\n
3. \u4f7f\u7528\u4e0d\u540c\u7684\u540d\u7a31\u6216\u53c3\u6578\u985e\u578b<\/h3>\n
\u5982\u679c\u91cd\u65b0\u547d\u540d\u6216\u522a\u9664\u5df2\u5b58\u5728\u7684\u51fd\u6578\u4e0d\u53ef\u884c\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u4e00\u500b\u4e0d\u540c\u7684\u540d\u7a31\u6216\u4fee\u6539\u65b0\u51fd\u6578\u7684\u53c3\u6578\u985e\u578b\u3002\u901a\u904e\u78ba\u4fdd\u65b0\u51fd\u6578\u6709\u552f\u4e00\u7684\u540d\u7a31\u6216\u4e0d\u540c\u7684\u53c3\u6578\u985e\u578b\uff0c\u60a8\u53ef\u4ee5\u907f\u514d duplicate_function \u932f\u8aa4\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42723 – duplicate_function \u53ef\u4ee5\u901a\u904e\u91cd\u65b0\u547d\u540d\u5df2\u5b58\u5728\u7684\u51fd\u6578\u3001\u522a\u9664\u5b83\uff0c\u6216\u8005\u70ba\u65b0\u51fd\u6578\u4f7f\u7528\u4e0d\u540c\u7684\u540d\u7a31\u6216\u53c3\u6578\u985e\u578b\u4f86\u89e3\u6c7a\u3002\u5728\u9032\u884c\u66f4\u6539\u4e4b\u524d\uff0c\u4ed4\u7d30\u8003\u616e\u9019\u4e9b\u64cd\u4f5c\u7684\u5f71\u97ff\uff0c\u4e26\u5728\u9032\u884c\u66f4\u6539\u4e4b\u524d\u5099\u4efd\u4efb\u4f55\u5fc5\u8981\u7684\u6578\u64da\u6216\u4ee3\u78bc\u3002\u85c9\u7531\u8655\u7406\u9019\u500b\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u7e7c\u7e8c\u4f7f\u7528 PostgreSQL \u4e26\u5229\u7528\u5176\u529f\u80fd\u4f86\u958b\u767c\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n
\u6b32\u7372\u5f97\u66f4\u591a\u6709\u95dc VPS \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\u7684\u8cc7\u8a0a\uff0c\u8acb\u9020\u8a2a Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u89e3\u6c7a PostgreSQL ...<\/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-21420","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21420","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=21420"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21420\/revisions"}],"predecessor-version":[{"id":24072,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21420\/revisions\/24072"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}