{"id":21427,"date":"2024-01-02T09:12:24","date_gmt":"2024-01-02T09:12:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21427\/"},"modified":"2024-11-14T10:34:36","modified_gmt":"2024-11-14T02:34:36","slug":"how-to-fix-postgresql-error-code-42725-ambiguous_function","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21427\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42725 &#8211; ambiguous_function"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-42725-ambiguous_function-RZbpfdQXVw\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42725 &#8211; ambiguous_function<\/h1>\n<p>PostgreSQL \u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5168\u7403\u7684\u958b\u767c\u8005\u548c\u4f01\u696d\u3002\u7136\u800c\uff0c\u8207\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u5f9e\u800c\u5f71\u97ff\u5176\u529f\u80fd\u3002PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42725 &#8211; ambiguous_function \u5c31\u662f\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u542b\u7fa9\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"understanding-the-error-RZbpfdQXVw\">\u7406\u89e3\u932f\u8aa4<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42725 &#8211; ambiguous_function \u767c\u751f\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5728\u591a\u500b\u5177\u6709\u76f8\u540c\u540d\u7a31\u548c\u53c3\u6578\u985e\u578b\u7684\u51fd\u6578\u6642\u3002\u7576\u4f60\u5617\u8a66\u8abf\u7528\u51fd\u6578\u6642\uff0cPostgreSQL \u7121\u6cd5\u78ba\u5b9a\u8981\u57f7\u884c\u54ea\u500b\u51fd\u6578\uff0c\u5f9e\u800c\u5c0e\u81f4 ambiguous_function \u932f\u8aa4\u3002<\/p>\n<p>\u9019\u500b\u932f\u8aa4\u53ef\u80fd\u6703\u8b93\u4eba\u611f\u5230\u975e\u5e38\u6cae\u55aa\uff0c\u56e0\u70ba\u5b83\u963b\u6b62\u4f60\u57f7\u884c\u6240\u9700\u7684\u51fd\u6578\uff0c\u4e26\u53ef\u80fd\u5e72\u64fe\u4f60\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u6709\u591a\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u89e3\u6c7a\u9019\u500b\u932f\u8aa4\uff0c\u4e26\u4f7f\u4f60\u7684 PostgreSQL \u6578\u64da\u5eab\u6062\u5fa9\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h2 id=\"resolving-the-error-RZbpfdQXVw\">\u89e3\u6c7a\u932f\u8aa4<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42725 &#8211; ambiguous_function \u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-specify-the-schema-RZbpfdQXVw\">1. \u6307\u5b9a\u67b6\u69cb<\/h3>\n<p>\u5982\u679c\u4f60\u7684\u6578\u64da\u5eab\u4e2d\u6709\u591a\u500b\u67b6\u69cb\uff0c\u800c\u5177\u6709\u76f8\u540c\u540d\u7a31\u7684\u51fd\u6578\u5b58\u5728\u65bc\u591a\u500b\u67b6\u69cb\u4e2d\uff0c\u5247\u53ef\u4ee5\u5728\u8abf\u7528\u51fd\u6578\u6642\u6307\u5b9a\u67b6\u69cb\u540d\u7a31\u3002\u901a\u904e\u660e\u78ba\u6307\u51fa\u67b6\u69cb\u540d\u7a31\uff0c\u53ef\u4ee5\u907f\u514d\u6b67\u7fa9\uff0c\u4e26\u78ba\u4fdd PostgreSQL \u57f7\u884c\u6b63\u78ba\u7684\u51fd\u6578\u3002<\/p>\n<pre><code>SELECT schema_name.function_name(arguments);<\/code><\/pre>\n<h3 id=\"2-rename-the-function-RZbpfdQXVw\">2. \u91cd\u547d\u540d\u51fd\u6578<\/h3>\n<p>\u5982\u679c\u4f60\u53ef\u4ee5\u63a7\u5236\u51fd\u6578\u540d\u7a31\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u91cd\u547d\u540d\u5176\u4e2d\u4e00\u500b\u51fd\u6578\uff0c\u4f7f\u5b83\u5011\u540d\u7a31\u552f\u4e00\u3002\u901a\u904e\u70ba\u6bcf\u500b\u51fd\u6578\u8ce6\u4e88\u4e0d\u540c\u7684\u540d\u7a31\uff0c\u53ef\u4ee5\u6d88\u9664\u6b67\u7fa9\uff0c\u5f9e\u800c\u4f7f PostgreSQL \u5728\u7121\u932f\u8aa4\u7684\u60c5\u6cc1\u4e0b\u57f7\u884c\u6240\u9700\u7684\u51fd\u6578\u3002<\/p>\n<h3 id=\"3-use-function-overloading-RZbpfdQXVw\">3. \u4f7f\u7528\u51fd\u6578\u91cd\u8f09<\/h3>\n<p>PostgreSQL \u652f\u63f4\u51fd\u6578\u91cd\u8f09\uff0c\u5141\u8a31\u4f60\u5b9a\u7fa9\u591a\u500b\u5177\u6709\u76f8\u540c\u540d\u7a31\u4f46\u53c3\u6578\u985e\u578b\u4e0d\u540c\u7684\u51fd\u6578\u3002\u901a\u904e\u5229\u7528\u51fd\u6578\u91cd\u8f09\uff0c\u4f60\u53ef\u4ee5\u5275\u5efa\u591a\u500b\u5177\u6709\u76f8\u540c\u540d\u7a31\u4f46\u529f\u80fd\u4e0d\u540c\u7684\u51fd\u6578\uff0c\u9019\u6709\u52a9\u65bc\u907f\u514d ambiguous_function \u932f\u8aa4\u3002<\/p>\n<h3 id=\"4-drop-unused-functions-RZbpfdQXVw\">4. \u522a\u9664\u672a\u4f7f\u7528\u7684\u51fd\u6578<\/h3>\n<p>\u5982\u679c\u4f60\u6709\u591a\u500b\u5177\u6709\u76f8\u540c\u540d\u7a31\u548c\u53c3\u6578\u985e\u578b\u7684\u51fd\u6578\uff0c\u4f46\u5176\u4e2d\u4e00\u4e9b\u5df2\u4e0d\u518d\u4f7f\u7528\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u522a\u9664\u672a\u4f7f\u7528\u7684\u51fd\u6578\u3002\u901a\u904e\u79fb\u9664\u5197\u9918\u51fd\u6578\uff0c\u53ef\u4ee5\u6e1b\u5c11\u9047\u5230 ambiguous_function \u932f\u8aa4\u7684\u6a5f\u6703\u3002<\/p>\n<h3 id=\"5-check-function-dependencies-RZbpfdQXVw\">5. \u6aa2\u67e5\u51fd\u6578\u4f9d\u8cf4\u95dc\u4fc2<\/h3>\n<p>ambiguous_function \u932f\u8aa4\u53ef\u80fd\u7531\u51fd\u6578\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u5f15\u8d77\u3002\u5982\u679c\u4e00\u500b\u51fd\u6578\u4f9d\u8cf4\u65bc\u53e6\u4e00\u500b\u5177\u6709\u76f8\u540c\u540d\u7a31\u548c\u53c3\u6578\u985e\u578b\u7684\u51fd\u6578\uff0cPostgreSQL \u53ef\u80fd\u96e3\u4ee5\u78ba\u5b9a\u8981\u57f7\u884c\u54ea\u500b\u51fd\u6578\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u6aa2\u67e5\u51fd\u6578\u7684\u4f9d\u8cf4\u95dc\u4fc2\uff0c\u4e26\u9032\u884c\u5fc5\u8981\u7684\u4fee\u6539\u4ee5\u89e3\u6c7a\u6b67\u7fa9\u3002<\/p>\n<h2 id=\"summary-RZbpfdQXVw\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a42725 &#8211; ambiguous_function \u53ef\u80fd\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\u5e36\u4f86\u56f0\u64fe\u3002\u4f46\u901a\u904e\u672c\u6587\u5217\u51fa\u7684\u6b65\u9a5f\uff0c\u4f60\u53ef\u4ee5\u89e3\u6c7a\u9019\u500b\u932f\u8aa4\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9806\u5229\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5728 PostgreSQL \u6578\u64da\u5eab\u4e2d\u9047\u5230 ambiguous_function \u932f\u8aa4\uff0c\u8acb\u8003\u616e\u6307\u5b9a\u67b6\u69cb\u3001\u91cd\u547d\u540d\u51fd\u6578\u3001\u4f7f\u7528\u51fd\u6578\u91cd\u8f09\u3001\u522a\u9664\u672a\u4f7f\u7528\u7684\u51fd\u6578\u6216\u6aa2\u67e5\u51fd\u6578\u4f9d\u8cf4\u95dc\u4fc2\u3002\u901a\u904e\u63a1\u53d6\u9019\u4e9b\u63aa\u65bd\uff0c\u4f60\u53ef\u4ee5\u6d88\u9664\u6b67\u7fa9\uff0c\u4f7f\u4f60\u7684 PostgreSQL \u6578\u64da\u5eab\u6062\u5fa9\u6b63\u5e38\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc VPS \u8a17\u7ba1\u7684\u8cc7\u8a0a\u53ca\u5176\u5982\u4f55\u70ba\u4f60\u7684\u696d\u52d9\u63d0\u4f9b\u5e6b\u52a9\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-21427","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21427","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=21427"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21427\/revisions"}],"predecessor-version":[{"id":24061,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21427\/revisions\/24061"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}