{"id":20803,"date":"2024-01-02T06:12:24","date_gmt":"2024-01-02T06:12:24","guid":{"rendered":"https:\/\/server.hk\/blog\/20803\/"},"modified":"2024-11-14T10:38:22","modified_gmt":"2024-11-14T02:38:22","slug":"how-to-fix-postgresql-error-code-01003-null_value_eliminated_in_set_function","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20803\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a01003 &#8211; null_value_eliminated_in_set_function"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-01003-null_value_eliminated_in_set_function-OZNvCMXZqO\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a01003 &#8211; null_value_eliminated_in_set_function<\/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\u7a2e\u61c9\u7528\u3002\u7136\u800c\uff0c\u50cf\u6240\u6709\u8edf\u9ad4\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u9019\u4e9b\u932f\u8aa4\u53ef\u80fd\u6703\u5e72\u64fe\u5176\u6b63\u5e38\u904b\u4f5c\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a01003 &#8211; null_value_eliminated_in_set_function\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u4e26\u63d0\u4f9b\u9010\u6b65\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"understanding-the-error-OZNvCMXZqO\">\u7406\u89e3\u932f\u8aa4<\/h2>\n<p>\u7576\u5728\u96c6\u5408\u51fd\u6578\u4e2d\u9047\u5230 Null \u503c\u6642\uff0c\u6703\u767c\u751f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a01003 &#8211; null_value_eliminated_in_set_function\u3002PostgreSQL \u4e2d\u7684\u96c6\u5408\u51fd\u6578\u7528\u65bc\u5c0d\u4e00\u7d44\u503c\u57f7\u884c\u64cd\u4f5c\uff0c\u4f8b\u5982\u67e5\u627e\u6700\u5927\u6216\u6700\u5c0f\u503c\u3001\u8a08\u7b97\u5e73\u5747\u503c\u6216\u8a08\u7b97\u4e00\u7d44\u503c\u7684\u6578\u91cf\u3002<\/p>\n<p>\u7576\u5728\u96c6\u5408\u51fd\u6578\u4e2d\u9047\u5230 null \u503c\u6642\uff0cPostgreSQL \u6703\u5c07\u5176\u5f9e\u96c6\u5408\u4e2d\u6392\u9664\uff0c\u4e26\u7e7c\u7e8c\u9032\u884c\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u7d50\u679c\u6216\u932f\u8aa4\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bc\u96c6\u5408\u51fd\u6578\u7684\u4f7f\u7528\u74b0\u5883\u3002<\/p>\n<h2 id=\"causes-of-the-error-OZNvCMXZqO\">\u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>\u9020\u6210 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a01003 &#8211; null_value_eliminated_in_set_function \u7684\u539f\u56e0\u53ef\u80fd\u6709\u4ee5\u4e0b\u5e7e\u500b\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e2d\u7684 Null \u503c\uff1a<\/strong> \u5982\u679c\u60a8\u7684\u6578\u64da\u5eab\u5728\u7528\u65bc\u96c6\u5408\u51fd\u6578\u7684\u5217\u4e2d\u5305\u542b Null \u503c\uff0c\u5247\u53ef\u80fd\u6703\u89f8\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4e0d\u6b63\u78ba\u4f7f\u7528\u96c6\u5408\u51fd\u6578\uff1a<\/strong> \u5982\u679c\u60a8\u4e0d\u6b63\u78ba\u4f7f\u7528\u96c6\u5408\u51fd\u6578\uff0c\u4f8b\u5982\u61c9\u7528\u65bc\u4e0d\u517c\u5bb9\u7684\u6578\u64da\u985e\u578b\u6216\u5728\u4e0d\u652f\u6301\u7684\u4e0a\u4e0b\u6587\u4e2d\u4f7f\u7528\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-error-OZNvCMXZqO\">\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a01003 &#8211; null_value_eliminated_in_set_function\uff0c\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"step-1-identify-the-affected-query-OZNvCMXZqO\">\u6b65\u9a5f 1\uff1a\u8b58\u5225\u53d7\u5f71\u97ff\u7684\u67e5\u8a62<\/h3>\n<p>\u8b58\u5225\u5c0e\u81f4\u932f\u8aa4\u7684\u67e5\u8a62\u6216\u67e5\u8a62\u3002\u6aa2\u67e5\u4ee3\u78bc\u4e26\u78ba\u5b9a\u662f\u54ea\u500b\u96c6\u5408\u51fd\u6578\u5f15\u767c\u4e86\u554f\u984c\u3002<\/p>\n<h3 id=\"step-2-check-for-null-values-OZNvCMXZqO\">\u6b65\u9a5f 2\uff1a\u6aa2\u67e5 Null \u503c<\/h3>\n<p>\u6aa2\u67e5\u7528\u65bc\u96c6\u5408\u51fd\u6578\u7684\u5217\u4e2d\u7684\u6578\u64da\uff0c\u67e5\u627e\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u7684 Null \u503c\u3002\u5982\u679c\u767c\u73fe Null \u503c\uff0c\u60a8\u6709\u4ee5\u4e0b\u5e7e\u500b\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u79fb\u9664 Null \u503c\uff1a<\/strong> \u5982\u679c Null \u503c\u5c0d\u60a8\u7684\u6578\u64da\u4e0d\u662f\u5fc5\u9700\u7684\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u66f4\u65b0\u53d7\u5f71\u97ff\u7684\u884c\u4e26\u5c07\u5217\u503c\u8a2d\u7f6e\u70ba\u975e Null \u503c\u4f86\u79fb\u9664\u5b83\u5011\u3002<\/li>\n<li><strong>\u5728\u67e5\u8a62\u4e2d\u8655\u7406 Null \u503c\uff1a<\/strong> \u5982\u679c Null \u503c\u662f\u9810\u671f\u7684\u4e26\u4e14\u9700\u8981\u5305\u542b\u5728\u96c6\u5408\u51fd\u6578\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4fee\u6539\u67e5\u8a62\u4ee5\u9069\u7576\u8655\u7406 Null \u503c\u3002\u9019\u53ef\u80fd\u6d89\u53ca\u4f7f\u7528\u689d\u4ef6\u8a9e\u53e5\u6216 coalesce \u51fd\u6578\u4f86\u5c07 Null \u503c\u66ff\u63db\u70ba\u9ed8\u8a8d\u503c\u3002<\/li>\n<\/ul>\n<h3 id=\"step-3-verify-correct-usage-of-set-functions-OZNvCMXZqO\">\u6b65\u9a5f 3\uff1a\u9a57\u8b49\u96c6\u5408\u51fd\u6578\u7684\u6b63\u78ba\u7528\u6cd5<\/h3>\n<p>\u67e5\u770b\u67e5\u8a62\u4e2d\u96c6\u5408\u51fd\u6578\u7684\u4f7f\u7528\uff0c\u78ba\u4fdd\u6839\u64da PostgreSQL \u6587\u6a94\u6b63\u78ba\u4f7f\u7528\u5b83\u5011\u3002\u6aa2\u67e5\u662f\u5426\u5b58\u5728\u4efb\u4f55\u4e0d\u517c\u5bb9\u7684\u6578\u64da\u985e\u578b\u6216\u4e0d\u652f\u6301\u7684\u4e0a\u4e0b\u6587\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u3002\u6839\u64da\u9700\u8981\u5c0d\u67e5\u8a62\u9032\u884c\u8abf\u6574\uff0c\u4ee5\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002<\/p>\n<h3 id=\"step-4-test-and-monitor-OZNvCMXZqO\">\u6b65\u9a5f 4\uff1a\u6e2c\u8a66\u548c\u76e3\u63a7<\/h3>\n<p>\u5728\u5b8c\u6210\u5fc5\u8981\u7684\u66f4\u6539\u5f8c\uff0c\u6e2c\u8a66\u60a8\u7684\u67e5\u8a62\u4ee5\u78ba\u4fdd\u4e0d\u518d\u51fa\u73fe PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a01003 &#8211; null_value_eliminated_in_set_function\u3002\u76e3\u63a7\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u6216\u7cfb\u7d71\uff0c\u9a57\u8b49\u5728\u6b63\u5e38\u904b\u884c\u904e\u7a0b\u4e2d\u4e0d\u6703\u518d\u6b21\u767c\u751f\u8a72\u932f\u8aa4\u3002<\/p>\n<h2 id=\"summary-OZNvCMXZqO\">\u6458\u8981<\/h2>\n<p>\u7e3d\u4e4b\uff0cPostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a01003 &#8211; null_value_eliminated_in_set_function \u53ef\u4ee5\u901a\u904e\u8b58\u5225\u53d7\u5f71\u97ff\u7684\u67e5\u8a62\u3001\u6aa2\u67e5 Null \u503c\u3001\u9a57\u8b49\u96c6\u5408\u51fd\u6578\u7684\u6b63\u78ba\u7528\u6cd5\u4ee5\u53ca\u6e2c\u8a66\u66f4\u6539\u4f86\u89e3\u6c7a\u3002\u901a\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u78ba\u4fdd\u60a8\u7684 PostgreSQL \u6578\u64da\u5eab\u9806\u5229\u904b\u4f5c\u3002<\/p>\n<p>\u5982\u9700\u53ef\u9760\u4e14\u9ad8\u6548\u7684 VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u6211\u5011\u7684\u9999\u6e2f VPS \u8a17\u7ba1\u670d\u52d9\u70ba\u60a8\u7684 PostgreSQL \u548c\u5176\u4ed6\u6578\u64da\u5eab\u9700\u6c42\u63d0\u4f9b\u4e00\u6d41\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\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":[4924],"tags":[],"class_list":["post-20803","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20803","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=20803"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20803\/revisions"}],"predecessor-version":[{"id":24286,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20803\/revisions\/24286"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}