{"id":21382,"date":"2024-01-02T08:27:24","date_gmt":"2024-01-02T08:27:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21382\/"},"modified":"2024-11-14T10:35:31","modified_gmt":"2024-11-14T02:35:31","slug":"how-to-fix-postgresql-error-code-39004-null_value_not_allowed","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21382\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a39004 &#8211; null_value_not_allowed"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-39004-null_value_not_allowed-nSZQUZejnK\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a39004 &#8211; null_value_not_allowed<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u5408\u3002\u7136\u800c\uff0c\u548c\u5176\u4ed6\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u6709\u6642\u6703\u9047\u5230\u9700\u8981\u89e3\u6c7a\u7684\u932f\u8aa4\u3002\u5176\u4e2d\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u662f &#8220;null_value_not_allowed&#8221; \u932f\u8aa4\uff0c\u932f\u8aa4\u4ee3\u78bc\u70ba 39004\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"understanding-the-error-nSZQUZejnK\">\u7406\u89e3\u932f\u8aa4<\/h2>\n<p>&#8220;null_value_not_allowed&#8221; \u932f\u8aa4\u767c\u751f\u5728\u60a8\u5617\u8a66\u5411\u4e00\u500b\u4e0d\u5141\u8a31\u7a7a\u503c\u7684\u5217\u63d2\u5165\u6216\u66f4\u65b0\u4e00\u500b\u7a7a\u503c\u6642\u3002\u5728 PostgreSQL \u4e2d\uff0c\u5217\u53ef\u4ee5\u5b9a\u7fa9\u70ba <code>NOT NULL<\/code> \u7d04\u675f\uff0c\u9019\u610f\u5473\u8457\u8a72\u5217\u5fc5\u9808\u59cb\u7d42\u6709\u4e00\u500b\u503c\u3002\u5982\u679c\u60a8\u5617\u8a66\u5411\u9019\u6a23\u7684\u5217\u63d2\u5165\u6216\u66f4\u65b0\u7a7a\u503c\uff0cPostgreSQL \u5c31\u6703\u62cb\u51fa 39004 \u932f\u8aa4\u3002<\/p>\n<h2 id=\"possible-causes-nSZQUZejnK\">\u53ef\u80fd\u7684\u539f\u56e0<\/h2>\n<p>\u9047\u5230 &#8220;null_value_not_allowed&#8221; \u932f\u8aa4\u53ef\u80fd\u6709\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u7f3a\u5c11\u6216\u6578\u64da\u932f\u8aa4\uff1a<\/strong>\u4ed4\u7d30\u6aa2\u67e5\u60a8\u7684\u6578\u64da\uff0c\u78ba\u4fdd\u60a8\u6c92\u6709\u5617\u8a66\u5411\u4e0d\u5141\u8a31\u7a7a\u503c\u7684\u5217\u63d2\u5165\u6216\u66f4\u65b0\u7a7a\u503c\u3002<\/li>\n<li><strong>\u5217\u5b9a\u7fa9\u932f\u8aa4\uff1a<\/strong>\u9a57\u8b49\u60a8\u7684\u8868\u7d50\u69cb\u4e2d\u7684\u5217\u5b9a\u7fa9\uff0c\u78ba\u4fdd <code>NOT NULL<\/code> \u7d04\u675f\u5df2\u6b63\u78ba\u61c9\u7528\u3002<\/li>\n<li><strong>\u89f8\u767c\u5668\u6216\u7d04\u675f\u885d\u7a81\uff1a<\/strong>\u5982\u679c\u60a8\u7684\u8868\u4e0a\u5b9a\u7fa9\u4e86\u89f8\u767c\u5668\u6216\u7d04\u675f\uff0c\u5b83\u5011\u53ef\u80fd\u8207\u60a8\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u767c\u751f\u885d\u7a81\u3002\u6aa2\u67e5\u60a8\u7684\u89f8\u767c\u5668\u548c\u7d04\u675f\u4ee5\u78ba\u5b9a\u662f\u5426\u5b58\u5728\u885d\u7a81\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-error-nSZQUZejnK\">\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u8981\u89e3\u6c7a &#8220;null_value_not_allowed&#8221; \u932f\u8aa4\uff0c\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<ol>\n<li><strong>\u6aa2\u67e5\u60a8\u7684\u6578\u64da\uff1a<\/strong>\u5be9\u67e5\u60a8\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\uff0c\u78ba\u4fdd\u60a8\u672a\u70ba\u4e0d\u5141\u8a31\u7a7a\u503c\u7684\u5217\u63d0\u4f9b\u7a7a\u503c\u3002<\/li>\n<li><strong>\u9a57\u8b49\u5217\u5b9a\u7fa9\uff1a<\/strong>\u518d\u6b21\u6aa2\u67e5\u60a8\u7684\u8868\u7d50\u69cb\u4e2d\u7684\u5217\u5b9a\u7fa9\uff0c\u78ba\u4fdd <code>NOT NULL<\/code> \u7d04\u675f\u5df2\u6b63\u78ba\u61c9\u7528\u3002\u5982\u6709\u5fc5\u8981\uff0c\u4fee\u6539\u5217\u5b9a\u7fa9\u4ee5\u5141\u8a31\u7a7a\u503c\u6216\u63d0\u4f9b\u9ed8\u8a8d\u503c\u3002<\/li>\n<li><strong>\u5be9\u67e5\u89f8\u767c\u5668\u548c\u7d04\u675f\uff1a<\/strong>\u5982\u679c\u60a8\u7684\u8868\u4e0a\u5b9a\u7fa9\u4e86\u89f8\u767c\u5668\u6216\u7d04\u675f\uff0c\u8acb\u6aa2\u67e5\u5b83\u5011\u662f\u5426\u8207\u60a8\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u885d\u7a81\u3002\u6839\u64da\u9700\u8981\u8abf\u6574\u89f8\u767c\u5668\u6216\u7d04\u675f\u4ee5\u907f\u514d\u885d\u7a81\u3002<\/li>\n<\/ol>\n<p>\u901a\u904e\u9075\u5faa\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u4fee\u5fa9 PostgreSQL \u4e2d\u7684 &#8220;null_value_not_allowed&#8221; \u932f\u8aa4\uff0c\u4e26\u9806\u5229\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"summary-nSZQUZejnK\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c\u7576\u60a8\u5617\u8a66\u5411\u4e00\u500b\u4e0d\u5141\u8a31\u7a7a\u503c\u7684\u5217\u63d2\u5165\u6216\u66f4\u65b0\u7a7a\u503c\u6642\uff0cPostgreSQL \u53ef\u80fd\u6703\u767c\u751f\u932f\u8aa4\u4ee3\u78bc\u70ba 39004 \u7684 &#8220;null_value_not_allowed&#8221; \u932f\u8aa4\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\u60a8\u7684\u6578\u64da\u3001\u9a57\u8b49\u5217\u5b9a\u7fa9\uff0c\u4e26\u6aa2\u67e5\u89f8\u767c\u5668\u6216\u7d04\u675f\u662f\u5426\u5b58\u5728\u885d\u7a81\u3002\u5982\u679c\u60a8\u9047\u5230\u4efb\u4f55\u9032\u4e00\u6b65\u7684\u554f\u984c\u6216\u9700\u8981\u6709\u95dc PostgreSQL \u6216 VPS \u8a17\u7ba1\u7684\u5354\u52a9\uff0c\u8acb\u8003\u616e\u806f\u7e6b <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u8a72\u516c\u53f8\u662f\u4e00\u5bb6\u9818\u5148\u7684 VPS \u8a17\u7ba1\u516c\u53f8\uff0c\u63d0\u4f9b\u53ef\u9760\u4e14\u9ad8\u6027\u80fd\u7684\u8a17\u7ba1\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-21382","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21382","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=21382"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21382\/revisions"}],"predecessor-version":[{"id":24111,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21382\/revisions\/24111"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}