{"id":21446,"date":"2024-01-02T09:31:24","date_gmt":"2024-01-02T09:31:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21446\/"},"modified":"2024-11-14T10:34:14","modified_gmt":"2024-11-14T02:34:14","slug":"how-to-fix-postgresql-error-code-54001-statement_too_complex","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21446\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-54001-statement_too_complex-RDMODUseyd\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6027\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5728\u5404\u7a2e\u61c9\u7528\u4e2d\u5ee3\u6cdb\u4f7f\u7528\u3002\u7136\u800c\uff0c\u8207\u4efb\u4f55\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u9047\u5230\u932f\u8aa4\uff0c\u9032\u800c\u5f71\u97ff\u5176\u529f\u80fd\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u5373\u70ba PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex\u3002\u672c\u6587\u5c07\u63a2\u7d22\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\u4ee5\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"understanding-postgresql-error-code-54001-statement_too_complex-RDMODUseyd\">\u7406\u89e3 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex<\/h2>\n<p>\u7576\u67e5\u8a62\u6216\u8a9e\u53e5\u5c0d\u6578\u64da\u5eab\u7684\u8655\u7406\u80fd\u529b\u6709\u904e\u5927\u8981\u6c42\u6642\uff0c\u5c31\u6703\u7522\u751f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u67e5\u8a62\u6d89\u53ca\u5927\u91cf\u8868\u3001\u9023\u63a5\u6216\u5b50\u67e5\u8a62\uff0c\u4f7f\u5f97\u7cfb\u7d71\u96e3\u4ee5\u6709\u6548\u8655\u7406\u6642\u3002<\/p>\n<p>\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0cPostgreSQL \u5c07\u4e2d\u6b62\u67e5\u8a62\u4e26\u8fd4\u56de\u932f\u8aa4\u4fe1\u606f\uff0c\u6307\u793a\u8a72\u8a9e\u53e5\u904e\u65bc\u8907\u96dc\u800c\u7121\u6cd5\u6210\u529f\u57f7\u884c\u3002<\/p>\n<h2 id=\"possible-causes-of-postgresql-error-code-54001-statement_too_complex-RDMODUseyd\">PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex \u7684\u53ef\u80fd\u539f\u56e0<\/h2>\n<p>\u5c0e\u81f4 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex \u767c\u751f\u7684\u56e0\u7d20\u6709\u5e7e\u500b\uff1a<\/p>\n<ul>\n<li><strong>\u8868\u7684\u6578\u91cf\u904e\u591a\uff1a<\/strong> \u5982\u679c\u60a8\u7684\u67e5\u8a62\u6d89\u53ca\u5927\u91cf\u8868\uff0c\u5c24\u5176\u662f\u5728\u9032\u884c\u8907\u96dc\u9023\u63a5\u6216\u5b50\u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u8017\u76e1\u6578\u64da\u5eab\u7684\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u5167\u5b58\u4e0d\u8db3\uff1a<\/strong> \u5982\u679c\u60a8\u7684 PostgreSQL \u5be6\u4f8b\u5206\u914d\u7684\u5167\u5b58\u4e0d\u8db3\uff0c\u53ef\u80fd\u6703\u96e3\u4ee5\u8655\u7406\u8907\u96dc\u67e5\u8a62\uff0c\u5c0e\u81f4 statement_too_complex \u932f\u8aa4\u3002<\/li>\n<li><strong>\u7d71\u8a08\u4fe1\u606f\u904e\u6642\uff1a<\/strong> PostgreSQL \u9700\u8981\u4f9d\u8cf4\u7d71\u8a08\u4fe1\u606f\u4f86\u512a\u5316\u67e5\u8a62\u57f7\u884c\u3002\u5982\u679c\u7d71\u8a08\u4fe1\u606f\u904e\u6642\u6216\u4e0d\u6e96\u78ba\uff0c\u6578\u64da\u5eab\u53ef\u80fd\u96e3\u4ee5\u6b63\u78ba\u8a55\u4f30\u67e5\u8a62\u7684\u8907\u96dc\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-postgresql-error-code-54001-statement_too_complex-RDMODUseyd\">\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex<\/h2>\n<p>\u8981\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex\uff0c\u60a8\u53ef\u4ee5\u5617\u8a66\u4ee5\u4e0b\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-optimize-the-query-RDMODUseyd\">1. \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u6aa2\u95b1\u60a8\u7684\u67e5\u8a62\uff0c\u67e5\u627e\u4e26\u522a\u9664\u591a\u9918\u7684\u9023\u63a5\u3001\u5b50\u67e5\u8a62\u6216\u8868\uff0c\u7c21\u5316\u67e5\u8a62\u3002\u8003\u616e\u5c07\u8907\u96dc\u67e5\u8a62\u62c6\u5206\u70ba\u66f4\u5c0f\u3001\u66f4\u6613\u7ba1\u7406\u7684\u90e8\u5206\u3002<\/p>\n<h3 id=\"2-increase-memory-allocation-RDMODUseyd\">2. \u589e\u52a0\u5167\u5b58\u5206\u914d<\/h3>\n<p>\u5982\u679c\u60a8\u7684 PostgreSQL \u5be6\u4f8b\u5167\u5b58\u4e0d\u8db3\uff0c\u60a8\u53ef\u4ee5\u589e\u52a0\u5167\u5b58\u5206\u914d\uff0c\u70ba\u67e5\u8a62\u57f7\u884c\u63d0\u4f9b\u66f4\u591a\u8cc7\u6e90\u3002\u8abf\u6574 PostgreSQL \u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>shared_buffers<\/code> \u548c <code>work_mem<\/code> \u53c3\u6578\u4ee5\u5206\u914d\u66f4\u591a\u5167\u5b58\u3002<\/p>\n<h3 id=\"3-update-statistics-RDMODUseyd\">3. \u66f4\u65b0\u7d71\u8a08\u4fe1\u606f<\/h3>\n<p>\u78ba\u4fdd\u60a8\u7684 PostgreSQL \u6578\u64da\u5eab\u5177\u6709\u6700\u65b0\u7684\u7d71\u8a08\u4fe1\u606f\u3002\u4f7f\u7528 <code>ANALYZE<\/code> \u547d\u4ee4\u66f4\u65b0\u6d89\u53ca\u8a72\u67e5\u8a62\u7684\u8868\u7684\u7d71\u8a08\u4fe1\u606f\u3002\u9019\u5c07\u6709\u52a9\u65bc\u6578\u64da\u5eab\u5728\u512a\u5316\u67e5\u8a62\u57f7\u884c\u6642\u505a\u51fa\u66f4\u597d\u7684\u6c7a\u5b9a\u3002<\/p>\n<h3 id=\"4-use-query-optimization-techniques-RDMODUseyd\">4. \u4f7f\u7528\u67e5\u8a62\u512a\u5316\u6280\u8853<\/h3>\n<p>\u8003\u616e\u4f7f\u7528\u67e5\u8a62\u512a\u5316\u6280\u8853\uff0c\u4f8b\u5982\u7d22\u5f15\u3001\u5206\u5340\u6216\u7269\u5316\u8996\u5716\uff0c\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u9019\u4e9b\u6280\u8853\u6709\u52a9\u65bc\u6e1b\u5c11\u67e5\u8a62\u7684\u8907\u96dc\u5ea6\uff0c\u63d0\u5347\u6574\u9ad4\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h3 id=\"5-upgrade-hardware-or-scale-horizontally-RDMODUseyd\">5. \u5347\u7d1a\u786c\u4ef6\u6216\u6c34\u5e73\u64f4\u5c55<\/h3>\n<p>\u5982\u679c\u60a8\u7684\u6578\u64da\u5eab\u5de5\u4f5c\u8ca0\u8f09\u4e00\u76f4\u6d89\u53ca\u8907\u96dc\u67e5\u8a62\uff0c\u4f7f\u5f97\u786c\u4ef6\u8cc7\u6e90\u9054\u5230\u6975\u9650\uff0c\u53ef\u80fd\u9700\u8981\u5347\u7d1a\u786c\u4ef6\u6216\u6c34\u5e73\u64f4\u5c55\uff0c\u589e\u52a0\u66f4\u591a\u4f3a\u670d\u5668\u4ee5\u5747\u8861\u8ca0\u8f09\u3002<\/p>\n<h2 id=\"summary-RDMODUseyd\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u800c\u8a00\u4e4b\uff0c\u7576\u67e5\u8a62\u6216\u8a9e\u53e5\u8d85\u51fa\u7cfb\u7d71\u8655\u7406\u8907\u96dc\u6027\u7684\u80fd\u529b\u6642\uff0c\u5373\u53ef\u80fd\u7522\u751f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a54001 &#8211; statement_too_complex\u3002\u70ba\u4e86\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u512a\u5316\u67e5\u8a62\u3001\u5206\u914d\u66f4\u591a\u5167\u5b58\u3001\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u3001\u4f7f\u7528\u67e5\u8a62\u512a\u5316\u6280\u8853\uff0c\u6216\u8003\u616e\u5347\u7d1a\u786c\u4ef6\u6216\u6c34\u5e73\u64f4\u5c55\u3002\u5982\u679c\u60a8\u9047\u5230\u6b64\u932f\u8aa4\uff0c\u8acb\u53ca\u6642\u89e3\u6c7a\uff0c\u4ee5\u78ba\u4fdd PostgreSQL \u6578\u64da\u5eab\u7684\u9806\u5229\u904b\u884c\u3002<\/p>\n<p>\u60f3\u8981\u53ef\u9760\u4e14\u9ad8\u6027\u80fd\u7684 VPS \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u6211\u5011\u7684\u9999\u6e2f VPS \u4e3b\u6a5f\u670d\u52d9\u70ba\u60a8\u904b\u884c PostgreSQL \u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u6240\u9700\u7684\u8cc7\u6e90\u548c\u9748\u6d3b\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":[4925],"tags":[],"class_list":["post-21446","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21446","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=21446"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21446\/revisions"}],"predecessor-version":[{"id":24036,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21446\/revisions\/24036"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}