{"id":177289,"date":"2024-11-08T14:24:14","date_gmt":"2024-11-08T06:24:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177289\/"},"modified":"2024-11-08T14:24:15","modified_gmt":"2024-11-08T06:24:15","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41104-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_too_big_select%ef%bc%89select%e5%b0%87%e6%aa%a2%e6%9f%a5%e8%b6%85%e9%81%8emax_join_size","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177289\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41104 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_TOO_BIG_SELECT\uff09SELECT\u5c07\u6aa2\u67e5\u8d85\u904eMAX_JOIN_SIZE\u884c\uff1b\u6aa2\u67e5\u60a8\u7684WHERE\u4e26\u4f7f\u7528SET SQL_BIG_SELECTS=1\u6216SET SQL_MAX_JOIN_SIZE=#\uff0c\u5982\u679cSELECT\u662f\u53ef\u4ee5\u7684"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41104-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_too_big_select%ef%bc%89-PuGVoSdfto\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41104 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_TOO_BIG_SELECT\uff09<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u932f\u8aa41104\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u4e26\u986f\u793a\u6d88\u606f\u201cSELECT\u5c07\u6aa2\u67e5\u8d85\u904eMAX_JOIN_SIZE\u884c\uff1b\u6aa2\u67e5\u60a8\u7684WHERE\u4e26\u4f7f\u7528SET SQL_BIG_SELECTS=1\u6216SET SQL_MAX_JOIN_SIZE=#\uff0c\u5982\u679cSELECT\u662f\u53ef\u4ee5\u7684\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u57f7\u884c\u8907\u96dc\u7684\u67e5\u8a62\u6642\uff0c\u7279\u5225\u662f\u7576\u67e5\u8a62\u6d89\u53ca\u591a\u500b\u8868\u7684\u806f\u63a5\u6642\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-PuGVoSdfto\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MySQL\u7684\u8a2d\u8a08\u4e2d\uff0c\u70ba\u4e86\u9632\u6b62\u904e\u5927\u7684\u67e5\u8a62\u5f71\u97ff\u6027\u80fd\uff0c\u7cfb\u7d71\u6703\u5c0d\u67e5\u8a62\u7684\u884c\u6578\u9032\u884c\u9650\u5236\u3002\u7576\u67e5\u8a62\u7684\u7d50\u679c\u96c6\u8d85\u904e\u4e86\u9810\u8a2d\u7684\u6700\u5927\u884c\u6578\u6642\uff0c\u5c31\u6703\u89f8\u767c\u932f\u8aa41104\u3002\u9019\u500b\u9650\u5236\u662f\u7531\u53c3\u6578 <code>MAX_JOIN_SIZE<\/code> \u63a7\u5236\u7684\uff0c\u9019\u500b\u53c3\u6578\u7684\u9810\u8a2d\u503c\u901a\u5e38\u662f\u76f8\u5c0d\u8f03\u5c0f\u7684\uff0c\u76ee\u7684\u662f\u4fdd\u8b77\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-PuGVoSdfto\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-PuGVoSdfto\">1. \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u60a8\u7684SQL\u67e5\u8a62\uff0c\u7279\u5225\u662f <code>WHERE<\/code> \u5b50\u53e5\u3002\u78ba\u4fdd\u60a8\u5df2\u7d93\u6b63\u78ba\u5730\u904e\u6ffe\u4e86\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7d22\u5f15\uff1a\u78ba\u4fdd\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5217\u4e0a\u6709\u9069\u7576\u7684\u7d22\u5f15\uff0c\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li>\u7c21\u5316\u806f\u63a5\uff1a\u5982\u679c\u53ef\u80fd\uff0c\u6e1b\u5c11\u806f\u63a5\u7684\u8868\u6578\u91cf\uff0c\u6216\u8005\u4f7f\u7528\u5b50\u67e5\u8a62\u4f86\u5206\u6b65\u57f7\u884c\u67e5\u8a62\u3002<\/li>\n<li>\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\uff1a\u4f7f\u7528 <code>LIMIT<\/code> \u5b50\u53e5\u4f86\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u8d85\u904e\u6700\u5927\u884c\u6578\u9650\u5236\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4mysql%e8%a8%ad%e7%bd%ae-PuGVoSdfto\">2. \u8abf\u6574MySQL\u8a2d\u7f6e<\/h3>\n<p>\u5982\u679c\u512a\u5316\u67e5\u8a62\u5f8c\u4ecd\u7136\u9047\u5230\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u8abf\u6574MySQL\u7684\u8a2d\u7f6e\u3002\u4ee5\u4e0b\u662f\u5169\u500b\u53ef\u4ee5\u8abf\u6574\u7684\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>SET SQL_BIG_SELECTS=1<\/code>\uff1a\u9019\u500b\u547d\u4ee4\u5141\u8a31\u57f7\u884c\u5927\u67e5\u8a62\uff0c\u7121\u8ad6\u7d50\u679c\u96c6\u7684\u5927\u5c0f\u5982\u4f55\u3002<\/li>\n<li><code>SET SQL_MAX_JOIN_SIZE=#<\/code>\uff1a\u9019\u500b\u547d\u4ee4\u5141\u8a31\u60a8\u8a2d\u7f6e\u4e00\u500b\u65b0\u7684\u6700\u5927\u806f\u63a5\u5927\u5c0f\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574\u9019\u500b\u503c\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5728MySQL\u547d\u4ee4\u884c\u4e2d\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SET SQL_BIG_SELECTS=1;<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-PuGVoSdfto\">3. \u6aa2\u67e5\u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u5982\u679c\u7d93\u5e38\u9047\u5230\u9019\u500b\u932f\u8aa4\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u8003\u616e\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u3002\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7d50\u69cb\u5408\u7406\uff0c\u4e26\u4e14\u8868\u4e4b\u9593\u7684\u95dc\u4fc2\u6e05\u6670\u3002\u8003\u616e\u5c07\u4e00\u4e9b\u5927\u578b\u8868\u62c6\u5206\u70ba\u66f4\u5c0f\u7684\u8868\uff0c\u6216\u8005\u4f7f\u7528\u6578\u64da\u5206\u5340\u6280\u8853\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PuGVoSdfto\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41104\u901a\u5e38\u662f\u7531\u65bc\u67e5\u8a62\u7d50\u679c\u96c6\u8d85\u904e\u4e86\u7cfb\u7d71\u7684\u6700\u5927\u884c\u6578\u9650\u5236\u3002\u901a\u904e\u512a\u5316\u67e5\u8a62\u3001\u8abf\u6574MySQL\u8a2d\u7f6e\u4ee5\u53ca\u6aa2\u67e5\u6578\u64da\u5eab\u8a2d\u8a08\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u904b\u884c\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41104\u7684\u65b9\u6cd5\uff1a\u6aa2\u67e5WHERE\u689d\u4ef6\uff0c\u4e26\u4f7f\u7528SET SQL_BIG_SELECTS=1\u6216SET SQL_MAX_JOIN_SIZE=#\u4f86\u89e3\u6c7a\u67e5\u8a62\u9650\u5236\u554f\u984c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-177289","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177289","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=177289"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177289\/revisions"}],"predecessor-version":[{"id":177301,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177289\/revisions\/177301"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}