{"id":177161,"date":"2024-11-08T13:51:19","date_gmt":"2024-11-08T05:51:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177161\/"},"modified":"2024-11-08T13:51:20","modified_gmt":"2024-11-08T05:51:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41070-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_too_many_key_parts%ef%bc%89%e6%8c%87%e5%ae%9a%e4%ba%86%e5%a4%aa%e5%a4%9a%e9%8d%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177161\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41070 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_TOO_MANY_KEY_PARTS\uff09\u6307\u5b9a\u4e86\u592a\u591a\u9375\u90e8\u5206\uff1b\u5141\u8a31\u7684\u6700\u591a%d\u500b\u90e8\u5206"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41070-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_too_many_key_parts%ef%bc%89-GmOavpUCbn\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41070 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_TOO_MANY_KEY_PARTS\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\u8aa41070\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u63d0\u793a\u201c\u6307\u5b9a\u4e86\u592a\u591a\u9375\u90e8\u5206\uff1b\u5141\u8a31\u7684\u6700\u591a%d\u500b\u90e8\u5206\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u7d22\u5f15\u7684\u8a2d\u7f6e\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u5275\u5efa\u8907\u5408\u7d22\u5f15\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a41070%e7%9a%84%e5%8e%9f%e5%9b%a0-GmOavpUCbn\">\u932f\u8aa41070\u7684\u539f\u56e0<\/h2>\n<p>MySQL\u5c0d\u65bc\u7d22\u5f15\u7684\u9375\u90e8\u5206\u6578\u91cf\u6709\u4e00\u5b9a\u7684\u9650\u5236\u3002\u6839\u64da\u4e0d\u540c\u7684\u5b58\u5132\u5f15\u64ce\uff0c\u9019\u500b\u9650\u5236\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u5c0d\u65bcInnoDB\u5b58\u5132\u5f15\u64ce\uff0c\u6700\u591a\u5141\u8a31\u7684\u9375\u90e8\u5206\u6578\u91cf\u70ba16\uff0c\u800c\u5c0d\u65bcMyISAM\u5b58\u5132\u5f15\u64ce\uff0c\u5247\u70ba64\u3002\u5982\u679c\u5728\u5275\u5efa\u7d22\u5f15\u6642\u6307\u5b9a\u7684\u9375\u90e8\u5206\u6578\u91cf\u8d85\u904e\u4e86\u9019\u500b\u9650\u5236\uff0c\u5c31\u6703\u51fa\u73fe\u932f\u8aa41070\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-GmOavpUCbn\">\u793a\u4f8b<\/h3>\n<pre><code>CREATE TABLE example (\n    id INT NOT NULL,\n    name VARCHAR(255),\n    age INT,\n    address VARCHAR(255),\n    PRIMARY KEY (id),\n    UNIQUE KEY unique_index (name, age, address, phone, email)  -- \u5047\u8a2d\u9019\u88e1\u67095\u500b\u90e8\u5206\n);\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u5982\u679c\u6211\u5011\u7684\u6578\u64da\u5eab\u8a2d\u7f6e\u9650\u5236\u4e86\u9375\u90e8\u5206\u7684\u6578\u91cf\uff0c\u5247\u6703\u5c0e\u81f4\u932f\u8aa41070\u7684\u51fa\u73fe\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41070-GmOavpUCbn\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41070<\/h2>\n<p>\u4fee\u5fa9\u932f\u8aa41070\u7684\u65b9\u6cd5\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>\u6e1b\u5c11\u9375\u90e8\u5206\u7684\u6578\u91cf\uff1a<\/strong>\u6700\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u6e1b\u5c11\u7d22\u5f15\u4e2d\u5305\u542b\u7684\u9375\u90e8\u5206\u6578\u91cf\u3002\u6839\u64da\u5be6\u969b\u9700\u6c42\uff0c\u9078\u64c7\u6700\u91cd\u8981\u7684\u5e7e\u500b\u5b57\u6bb5\u4f86\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n<li><strong>\u91cd\u65b0\u8a2d\u8a08\u6578\u64da\u8868\u7d50\u69cb\uff1a<\/strong>\u5982\u679c\u767c\u73fe\u7d93\u5e38\u9700\u8981\u4f7f\u7528\u591a\u500b\u5b57\u6bb5\u9032\u884c\u67e5\u8a62\uff0c\u53ef\u4ee5\u8003\u616e\u91cd\u65b0\u8a2d\u8a08\u6578\u64da\u8868\u7d50\u69cb\uff0c\u5c07\u76f8\u95dc\u5b57\u6bb5\u5408\u4f75\u6216\u62c6\u5206\uff0c\u4ee5\u6e1b\u5c11\u7d22\u5f15\u7684\u8907\u96dc\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e0d\u540c\u7684\u5b58\u5132\u5f15\u64ce\uff1a<\/strong>\u5982\u679c\u4f7f\u7528\u7684\u662fMyISAM\u5b58\u5132\u5f15\u64ce\uff0c\u53ef\u4ee5\u8003\u616e\u5207\u63db\u5230InnoDB\uff0c\u56e0\u70baInnoDB\u5c0d\u9375\u90e8\u5206\u7684\u9650\u5236\u8f03\u4f4e\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bf%ae%e5%be%a9-GmOavpUCbn\">\u793a\u4f8b\u4fee\u5fa9<\/h3>\n<pre><code>CREATE TABLE example (\n    id INT NOT NULL,\n    name VARCHAR(255),\n    age INT,\n    address VARCHAR(255),\n    phone VARCHAR(50),\n    email VARCHAR(100),\n    PRIMARY KEY (id),\n    UNIQUE KEY unique_index (name, age)  -- \u6e1b\u5c11\u52302\u500b\u90e8\u5206\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4fee\u5fa9\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07\u7d22\u5f15\u7684\u9375\u90e8\u5206\u6578\u91cf\u6e1b\u5c11\u52302\uff0c\u9019\u6a23\u5c31\u4e0d\u6703\u518d\u89f8\u767c\u932f\u8aa41070\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GmOavpUCbn\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41070\u901a\u5e38\u662f\u7531\u65bc\u7d22\u5f15\u4e2d\u6307\u5b9a\u7684\u9375\u90e8\u5206\u6578\u91cf\u8d85\u904e\u4e86\u5141\u8a31\u7684\u9650\u5236\u3002\u901a\u904e\u6e1b\u5c11\u9375\u90e8\u5206\u7684\u6578\u91cf\u3001\u91cd\u65b0\u8a2d\u8a08\u6578\u64da\u8868\u7d50\u69cb\u6216\u9078\u64c7\u5408\u9069\u7684\u5b58\u5132\u5f15\u64ce\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u914d\u7f6e\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41070\u7684\u65b9\u6cd5\uff0c\u89e3\u91cb\u5982\u4f55\u8655\u7406\u201c\u6307\u5b9a\u4e86\u592a\u591a\u9375\u90e8\u5206\u201d\u7684\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\u4ee5\u7b26\u5408\u6700\u5927\u90e8\u5206\u9650\u5236\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-177161","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177161","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=177161"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177161\/revisions"}],"predecessor-version":[{"id":177162,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177161\/revisions\/177162"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}