{"id":177159,"date":"2024-11-08T13:50:19","date_gmt":"2024-11-08T05:50:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177159\/"},"modified":"2024-11-08T13:50:20","modified_gmt":"2024-11-08T05:50:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41069-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_too_many_keys%ef%bc%89%e6%8c%87%e5%ae%9a%e4%ba%86%e5%a4%aa%e5%a4%9a%e9%8d%b5%ef%bc%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177159\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41069 – SQL\u72c0\u614b\uff1a42000\uff08ER_TOO_MANY_KEYS\uff09\u6307\u5b9a\u4e86\u592a\u591a\u9375\uff1b\u5141\u8a31\u7684\u6700\u591a%d\u500b\u9375"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41069 – SQL\u72c0\u614b\uff1a42000\uff08ER_TOO_MANY_KEYS\uff09\u6307\u5b9a\u4e86\u592a\u591a\u9375\uff1b\u5141\u8a31\u7684\u6700\u591a%d\u500b\u9375<\/h1>\n

\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\u5c31\u662f\u932f\u8aa41069\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u8868\u793a\u201c\u6307\u5b9a\u4e86\u592a\u591a\u9375\uff1b\u5141\u8a31\u7684\u6700\u591a%d\u500b\u9375\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5275\u5efa\u6216\u4fee\u6539\u8868\u6642\uff0c\u7576\u4f60\u5617\u8a66\u6dfb\u52a0\u7684\u7d22\u5f15\u6578\u91cf\u8d85\u904e\u4e86MySQL\u7684\u9650\u5236\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u932f\u8aa4\u539f\u56e0<\/h2>\n

MySQL\u5c0d\u65bc\u6bcf\u500b\u8868\u7684\u7d22\u5f15\u6578\u91cf\u6709\u4e00\u5b9a\u7684\u9650\u5236\uff0c\u9019\u500b\u9650\u5236\u53d6\u6c7a\u65bc\u8868\u7684\u5b58\u5132\u5f15\u64ce\u548c\u6578\u64da\u985e\u578b\u3002\u5c0d\u65bcInnoDB\u5b58\u5132\u5f15\u64ce\uff0c\u6700\u591a\u53ef\u4ee5\u670964\u500b\u7d22\u5f15\uff0c\u800c\u5c0d\u65bcMyISAM\u5b58\u5132\u5f15\u64ce\uff0c\u5247\u6700\u591a\u53ef\u4ee5\u670964\u500b\u7d22\u5f15\u3002\u7576\u4f60\u5617\u8a66\u5275\u5efa\u7684\u7d22\u5f15\u6578\u91cf\u8d85\u904e\u9019\u500b\u9650\u5236\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u932f\u8aa41069\u3002<\/p>\n

\u5982\u4f55\u6aa2\u67e5\u7576\u524d\u7d22\u5f15\u6578\u91cf<\/h2>\n

\u5728\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7576\u524d\u8868\u4e2d\u5df2\u7d93\u5b58\u5728\u7684\u7d22\u5f15\u6578\u91cf\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\u8868\u7684\u7d22\u5f15\u4fe1\u606f\uff1a<\/p>\n

SHOW INDEX FROM your_table_name;<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u986f\u793a\u8a72\u8868\u4e2d\u6240\u6709\u7684\u7d22\u5f15\uff0c\u5305\u62ec\u7d22\u5f15\u540d\u7a31\u3001\u552f\u4e00\u6027\u3001\u5217\u540d\u7b49\u4fe1\u606f\u3002\u901a\u904e\u9019\u4e9b\u4fe1\u606f\uff0c\u4f60\u53ef\u4ee5\u78ba\u5b9a\u7576\u524d\u7684\u7d22\u5f15\u6578\u91cf\u3002<\/p>\n
\u89e3\u6c7a\u65b9\u6848<\/h2>\n
1. \u522a\u9664\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15<\/h3>\n
\u5982\u679c\u767c\u73fe\u8868\u4e2d\u5b58\u5728\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\uff0c\u53ef\u4ee5\u8003\u616e\u522a\u9664\u5b83\u5011\u3002\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u522a\u9664\u7d22\u5f15\uff1a<\/p>\n
ALTER TABLE your_table_name DROP INDEX index_name;<\/code><\/pre>\n
\u5728\u9019\u88e1\uff0c`index_name`\u662f\u4f60\u60f3\u8981\u522a\u9664\u7684\u7d22\u5f15\u540d\u7a31\u3002\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u53ef\u4ee5\u91cb\u653e\u51fa\u7a7a\u9593\uff0c\u8b93\u4f60\u80fd\u5920\u6dfb\u52a0\u65b0\u7684\u7d22\u5f15\u3002<\/p>\n
2. \u5408\u4f75\u7d22\u5f15<\/h3>\n
\u5982\u679c\u6709\u591a\u500b\u7d22\u5f15\u662f\u91dd\u5c0d\u76f8\u540c\u7684\u5217\u6216\u76f8\u4f3c\u7684\u5217\uff0c\u53ef\u4ee5\u8003\u616e\u5408\u4f75\u9019\u4e9b\u7d22\u5f15\u3002\u9019\u6a23\u4e0d\u50c5\u53ef\u4ee5\u6e1b\u5c11\u7d22\u5f15\u7684\u6578\u91cf\uff0c\u9084\u80fd\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n
ALTER TABLE your_table_name DROP INDEX old_index_name, ADD INDEX new_index_name (column1, column2);<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u522a\u9664\u820a\u7684\u7d22\u5f15\u4e26\u6dfb\u52a0\u4e00\u500b\u65b0\u7684\u5408\u4f75\u7d22\u5f15\u3002<\/p>\n
3. \u4f7f\u7528\u4e0d\u540c\u7684\u5b58\u5132\u5f15\u64ce<\/h3>\n
\u5982\u679c\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u5927\u91cf\u7684\u7d22\u5f15\uff0c\u8003\u616e\u4f7f\u7528\u4e0d\u540c\u7684\u5b58\u5132\u5f15\u64ce\u3002\u4f8b\u5982\uff0cInnoDB\u548cMyISAM\u7684\u7d22\u5f15\u9650\u5236\u4e0d\u540c\u3002\u6839\u64da\u4f60\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5b58\u5132\u5f15\u64ce\u53ef\u80fd\u6703\u6709\u6240\u5e6b\u52a9\u3002<\/p>\n
ALTER TABLE your_table_name ENGINE=MyISAM;<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u8868\u7684\u5b58\u5132\u5f15\u64ce\u66f4\u6539\u70baMyISAM\uff0c\u5f9e\u800c\u53ef\u80fd\u5141\u8a31\u66f4\u591a\u7684\u7d22\u5f15\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
MySQL\u932f\u8aa41069\uff08ER_TOO_MANY_KEYS\uff09\u901a\u5e38\u662f\u7531\u65bc\u7d22\u5f15\u6578\u91cf\u8d85\u904e\u4e86\u5141\u8a31\u7684\u9650\u5236\u3002\u901a\u904e\u6aa2\u67e5\u7576\u524d\u7d22\u5f15\u6578\u91cf\u3001\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u3001\u5408\u4f75\u7d22\u5f15\u6216\u8003\u616e\u4f7f\u7528\u4e0d\u540c\u7684\u5b58\u5132\u5f15\u64ce\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u89e3\u6c7a\u65b9\u6848\u5f8c\uff0c\u4f60\u5c07\u80fd\u5920\u66f4\u597d\u5730\u7ba1\u7406\u4f60\u7684\u6578\u64da\u5eab\uff0c\u907f\u514d\u672a\u4f86\u51fa\u73fe\u985e\u4f3c\u7684\u932f\u8aa4\u3002<\/p>\n
\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 \u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4fee\u5fa9MySQL\u932f\u8aa41069\uff08ER_TOO_MANY_KEYS\uff09\u7684\u65b9\u6cd5\uff0c\u89e3\u91cb\u5982\u4f55\u8655\u7406\u8d85\u904e\u5141\u8a31\u9375\u6578\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\u884c\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-177159","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177159","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=177159"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177159\/revisions"}],"predecessor-version":[{"id":177160,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177159\/revisions\/177160"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}