{"id":67891,"date":"2024-10-15T05:01:18","date_gmt":"2024-10-14T21:01:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/67891\/"},"modified":"2024-10-15T05:01:18","modified_gmt":"2024-10-14T21:01:18","slug":"mysql-error-number-my-011047-symbol-er_wrong_type_for_column_prefix_idx_fld-sqlstate-hy000-%e6%8a%a5%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/67891\/","title":{"rendered":"MySQL Error number: MY-011047; Symbol: ER_WRONG_TYPE_FOR_COLUMN_PREFIX_IDX_FLD; SQLSTATE: HY000 \u62a5\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%e7%a2%bc%ef%bc%9amy-011047%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_wrong_type_for_column_prefix_idx_fld%ef%bc%9bsqlstate%ef%bc%9ahy000-%e6%95%85%e9%9a%9c%e4%bf%ae-YtRpmTPdoz\">MySQL \u932f\u8aa4\u865f\u78bc\uff1aMY-011047\uff1b\u7b26\u865f\uff1aER_WRONG_TYPE_FOR_COLUMN_PREFIX_IDX_FLD\uff1bSQLSTATE\uff1aHY000 \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u932f\u8aa4\u865f\u78bc MY-011047\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u7d22\u5f15\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u5275\u5efa\u6216\u4fee\u6539\u8868\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-YtRpmTPdoz\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MY-011047 \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u7576\u4f60\u5617\u8a66\u5728\u4e00\u500b\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\u6642\uff0c\u8a72\u5217\u7684\u6578\u64da\u985e\u578b\u8207\u7d22\u5f15\u7684\u8981\u6c42\u4e0d\u7b26\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684\u6578\u64da\u985e\u578b\uff0c\u4f8b\u5982\u5728\u4e00\u500b\u5b57\u7b26\u4e32\u5217\u4e0a\u4f7f\u7528\u4e86\u6578\u5b57\u7d22\u5f15\u3002<\/li>\n<li>\u5728\u5275\u5efa\u7d22\u5f15\u6642\uff0c\u6307\u5b9a\u7684\u5217\u524d\u7db4\u9577\u5ea6\u8d85\u904e\u4e86\u8a72\u5217\u7684\u5be6\u969b\u9577\u5ea6\u3002<\/li>\n<li>\u5c0d\u65bc\u67d0\u4e9b\u8907\u5408\u7d22\u5f15\uff0c\u5217\u7684\u6578\u64da\u985e\u578b\u4e0d\u4e00\u81f4\uff0c\u5c0e\u81f4\u7121\u6cd5\u6b63\u78ba\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u4f60\u6709\u4e00\u500b\u8868\u683c\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50),\n    email VARCHAR(100)\n);\n<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u5617\u8a66\u5728 <code>username<\/code> \u5217\u4e0a\u5275\u5efa\u4e00\u500b\u524d\u7db4\u7d22\u5f15\uff0c\u4e26\u4e14\u6307\u5b9a\u7684\u524d\u7db4\u9577\u5ea6\u8d85\u904e\u4e86\u8a72\u5217\u7684\u6700\u5927\u9577\u5ea6\uff0c\u5247\u6703\u51fa\u73fe MY-011047 \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-YtRpmTPdoz\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9 MY-011047 \u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-YtRpmTPdoz\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u8981\u5275\u5efa\u7d22\u5f15\u7684\u5217\u7684\u6578\u64da\u985e\u578b\u3002\u78ba\u4fdd\u8a72\u5217\u7684\u6578\u64da\u985e\u578b\u662f\u652f\u6301\u7d22\u5f15\u7684\u985e\u578b\uff0c\u4f8b\u5982 <code>INT<\/code>\u3001<code>VARCHAR<\/code>\u3001<code>TEXT<\/code> \u7b49\u3002<\/p>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e5%89%8d%e7%b6%b4%e9%95%b7%e5%ba%a6-YtRpmTPdoz\">2. \u8abf\u6574\u524d\u7db4\u9577\u5ea6<\/h3>\n<p>\u5982\u679c\u4f60\u5728\u5275\u5efa\u7d22\u5f15\u6642\u4f7f\u7528\u4e86\u524d\u7db4\uff0c\u8acb\u78ba\u4fdd\u524d\u7db4\u9577\u5ea6\u4e0d\u8d85\u904e\u8a72\u5217\u7684\u5be6\u969b\u9577\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE INDEX idx_username ON users (username(20));\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>username<\/code> \u5217\u7684\u6700\u5927\u9577\u5ea6\u662f 50\uff0c\u56e0\u6b64\u524d\u7db4\u9577\u5ea6 20 \u662f\u5408\u9069\u7684\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e8%a4%87%e5%90%88%e7%b4%a2%e5%bc%95-YtRpmTPdoz\">3. \u6aa2\u67e5\u8907\u5408\u7d22\u5f15<\/h3>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5275\u5efa\u8907\u5408\u7d22\u5f15\uff0c\u8acb\u6aa2\u67e5\u6240\u6709\u5217\u7684\u6578\u64da\u985e\u578b\u662f\u5426\u4e00\u81f4\u3002\u78ba\u4fdd\u6240\u6709\u5217\u90fd\u80fd\u6b63\u78ba\u652f\u6301\u7d22\u5f15\u3002<\/p>\n<pre><code>CREATE INDEX idx_user ON users (username, email);\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>username<\/code> \u548c <code>email<\/code> \u90fd\u662f\u5b57\u7b26\u4e32\u985e\u578b\uff0c\u9019\u6a23\u7684\u7d22\u5f15\u662f\u6709\u6548\u7684\u3002<\/p>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-YtRpmTPdoz\">4. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u5728\u9032\u884c\u4e86\u4e0a\u8ff0\u8abf\u6574\u5f8c\uff0c\u91cd\u65b0\u57f7\u884c\u5275\u5efa\u7d22\u5f15\u7684 SQL \u8a9e\u53e5\uff0c\u4e26\u6aa2\u67e5\u662f\u5426\u4ecd\u7136\u51fa\u73fe\u932f\u8aa4\u3002\u5982\u679c\u554f\u984c\u4ecd\u7136\u5b58\u5728\uff0c\u5efa\u8b70\u67e5\u770b MySQL \u7684\u932f\u8aa4\u65e5\u8a8c\uff0c\u4ee5\u7372\u53d6\u66f4\u591a\u7684\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-YtRpmTPdoz\">\u7d50\u8ad6<\/h2>\n<p>MY-011047 \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u7d22\u5f15\u8a2d\u7f6e\u4e0d\u7576\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u524d\u7db4\u9577\u5ea6\u548c\u8907\u5408\u7d22\u5f15\u7684\u8a2d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u4f7f\u7528 MySQL \u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u9019\u4e9b\u5e38\u898b\u932f\u8aa4\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\uff0c\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fix MySQL Error MY-011047: ER_WRONG_TYPE_FOR_COLUMN_PREFIX_IDX_FLD (SQLSTATE HY000) with remote troubleshooting solutions.<\/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-67891","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/67891","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=67891"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/67891\/revisions"}],"predecessor-version":[{"id":67892,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/67891\/revisions\/67892"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=67891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=67891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=67891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}