{"id":66765,"date":"2024-10-14T20:26:15","date_gmt":"2024-10-14T12:26:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66765\/"},"modified":"2024-10-14T20:26:16","modified_gmt":"2024-10-14T12:26:16","slug":"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3776%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_fk_cannot_change_engine%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66765\/","title":{"rendered":"MySQL \u932f\u8aa4\u865f\uff1a3776\uff1b\u7b26\u865f\uff1aER_FK_CANNOT_CHANGE_ENGINE\uff1bSQLSTATE\uff1aHY000 \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3776%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_fk_cannot_change_engine%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-OGGXWLXyEt\">MySQL \u932f\u8aa4\u865f\uff1a3776\uff1b\u7b26\u865f\uff1aER_FK_CANNOT_CHANGE_ENGINE\uff1bSQLSTATE\uff1aHY000 \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u932f\u8aa4\u865f 3776\uff0c\u7b26\u865f\u70ba ER_FK_CANNOT_CHANGE_ENGINE\uff0cSQLSTATE \u70ba HY000\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u5916\u9375\u7d04\u675f\u548c\u5b58\u5132\u5f15\u64ce\u7684\u8b8a\u66f4\u6709\u95dc\uff0c\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%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-OGGXWLXyEt\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u7576\u4f60\u5617\u8a66\u66f4\u6539\u4e00\u500b\u8868\u7684\u5b58\u5132\u5f15\u64ce\u6642\uff0c\u5982\u679c\u8a72\u8868\u8207\u5176\u4ed6\u8868\u5b58\u5728\u5916\u9375\u7d04\u675f\uff0cMySQL \u6703\u963b\u6b62\u9019\u4e00\u64cd\u4f5c\u3002\u9019\u662f\u56e0\u70ba\u4e0d\u540c\u7684\u5b58\u5132\u5f15\u64ce\u53ef\u80fd\u5c0d\u5916\u9375\u7684\u652f\u6301\u7a0b\u5ea6\u4e0d\u540c\u3002\u4f8b\u5982\uff0cInnoDB \u652f\u6301\u5916\u9375\uff0c\u800c MyISAM \u5247\u4e0d\u652f\u6301\u3002\u7576\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u4f7f\u7528 InnoDB \u7684\u8868\u66f4\u6539\u70ba MyISAM \u6642\uff0c\u5c31\u6703\u51fa\u73fe\u9019\u500b\u932f\u8aa4\u3002<\/p>\n<h3 id=\"%e5%b8%b8%e8%a6%8b%e5%a0%b4%e6%99%af-OGGXWLXyEt\">\u5e38\u898b\u5834\u666f<\/h3>\n<ul>\n<li>\u5728\u4e00\u500b InnoDB \u8868\u4e2d\u6709\u5916\u9375\u7d04\u675f\uff0c\u7136\u5f8c\u5617\u8a66\u5c07\u5176\u66f4\u6539\u70ba MyISAM\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u5eab\u9077\u79fb\u6642\uff0c\u672a\u8003\u616e\u5230\u5916\u9375\u7d04\u675f\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u968e\u6bb5\uff0c\u672a\u6b63\u78ba\u9078\u64c7\u5b58\u5132\u5f15\u64ce\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-OGGXWLXyEt\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%aa%a2%e6%9f%a5%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-OGGXWLXyEt\">\u6b65\u9a5f\u4e00\uff1a\u6aa2\u67e5\u5916\u9375\u7d04\u675f<\/h3>\n<pre><code>SHOW CREATE TABLE your_table_name;<\/code><\/pre>\n<p>\u4f7f\u7528\u4e0a\u8ff0 SQL \u8a9e\u53e5\u6aa2\u67e5\u8868\u7684\u5275\u5efa\u8a9e\u53e5\uff0c\u7279\u5225\u662f\u5916\u9375\u7d04\u675f\u7684\u90e8\u5206\u3002\u78ba\u4fdd\u4e86\u89e3\u54ea\u4e9b\u8868\u4e4b\u9593\u5b58\u5728\u5916\u9375\u95dc\u4fc2\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%88%aa%e9%99%a4%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-OGGXWLXyEt\">\u6b65\u9a5f\u4e8c\uff1a\u522a\u9664\u5916\u9375\u7d04\u675f<\/h3>\n<p>\u5982\u679c\u78ba\u5b9a\u9700\u8981\u66f4\u6539\u5b58\u5132\u5f15\u64ce\uff0c\u53ef\u4ee5\u5148\u522a\u9664\u5916\u9375\u7d04\u675f\u3002\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name DROP FOREIGN KEY foreign_key_name;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u66ab\u6642\u79fb\u9664\u5916\u9375\u7d04\u675f\uff0c\u5141\u8a31\u4f60\u66f4\u6539\u5b58\u5132\u5f15\u64ce\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%9b%b4%e6%94%b9%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e-OGGXWLXyEt\">\u6b65\u9a5f\u4e09\uff1a\u66f4\u6539\u5b58\u5132\u5f15\u64ce<\/h3>\n<p>\u5728\u522a\u9664\u5916\u9375\u7d04\u675f\u5f8c\uff0c\u53ef\u4ee5\u9032\u884c\u5b58\u5132\u5f15\u64ce\u7684\u66f4\u6539\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name ENGINE = MyISAM;<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e9%87%8d%e6%96%b0%e6%b7%bb%e5%8a%a0%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-OGGXWLXyEt\">\u6b65\u9a5f\u56db\uff1a\u91cd\u65b0\u6dfb\u52a0\u5916\u9375\u7d04\u675f<\/h3>\n<p>\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u5728\u66f4\u6539\u5b58\u5132\u5f15\u64ce\u5f8c\u91cd\u65b0\u6dfb\u52a0\u5916\u9375\u7d04\u675f\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name ADD CONSTRAINT foreign_key_name FOREIGN KEY (column_name) REFERENCES other_table (other_column);<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-OGGXWLXyEt\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/h2>\n<p>\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u78ba\u4fdd\u4f60\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u4e0a\u8ff0\u64cd\u4f5c\u3002\u4f7f\u7528 SSH \u6216\u5176\u4ed6\u5b89\u5168\u7684\u9060\u7a0b\u9023\u63a5\u5de5\u5177\uff0c\u4e26\u5728\u9032\u884c\u4efb\u4f55\u66f4\u6539\u4e4b\u524d\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OGGXWLXyEt\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u932f\u8aa4\u865f 3776 \u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u8207\u5916\u9375\u7d04\u675f\u548c\u5b58\u5132\u5f15\u64ce\u7684\u8b8a\u66f4\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u5916\u9375\u7d04\u675f\u3001\u522a\u9664\u7d04\u675f\u3001\u66f4\u6539\u5b58\u5132\u5f15\u64ce\u4ee5\u53ca\u91cd\u65b0\u6dfb\u52a0\u7d04\u675f\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5728\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u5eab\u4ee5\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u53ef\u9760\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>\u89e3\u6c7a MySQL \u932f\u8aa4\u865f 3776 (ER_FK_CANNOT_CHANGE_ENGINE) \u7684\u6545\u969c\uff0c\u63d0\u4f9b\u9060\u7a0b\u8655\u7406\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u5f15\u64ce\u8f49\u63db\u9806\u5229\u9032\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-66765","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66765","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=66765"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66765\/revisions"}],"predecessor-version":[{"id":66766,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66765\/revisions\/66766"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}