{"id":177593,"date":"2024-11-08T15:26:20","date_gmt":"2024-11-08T07:26:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177593\/"},"modified":"2024-11-08T15:26:20","modified_gmt":"2024-11-08T07:26:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41167-sqlstate-42000%ef%bc%88er_wrong_key_column%ef%bc%89%e6%89%80%e4%bd%bf%e7%94%a8%e7%9a%84%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e%e4%b8%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177593\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41167 &#8211; SQLSTATE: 42000\uff08ER_WRONG_KEY_COLUMN\uff09\u6240\u4f7f\u7528\u7684\u5b58\u5132\u5f15\u64ce\u4e0d\u80fd\u5c0d\u5217&#8217;%s&#8217;\u9032\u884c\u7d22\u5f15"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41167-sqlstate-42000%ef%bc%88er_wrong_key_column%ef%bc%89%e6%89%80%e4%bd%bf%e7%94%a8%e7%9a%84%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e%e4%b8%8d-MoMjNXfUsM\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41167 &#8211; SQLSTATE: 42000\uff08ER_WRONG_KEY_COLUMN\uff09\u6240\u4f7f\u7528\u7684\u5b58\u5132\u5f15\u64ce\u4e0d\u80fd\u5c0d\u5217&#8217;%s&#8217;\u9032\u884c\u7d22\u5f15<\/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\u5c31\u662f\u932f\u8aa41167\uff0c\u8a72\u932f\u8aa4\u7684\u63d0\u793a\u4fe1\u606f\u70ba\u201c\u6240\u4f7f\u7528\u7684\u5b58\u5132\u5f15\u64ce\u4e0d\u80fd\u5c0d\u5217&#8217;%s&#8217;\u9032\u884c\u7d22\u5f15\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6578\u64da\u5eab\u7684\u5b58\u5132\u5f15\u64ce\u548c\u7d22\u5f15\u7684\u8a2d\u7f6e\u6709\u95dc\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a41167%e7%9a%84%e6%88%90%e5%9b%a0-MoMjNXfUsM\">\u932f\u8aa41167\u7684\u6210\u56e0<\/h2>\n<p>\u932f\u8aa41167\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u4e0d\u652f\u6301\u7684\u6578\u64da\u985e\u578b\uff1a<\/strong>\u67d0\u4e9b\u5b58\u5132\u5f15\u64ce\u4e0d\u652f\u6301\u7279\u5b9a\u7684\u6578\u64da\u985e\u578b\u9032\u884c\u7d22\u5f15\u3002\u4f8b\u5982\uff0cMyISAM\u5b58\u5132\u5f15\u64ce\u4e0d\u652f\u6301\u5c0dTEXT\u6216BLOB\u985e\u578b\u7684\u5217\u9032\u884c\u7d22\u5f15\u3002<\/li>\n<li><strong>\u5b58\u5132\u5f15\u64ce\u4e0d\u5339\u914d\uff1a<\/strong>\u5982\u679c\u8868\u7684\u5b58\u5132\u5f15\u64ce\u4e0d\u652f\u6301\u7d22\u5f15\u7684\u5217\u985e\u578b\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528\u4e0d\u540c\u5b58\u5132\u5f15\u64ce\u7684\u8868\u4e4b\u9593\u9032\u884c\u64cd\u4f5c\u6642\u3002<\/li>\n<li><strong>\u5217\u7684\u5c6c\u6027\u8a2d\u7f6e\u4e0d\u7576\uff1a<\/strong>\u67d0\u4e9b\u5217\u7684\u5c6c\u6027\uff08\u5982NULL\u6216UNSIGNED\uff09\u53ef\u80fd\u6703\u5f71\u97ff\u7d22\u5f15\u7684\u5275\u5efa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41167-MoMjNXfUsM\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41167<\/h2>\n<p>\u4fee\u5fa9\u932f\u8aa41167\u7684\u65b9\u6cd5\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e-MoMjNXfUsM\">1. \u6aa2\u67e5\u5b58\u5132\u5f15\u64ce<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u8868\u7684\u5b58\u5132\u5f15\u64ce\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u770b\u8868\u7684\u5b58\u5132\u5f15\u64ce\uff1a<\/p>\n<pre><code>SHOW TABLE STATUS LIKE 'your_table_name';<\/code><\/pre>\n<p>\u5982\u679c\u8868\u7684\u5b58\u5132\u5f15\u64ce\u662fMyISAM\uff0c\u4e26\u4e14\u4f60\u5617\u8a66\u5c0dTEXT\u6216BLOB\u985e\u578b\u7684\u5217\u9032\u884c\u7d22\u5f15\uff0c\u5247\u9700\u8981\u8003\u616e\u66f4\u6539\u5b58\u5132\u5f15\u64ce\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c07\u5b58\u5132\u5f15\u64ce\u66f4\u6539\u70baInnoDB\uff0c\u8a72\u5f15\u64ce\u652f\u6301\u66f4\u591a\u7684\u6578\u64da\u985e\u578b\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name ENGINE=InnoDB;<\/code><\/pre>\n<h3 id=\"2-%e6%9b%b4%e6%94%b9%e5%88%97%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-MoMjNXfUsM\">2. \u66f4\u6539\u5217\u7684\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5982\u679c\u4e0d\u60f3\u66f4\u6539\u5b58\u5132\u5f15\u64ce\uff0c\u53ef\u4ee5\u8003\u616e\u66f4\u6539\u5217\u7684\u6578\u64da\u985e\u578b\u3002\u4f8b\u5982\uff0c\u5c07TEXT\u985e\u578b\u7684\u5217\u66f4\u6539\u70baVARCHAR\u985e\u578b\uff0c\u9019\u6a23\u5c31\u53ef\u4ee5\u5c0d\u5176\u9032\u884c\u7d22\u5f15\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name MODIFY your_column_name VARCHAR(255);<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%88%97%e7%9a%84%e5%b1%ac%e6%80%a7-MoMjNXfUsM\">3. \u6aa2\u67e5\u5217\u7684\u5c6c\u6027<\/h3>\n<p>\u78ba\u4fdd\u5217\u7684\u5c6c\u6027\u8a2d\u7f6e\u6b63\u78ba\u3002\u5c0d\u65bc\u9700\u8981\u7d22\u5f15\u7684\u5217\uff0c\u61c9\u8a72\u8a2d\u7f6e\u70baNOT NULL\uff0c\u4e26\u4e14\u907f\u514d\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684\u5c6c\u6027\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u6aa2\u67e5\u5217\u7684\u5c6c\u6027\uff1a<\/p>\n<pre><code>SHOW COLUMNS FROM your_table_name;<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e5%90%88%e9%81%a9%e7%9a%84%e7%b4%a2%e5%bc%95%e9%a1%9e%e5%9e%8b-MoMjNXfUsM\">4. \u4f7f\u7528\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b<\/h3>\n<p>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u5b57\u7b26\u4e32\u985e\u578b\u7684\u5217\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u524d\u7db4\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX idx_your_column_name ON your_table_name(your_column_name(10));<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MoMjNXfUsM\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41167\u901a\u5e38\u8207\u5b58\u5132\u5f15\u64ce\u548c\u7d22\u5f15\u7684\u8a2d\u7f6e\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u5b58\u5132\u5f15\u64ce\u3001\u4fee\u6539\u5217\u7684\u6578\u64da\u985e\u578b\u3001\u6aa2\u67e5\u5217\u7684\u5c6c\u6027\u4ee5\u53ca\u4f7f\u7528\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41167\uff08ER_WRONG_KEY_COLUMN\uff09\u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a\u5b58\u5132\u5f15\u64ce\u7121\u6cd5\u5c0d\u6307\u5b9a\u5217\u9032\u884c\u7d22\u5f15\u7684\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-177593","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177593","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=177593"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177593\/revisions"}],"predecessor-version":[{"id":177594,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177593\/revisions\/177594"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}