{"id":177199,"date":"2024-11-08T14:10:19","date_gmt":"2024-11-08T06:10:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177199\/"},"modified":"2024-11-08T14:10:19","modified_gmt":"2024-11-08T06:10:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41089-sql%e7%8b%80%e6%85%8b%ef%bc%9ahy000%ef%bc%88er_wrong_sub_key%ef%bc%89%e9%8c%af%e8%aa%a4%e7%9a%84%e5%ad%90%e9%83%a8%e5%88%86%e9%8d%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177199\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41089 &#8211; SQL\u72c0\u614b\uff1aHY000\uff08ER_WRONG_SUB_KEY\uff09\u932f\u8aa4\u7684\u5b50\u90e8\u5206\u9375\uff1b\u4f7f\u7528\u7684\u9375\u90e8\u5206\u4e0d\u662f\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528\u7684\u9577\u5ea6\u6bd4\u9375\u90e8\u5206\u9577\uff0c\u6216\u8005\u5b58\u5132\u5f15\u64ce\u4e0d\u652f\u6301\u552f\u4e00\u7684\u5b50\u9375"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41089-sql%e7%8b%80%e6%85%8b%ef%bc%9ahy000%ef%bc%88er_wrong_sub_key%ef%bc%89-etSnqKiyZO\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41089 &#8211; SQL\u72c0\u614b\uff1aHY000\uff08ER_WRONG_SUB_KEY\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\u5c31\u662f\u932f\u8aa41089\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70baHY000\uff0c\u5177\u9ad4\u4fe1\u606f\u70ba\u201c\u932f\u8aa4\u7684\u5b50\u90e8\u5206\u9375\uff1b\u4f7f\u7528\u7684\u9375\u90e8\u5206\u4e0d\u662f\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528\u7684\u9577\u5ea6\u6bd4\u9375\u90e8\u5206\u9577\uff0c\u6216\u8005\u5b58\u5132\u5f15\u64ce\u4e0d\u652f\u6301\u552f\u4e00\u7684\u5b50\u9375\u201d\u3002\u9019\u7bc7\u6587\u7ae0\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-etSnqKiyZO\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u932f\u8aa41089\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u9375\u90e8\u5206\u4e0d\u662f\u5b57\u7b26\u4e32\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u5728\u4e00\u500b\u975e\u5b57\u7b26\u4e32\u985e\u578b\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\u6642\uff0cMySQL\u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6574\u6578\u6216\u65e5\u671f\u985e\u578b\u7684\u5217\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u985e\u578b\u7684\u7d22\u5f15\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7684\u9577\u5ea6\u6bd4\u9375\u90e8\u5206\u9577\uff1a<\/strong>\u5728\u5275\u5efa\u7d22\u5f15\u6642\uff0c\u5982\u679c\u6307\u5b9a\u7684\u9577\u5ea6\u8d85\u904e\u4e86\u5217\u7684\u5be6\u969b\u9577\u5ea6\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528VARCHAR\u985e\u578b\u7684\u5217\u6642\u3002<\/li>\n<li><strong>\u5b58\u5132\u5f15\u64ce\u4e0d\u652f\u6301\u552f\u4e00\u7684\u5b50\u9375\uff1a<\/strong>\u67d0\u4e9b\u5b58\u5132\u5f15\u64ce\uff08\u5982MyISAM\uff09\u5c0d\u65bc\u552f\u4e00\u7d22\u5f15\u7684\u652f\u6301\u6709\u9650\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u7684\u767c\u751f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-etSnqKiyZO\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9MySQL\u932f\u8aa41089\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%b4%a2%e5%bc%95%e5%ae%9a%e7%be%a9-etSnqKiyZO\">1. \u6aa2\u67e5\u7d22\u5f15\u5b9a\u7fa9<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u5275\u5efa\u7d22\u5f15\u7684SQL\u8a9e\u53e5\u3002\u78ba\u4fdd\u4f60\u5728\u6b63\u78ba\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u4e26\u4e14\u8a72\u5217\u7684\u6578\u64da\u985e\u578b\u8207\u7d22\u5f15\u985e\u578b\u76f8\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE INDEX idx_example ON your_table (your_column(10));<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u78ba\u4fddyour_column\u7684\u6578\u64da\u985e\u578b\u662f\u5b57\u7b26\u4e32\u985e\u578b\uff0c\u4e26\u4e14\u9577\u5ea6\u4e0d\u8d85\u904e10\u3002<\/p>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e7%b4%a2%e5%bc%95%e9%95%b7%e5%ba%a6-etSnqKiyZO\">2. \u8abf\u6574\u7d22\u5f15\u9577\u5ea6<\/h3>\n<p>\u5982\u679c\u4f60\u767c\u73fe\u6307\u5b9a\u7684\u9577\u5ea6\u8d85\u904e\u4e86\u5217\u7684\u5be6\u969b\u9577\u5ea6\uff0c\u5247\u9700\u8981\u8abf\u6574\u7d22\u5f15\u7684\u9577\u5ea6\u3002\u4f8b\u5982\uff0c\u5982\u679cyour_column\u7684\u6700\u5927\u9577\u5ea6\u662f5\uff0c\u5247\u61c9\u8a72\u9019\u6a23\u5b9a\u7fa9\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX idx_example ON your_table (your_column(5));<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%94%b9%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-etSnqKiyZO\">3. \u66f4\u6539\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5982\u679c\u4f60\u9700\u8981\u5728\u4e00\u500b\u975e\u5b57\u7b26\u4e32\u985e\u578b\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u8003\u616e\u5c07\u8a72\u5217\u7684\u6578\u64da\u985e\u578b\u66f4\u6539\u70ba\u5b57\u7b26\u4e32\u985e\u578b\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>ALTER TABLE your_table MODIFY your_column VARCHAR(255);<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e-etSnqKiyZO\">4. \u6aa2\u67e5\u5b58\u5132\u5f15\u64ce<\/h3>\n<p>\u78ba\u4fdd\u4f60\u4f7f\u7528\u7684\u5b58\u5132\u5f15\u64ce\u652f\u6301\u4f60\u6240\u9700\u7684\u7d22\u5f15\u985e\u578b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u8868\u7684\u5b58\u5132\u5f15\u64ce\uff1a<\/p>\n<pre><code>SHOW TABLE STATUS LIKE 'your_table';<\/code><\/pre>\n<p>\u5982\u679c\u5b58\u5132\u5f15\u64ce\u4e0d\u652f\u6301\u6240\u9700\u7684\u7d22\u5f15\uff0c\u8003\u616e\u5c07\u5176\u66f4\u6539\u70ba\u652f\u6301\u7684\u5f15\u64ce\uff0c\u4f8b\u5982InnoDB\uff1a<\/p>\n<pre><code>ALTER TABLE your_table ENGINE=InnoDB;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-etSnqKiyZO\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41089\uff08HY000\uff09\u901a\u5e38\u662f\u7531\u65bc\u7d22\u5f15\u5b9a\u7fa9\u4e0d\u6b63\u78ba\u6216\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u7d22\u5f15\u5b9a\u7fa9\u3001\u8abf\u6574\u7d22\u5f15\u9577\u5ea6\u3001\u6539\u8b8a\u6578\u64da\u985e\u578b\u4ee5\u53ca\u6aa2\u67e5\u5b58\u5132\u5f15\u64ce\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41089\uff08HY000\uff09\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u6aa2\u67e5\u9375\u90e8\u5206\u985e\u578b\u3001\u9577\u5ea6\u53ca\u5b58\u5132\u5f15\u64ce\u652f\u6301\uff0c\u78ba\u4fdd\u552f\u4e00\u5b50\u9375\u6b63\u78ba\u8a2d\u7f6e\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-177199","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177199","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=177199"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177199\/revisions"}],"predecessor-version":[{"id":177200,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177199\/revisions\/177200"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}