{"id":177171,"date":"2024-11-08T13:56:19","date_gmt":"2024-11-08T05:56:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177171\/"},"modified":"2024-11-08T13:56:20","modified_gmt":"2024-11-08T05:56:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41075-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_wrong_auto_key%ef%bc%89%e8%a1%a8%e5%ae%9a%e7%be%a9%e4%b8%8d%e6%ad%a3%e7%a2%ba%ef%bc%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177171\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41075 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_WRONG_AUTO_KEY\uff09\u8868\u5b9a\u7fa9\u4e0d\u6b63\u78ba\uff1b\u53ea\u80fd\u6709\u4e00\u500b\u81ea\u52d5\u5217\uff0c\u4e26\u4e14\u5fc5\u9808\u5c07\u5176\u5b9a\u7fa9\u70ba\u95dc\u9375\u5b57"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41075-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_wrong_auto_key%ef%bc%89-jGKRqTcbeW\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41075 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_WRONG_AUTO_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\u8aa41075\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u5177\u9ad4\u4fe1\u606f\u70ba\u201c\u8868\u5b9a\u7fa9\u4e0d\u6b63\u78ba\uff1b\u53ea\u80fd\u6709\u4e00\u500b\u81ea\u52d5\u5217\uff0c\u4e26\u4e14\u5fc5\u9808\u5c07\u5176\u5b9a\u7fa9\u70ba\u95dc\u9375\u5b57\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u5275\u5efa\u6216\u4fee\u6539\u8868\u6642\uff0c\u5c24\u5176\u662f\u7576\u6d89\u53ca\u81ea\u52d5\u589e\u91cf\uff08AUTO_INCREMENT\uff09\u5217\u6642\u3002\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%a41075%e7%9a%84%e5%8e%9f%e5%9b%a0-jGKRqTcbeW\">\u932f\u8aa41075\u7684\u539f\u56e0<\/h2>\n<p>\u932f\u8aa41075\u7684\u4e3b\u8981\u539f\u56e0\u662f\u8868\u4e2d\u5b9a\u7fa9\u4e86\u591a\u500b\u81ea\u52d5\u589e\u91cf\u5217\uff0c\u6216\u8005\u81ea\u52d5\u589e\u91cf\u5217\u672a\u88ab\u6b63\u78ba\u8a2d\u7f6e\u70ba\u4e3b\u9375\u3002\u6839\u64daMySQL\u7684\u898f\u5b9a\uff0c\u6bcf\u500b\u8868\u53ea\u80fd\u6709\u4e00\u500b\u81ea\u52d5\u589e\u91cf\u5217\uff0c\u4e26\u4e14\u8a72\u5217\u5fc5\u9808\u662f\u4e3b\u9375\u6216\u552f\u4e00\u9375\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u60c5\u6cc1\uff0c\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u7684\u767c\u751f\uff1a<\/p>\n<ul>\n<li>\u5728\u5275\u5efa\u8868\u6642\uff0c\u5b9a\u7fa9\u4e86\u591a\u500b\u81ea\u52d5\u589e\u91cf\u5217\u3002<\/li>\n<li>\u81ea\u52d5\u589e\u91cf\u5217\u672a\u88ab\u8a2d\u7f6e\u70ba\u4e3b\u9375\u6216\u552f\u4e00\u9375\u3002<\/li>\n<li>\u5728\u4fee\u6539\u8868\u7d50\u69cb\u6642\uff0c\u5617\u8a66\u5c07\u4e00\u500b\u975e\u4e3b\u9375\u5217\u8a2d\u7f6e\u70ba\u81ea\u52d5\u589e\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41075-jGKRqTcbeW\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41075<\/h2>\n<p>\u8981\u4fee\u5fa9\u932f\u8aa41075\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u8868\u7684\u5b9a\u7fa9\uff0c\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u81ea\u52d5\u589e\u91cf\u5217\uff0c\u4e26\u4e14\u8a72\u5217\u5fc5\u9808\u662f\u4e3b\u9375\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e6%aa%a2%e6%9f%a5%e8%a1%a8%e7%b5%90%e6%a7%8b-jGKRqTcbeW\">\u6b65\u9a5f1\uff1a\u6aa2\u67e5\u8868\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u6aa2\u67e5\u8868\u7684\u7d50\u69cb\uff1a<\/p>\n<pre><code>SHOW CREATE TABLE your_table_name;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u8868\u7684\u5275\u5efa\u8a9e\u53e5\uff0c\u60a8\u53ef\u4ee5\u6aa2\u67e5\u662f\u5426\u6709\u591a\u500b\u81ea\u52d5\u589e\u91cf\u5217\u6216\u81ea\u52d5\u589e\u91cf\u5217\u662f\u5426\u6b63\u78ba\u8a2d\u7f6e\u70ba\u4e3b\u9375\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e4%bf%ae%e6%94%b9%e8%a1%a8%e7%b5%90%e6%a7%8b-jGKRqTcbeW\">\u6b65\u9a5f2\uff1a\u4fee\u6539\u8868\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u6709\u591a\u500b\u81ea\u52d5\u589e\u91cf\u5217\uff0c\u60a8\u9700\u8981\u522a\u9664\u591a\u9918\u7684\u5217\u3002\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u540d\u70ba`id`\u7684\u81ea\u52d5\u589e\u91cf\u5217\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u522a\u9664\u5176\u4ed6\u81ea\u52d5\u589e\u91cf\u5217\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name DROP COLUMN another_auto_increment_column;<\/code><\/pre>\n<p>\u5982\u679c\u81ea\u52d5\u589e\u91cf\u5217\u672a\u8a2d\u7f6e\u70ba\u4e3b\u9375\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u4fee\u6539\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name MODIFY id INT AUTO_INCREMENT PRIMARY KEY;<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f3%ef%bc%9a%e9%87%8d%e6%96%b0%e5%89%b5%e5%bb%ba%e8%a1%a8%ef%bc%88%e5%a6%82%e6%9e%9c%e9%9c%80%e8%a6%81%ef%bc%89-jGKRqTcbeW\">\u6b65\u9a5f3\uff1a\u91cd\u65b0\u5275\u5efa\u8868\uff08\u5982\u679c\u9700\u8981\uff09<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u5275\u5efa\u8868\u4ee5\u89e3\u6c7a\u6b64\u932f\u8aa4\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528`CREATE TABLE`\u8a9e\u53e5\u5275\u5efa\u4e00\u500b\u65b0\u8868\uff0c\u78ba\u4fdd\u6b63\u78ba\u8a2d\u7f6e\u81ea\u52d5\u589e\u91cf\u5217\u3002<\/li>\n<li>\u4f7f\u7528`INSERT INTO &#8230; SELECT`\u8a9e\u53e5\u5c07\u6578\u64da\u5f9e\u820a\u8868\u8f49\u79fb\u5230\u65b0\u8868\u3002<\/li>\n<li>\u522a\u9664\u820a\u8868\uff0c\u4e26\u5c07\u65b0\u8868\u91cd\u547d\u540d\u70ba\u820a\u8868\u7684\u540d\u7a31\u3002<\/li>\n<\/ol>\n<pre><code>CREATE TABLE new_table_name (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    column1 VARCHAR(255),\n    column2 INT\n);<\/code><\/pre>\n<pre><code>INSERT INTO new_table_name (column1, column2)\nSELECT column1, column2 FROM old_table_name;<\/code><\/pre>\n<pre><code>DROP TABLE old_table_name;\nRENAME TABLE new_table_name TO old_table_name;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jGKRqTcbeW\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41075\u901a\u5e38\u662f\u7531\u65bc\u8868\u4e2d\u5b58\u5728\u591a\u500b\u81ea\u52d5\u589e\u91cf\u5217\u6216\u81ea\u52d5\u589e\u91cf\u5217\u672a\u8a2d\u7f6e\u70ba\u4e3b\u9375\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u8868\u7d50\u69cb\u4e26\u9032\u884c\u5fc5\u8981\u7684\u4fee\u6539\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u8a2d\u7f6e\u81ea\u52d5\u589e\u91cf\u5217\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\u7db2\u7ad9\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41075\u7684\u65b9\u6cd5\uff0c\u89e3\u91cb\u81ea\u52d5\u5217\u7684\u5b9a\u7fa9\u8981\u6c42\u53ca\u5982\u4f55\u6b63\u78ba\u8a2d\u7f6e\u95dc\u9375\u5b57\u4ee5\u907f\u514dSQL\u72c0\u614b42000\u932f\u8aa4\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-177171","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177171","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=177171"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177171\/revisions"}],"predecessor-version":[{"id":177172,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177171\/revisions\/177172"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}