{"id":178021,"date":"2024-11-08T17:31:59","date_gmt":"2024-11-08T09:31:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178021\/"},"modified":"2024-11-08T17:32:00","modified_gmt":"2024-11-08T09:32:00","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41293-sqlstate-hy000-er_too_much_auto_timestamp_cols-%e4%b8%8d%e6%ad%a3%e7%a2%ba%e7%9a%84%e8%a1%a8%e5%ae%9a%e7%be%a9%ef%bc%9b%e5%8f%aa","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178021\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41293 &#8211; SQLSTATE: HY000 (ER_TOO_MUCH_AUTO_TIMESTAMP_COLS) \u4e0d\u6b63\u78ba\u7684\u8868\u5b9a\u7fa9\uff1b\u53ea\u80fd\u6709\u4e00\u5217TIMESTAMP\u5e36\u6709DEFAULT\u6216ON UPDATE\u5b50\u53e5\u7684CURRENT_TIMESTAMP"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41293-sqlstate-hy000-er_too_much_auto_timestamp_cols-ZBIEkKbBTe\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41293 &#8211; SQLSTATE: HY000 (ER_TOO_MUCH_AUTO_TIMESTAMP_COLS)<\/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\u8aa4\u4ee3\u78bc1293\uff0c\u8a72\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201cSQLSTATE: HY000 (ER_TOO_MUCH_AUTO_TIMESTAMP_COLS) \u4e0d\u6b63\u78ba\u7684\u8868\u5b9a\u7fa9\uff1b\u53ea\u80fd\u6709\u4e00\u5217TIMESTAMP\u5e36\u6709DEFAULT\u6216ON UPDATE\u5b50\u53e5\u7684CURRENT_TIMESTAMP\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5275\u5efa\u6216\u4fee\u6539\u8868\u6642\uff0c\u7279\u5225\u662f\u7576\u6d89\u53ca\u5230TIMESTAMP\u985e\u578b\u7684\u5217\u6642\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-ZBIEkKbBTe\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MySQL\u5c0dTIMESTAMP\u5217\u7684\u4f7f\u7528\u6709\u4e00\u4e9b\u9650\u5236\u3002\u6839\u64daMySQL\u7684\u6587\u6a94\uff0c\u8868\u4e2d\u53ea\u80fd\u6709\u4e00\u500bTIMESTAMP\u5217\u53ef\u4ee5\u8a2d\u7f6e\u70ba\u81ea\u52d5\u521d\u59cb\u5316\u6216\u81ea\u52d5\u66f4\u65b0\u3002\u9019\u610f\u5473\u8457\u5982\u679c\u4f60\u5728\u8868\u4e2d\u5b9a\u7fa9\u4e86\u591a\u500bTIMESTAMP\u5217\u4e26\u4e14\u90fd\u8a66\u5716\u4f7f\u7528DEFAULT CURRENT_TIMESTAMP\u6216ON UPDATE CURRENT_TIMESTAMP\uff0c\u5247\u6703\u5c0e\u81f4\u932f\u8aa41293\u7684\u767c\u751f\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u7684SQL\u8a9e\u53e5\u5c07\u6703\u5f15\u767c\u6b64\u932f\u8aa4\uff1a<\/p>\n<pre><code>CREATE TABLE example (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>created_at<\/code>\u548c<code>updated_at<\/code>\u5169\u500bTIMESTAMP\u5217\u90fd\u8a66\u5716\u4f7f\u7528\u81ea\u52d5\u521d\u59cb\u5316\u6216\u81ea\u52d5\u66f4\u65b0\u7684\u529f\u80fd\uff0c\u9019\u5c31\u9055\u53cd\u4e86MySQL\u7684\u898f\u5247\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41293-ZBIEkKbBTe\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41293<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5728\u8868\u4e2d\u53ea\u6709\u4e00\u500bTIMESTAMP\u5217\u4f7f\u7528\u81ea\u52d5\u521d\u59cb\u5316\u6216\u81ea\u52d5\u66f4\u65b0\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%e4%b8%80%ef%bc%9a%e5%8f%aa%e4%bf%9d%e7%95%99%e4%b8%80%e5%80%8btimestamp%e5%88%97-ZBIEkKbBTe\">\u89e3\u6c7a\u65b9\u6848\u4e00\uff1a\u53ea\u4fdd\u7559\u4e00\u500bTIMESTAMP\u5217<\/h3>\n<p>\u6700\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u53ea\u4fdd\u7559\u4e00\u500bTIMESTAMP\u5217\uff0c\u4e26\u5c07\u5176\u4ed6\u5217\u66f4\u6539\u70baDATETIME\u985e\u578b\u3002DATETIME\u985e\u578b\u4e0d\u53d7\u6b64\u9650\u5236\uff0c\u53ef\u4ee5\u81ea\u7531\u4f7f\u7528\u3002<\/p>\n<pre><code>CREATE TABLE example (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    updated_at DATETIME\n);\n<\/code><\/pre>\n<h3 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8default-current_timestamp-ZBIEkKbBTe\">\u89e3\u6c7a\u65b9\u6848\u4e8c\uff1a\u4f7f\u7528DEFAULT CURRENT_TIMESTAMP<\/h3>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u4fdd\u7559\u5169\u500bTIMESTAMP\u5217\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u53ea\u70ba\u4e00\u500b\u5217\u8a2d\u7f6e\u81ea\u52d5\u521d\u59cb\u5316\uff0c\u4e26\u70ba\u53e6\u4e00\u500b\u5217\u4f7f\u7528DATETIME\u985e\u578b\u3002<\/p>\n<pre><code>CREATE TABLE example (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    updated_at DATETIME\n);\n<\/code><\/pre>\n<h3 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%e4%b8%89%ef%bc%9a%e4%bd%bf%e7%94%a8%e8%a7%b8%e7%99%bc%e5%99%a8-ZBIEkKbBTe\">\u89e3\u6c7a\u65b9\u6848\u4e09\uff1a\u4f7f\u7528\u89f8\u767c\u5668<\/h3>\n<p>\u5982\u679c\u60a8\u9700\u8981\u5728\u66f4\u65b0\u6642\u81ea\u52d5\u8a2d\u7f6e\u67d0\u500b\u5217\u7684\u6642\u9593\u6233\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u89f8\u767c\u5668\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e0d\u9055\u53cdMySQL\u9650\u5236\u7684\u60c5\u6cc1\u4e0b\u5be6\u73fe\u76f8\u540c\u7684\u529f\u80fd\u3002<\/p>\n<pre><code>CREATE TRIGGER before_update_example\nBEFORE UPDATE ON example\nFOR EACH ROW\nSET NEW.updated_at = NOW();\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZBIEkKbBTe\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41293\u662f\u7531\u65bc\u8868\u4e2d\u5b58\u5728\u591a\u500bTIMESTAMP\u5217\u4e26\u4e14\u90fd\u8a66\u5716\u4f7f\u7528\u81ea\u52d5\u521d\u59cb\u5316\u6216\u81ea\u52d5\u66f4\u65b0\u529f\u80fd\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u8abf\u6574\u8868\u7684\u5b9a\u7fa9\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u7121\u8ad6\u662f\u9078\u64c7\u4f7f\u7528DATETIME\u985e\u578b\uff0c\u9084\u662f\u5229\u7528\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u81ea\u52d5\u66f4\u65b0\uff0c\u9019\u4e9b\u65b9\u6cd5\u90fd\u80fd\u6709\u6548\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684\u670d\u52d9\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41293\uff0c\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u5b9a\u7fa9\u8868\u683c\uff0c\u78ba\u4fdd\u50c5\u6709\u4e00\u5217TIMESTAMP\u4f7f\u7528CURRENT_TIMESTAMP\u4f5c\u70ba\u9ed8\u8a8d\u503c\u6216\u66f4\u65b0\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-178021","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178021","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=178021"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178021\/revisions"}],"predecessor-version":[{"id":178022,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178021\/revisions\/178022"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178021"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178021"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}