{"id":66827,"date":"2024-10-14T20:58:20","date_gmt":"2024-10-14T12:58:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66827\/"},"modified":"2024-10-14T20:58:20","modified_gmt":"2024-10-14T12:58:20","slug":"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3886%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_column_change_size%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66827\/","title":{"rendered":"MySQL \u932f\u8aa4\u865f\uff1a3886\uff1b\u7b26\u865f\uff1aER_COLUMN_CHANGE_SIZE\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%9a3886%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_column_change_size%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0-gcRsCqZhvy\">MySQL \u932f\u8aa4\u865f\uff1a3886\uff1b\u7b26\u865f\uff1aER_COLUMN_CHANGE_SIZE\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 3886\uff0c\u7b26\u865f ER_COLUMN_CHANGE_SIZE\uff0cSQLSTATE HY000\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6578\u64da\u8868\u4e2d\u5217\u7684\u5927\u5c0f\u8b8a\u66f4\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u5617\u8a66\u4fee\u6539\u5217\u7684\u6578\u64da\u985e\u578b\u6216\u5927\u5c0f\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\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-gcRsCqZhvy\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MySQL \u932f\u8aa4 3886 \u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u5217\u5927\u5c0f\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u5217\u7684\u5927\u5c0f\u66f4\u6539\u70ba\u4e00\u500b\u4e0d\u517c\u5bb9\u7684\u503c\u6642\uff0cMySQL \u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b VARCHAR(255) \u5217\u66f4\u6539\u70ba VARCHAR(100) \u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u517c\u5bb9\uff1a<\/strong>\u5982\u679c\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u5217\u7684\u6578\u64da\u985e\u578b\u66f4\u6539\u70ba\u4e0d\u517c\u5bb9\u7684\u985e\u578b\uff0c\u4f8b\u5982\u5f9e INT \u66f4\u6539\u70ba VARCHAR\uff0c\u9019\u4e5f\u53ef\u80fd\u5f15\u767c\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5916\u9375\u7d04\u675f\uff1a<\/strong>\u5982\u679c\u8a72\u5217\u662f\u5916\u9375\u7684\u4e00\u90e8\u5206\uff0c\u4e26\u4e14\u4f60\u5617\u8a66\u66f4\u6539\u5176\u5927\u5c0f\u6216\u985e\u578b\uff0c\u5247\u53ef\u80fd\u6703\u9055\u53cd\u5916\u9375\u7d04\u675f\uff0c\u5f9e\u800c\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e5%bd%b1%e9%9f%bf-gcRsCqZhvy\">\u6545\u969c\u5f71\u97ff<\/h2>\n<p>\u7576 MySQL \u5831\u544a\u932f\u8aa4 3886 \u6642\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee5\u4e0b\u5f71\u97ff\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u65b7\uff1a<\/strong>\u4efb\u4f55\u5617\u8a66\u4fee\u6539\u8a72\u5217\u7684\u64cd\u4f5c\u90fd\u5c07\u5931\u6557\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027\u554f\u984c\uff1a<\/strong>\u5982\u679c\u672a\u80fd\u6b63\u78ba\u8655\u7406\u6b64\u932f\u8aa4\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u4e1f\u5931\u3002<\/li>\n<li><strong>\u958b\u767c\u6548\u7387\u964d\u4f4e\uff1a<\/strong>\u958b\u767c\u8005\u9700\u8981\u82b1\u8cbb\u984d\u5916\u7684\u6642\u9593\u4f86\u6392\u67e5\u548c\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u5f71\u97ff\u6574\u9ad4\u958b\u767c\u9032\u5ea6\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-gcRsCqZhvy\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9 MySQL \u932f\u8aa4 3886\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%88%97%e5%ae%9a%e7%be%a9-gcRsCqZhvy\">1. \u6aa2\u67e5\u5217\u5b9a\u7fa9<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u8981\u4fee\u6539\u7684\u5217\u7684\u7576\u524d\u5b9a\u7fa9\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>SHOW CREATE TABLE your_table_name;<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e5%92%8c%e5%a4%a7%e5%b0%8f-gcRsCqZhvy\">2. \u78ba\u8a8d\u6578\u64da\u985e\u578b\u548c\u5927\u5c0f<\/h3>\n<p>\u78ba\u4fdd\u4f60\u8981\u66f4\u6539\u7684\u6578\u64da\u985e\u578b\u548c\u5927\u5c0f\u662f\u517c\u5bb9\u7684\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u8981\u5c07 VARCHAR(255) \u66f4\u6539\u70ba VARCHAR(100)\uff0c\u8acb\u78ba\u4fdd\u73fe\u6709\u6578\u64da\u4e0d\u6703\u8d85\u904e\u65b0\u5927\u5c0f\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-gcRsCqZhvy\">3. \u6aa2\u67e5\u5916\u9375\u7d04\u675f<\/h3>\n<p>\u5982\u679c\u8a72\u5217\u662f\u5916\u9375\u7684\u4e00\u90e8\u5206\uff0c\u8acb\u6aa2\u67e5\u76f8\u95dc\u7684\u5916\u9375\u7d04\u675f\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u5916\u9375\u7d04\u675f\uff1a<\/p>\n<pre><code>SHOW CREATE TABLE your_table_name;<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8-alter-table-%e8%aa%9e%e5%8f%a5-gcRsCqZhvy\">4. \u4f7f\u7528 ALTER TABLE \u8a9e\u53e5<\/h3>\n<p>\u5728\u78ba\u8a8d\u6240\u6709\u689d\u4ef6\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528 ALTER TABLE \u8a9e\u53e5\u4f86\u4fee\u6539\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name MODIFY COLUMN your_column_name VARCHAR(100);<\/code><\/pre>\n<h3 id=\"5-%e6%b8%ac%e8%a9%a6%e8%ae%8a%e6%9b%b4-gcRsCqZhvy\">5. \u6e2c\u8a66\u8b8a\u66f4<\/h3>\n<p>\u5728\u9032\u884c\u8b8a\u66f4\u5f8c\uff0c\u52d9\u5fc5\u6e2c\u8a66\u61c9\u7528\u7a0b\u5e8f\u4ee5\u78ba\u4fdd\u4e00\u5207\u6b63\u5e38\u904b\u884c\uff0c\u4e26\u4e14\u6578\u64da\u5b8c\u6574\u6027\u672a\u53d7\u5230\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-gcRsCqZhvy\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7279\u5225\u662f\u7576\u6578\u64da\u5eab\u904b\u884c\u5728\u9060\u7a0b\u4f3a\u670d\u5668\u4e0a\u6642\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 SSH \u9023\u63a5\uff1a<\/strong>\u78ba\u4fdd\u4f60\u80fd\u5920\u5b89\u5168\u5730\u9023\u63a5\u5230\u9060\u7a0b\u4f3a\u670d\u5668\uff0c\u4e26\u4f7f\u7528 SSH \u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u9032\u884c\u4efb\u4f55\u4fee\u6539\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u76e3\u63a7\u65e5\u8a8c\uff1a<\/strong>\u5728\u9032\u884c\u8b8a\u66f4\u5f8c\uff0c\u76e3\u63a7 MySQL \u65e5\u8a8c\u4ee5\u6aa2\u67e5\u662f\u5426\u6709\u5176\u4ed6\u932f\u8aa4\u767c\u751f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gcRsCqZhvy\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u932f\u8aa4\u865f 3886 \u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u8207\u5217\u7684\u5927\u5c0f\u6216\u6578\u64da\u985e\u578b\u8b8a\u66f4\u6709\u95dc\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u5217\u5b9a\u7fa9\u3001\u78ba\u8a8d\u6578\u64da\u985e\u578b\u548c\u5927\u5c0f\u3001\u6aa2\u67e5\u5916\u9375\u7d04\u675f\u4ee5\u53ca\u6b63\u78ba\u4f7f\u7528 ALTER TABLE \u8a9e\u53e5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u52d9\u5fc5\u6ce8\u610f\u6578\u64da\u5099\u4efd\u548c\u5b89\u5168\u9023\u63a5\u3002\u82e5\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a MySQL \u932f\u8aa4\u865f 3886 (ER_COLUMN_CHANGE_SIZE) \u7684\u6545\u969c\uff0c\u63d0\u4f9b\u9060\u7a0b\u8655\u7406\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u9806\u66a2\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-66827","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66827","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=66827"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66827\/revisions"}],"predecessor-version":[{"id":66828,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66827\/revisions\/66828"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}