{"id":66809,"date":"2024-10-14T20:49:15","date_gmt":"2024-10-14T12:49:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66809\/"},"modified":"2024-10-14T20:49:15","modified_gmt":"2024-10-14T12:49:15","slug":"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3854%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_cannot_convert_string%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66809\/","title":{"rendered":"MySQL \u932f\u8aa4\u865f\uff1a3854\uff1b\u7b26\u865f\uff1aER_CANNOT_CONVERT_STRING\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%9a3854%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_cannot_convert_string%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-WTQmEjaMJy\">MySQL \u932f\u8aa4\u865f\uff1a3854\uff1b\u7b26\u865f\uff1aER_CANNOT_CONVERT_STRING\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\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u932f\u8aa4\u865f 3854\uff0c\u7b26\u865f ER_CANNOT_CONVERT_STRING\uff0cSQLSTATE \u70ba HY000\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u5b57\u7b26\u4e32\u8f49\u63db\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5b57\u7b26\u96c6\u6216\u7de8\u78bc\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%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-WTQmEjaMJy\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MySQL \u932f\u8aa4 3854 \u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u96c6\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u96c6\u8207\u61c9\u7528\u7a0b\u5e8f\u6216\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u4e0d\u4e00\u81f4\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u82e5\u6578\u64da\u5eab\u4f7f\u7528 UTF-8 \u7de8\u78bc\uff0c\u800c\u61c9\u7528\u7a0b\u5e8f\u537b\u4f7f\u7528 ISO-8859-1 \u7de8\u78bc\uff0c\u5247\u5728\u8f49\u63db\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u51fa\u73fe\u554f\u984c\u3002<\/li>\n<li><strong>\u7121\u6cd5\u8f49\u63db\u7684\u5b57\u7b26\uff1a<\/strong>\u5982\u679c\u6578\u64da\u4e2d\u5305\u542b\u7121\u6cd5\u8f49\u63db\u7684\u5b57\u7b26\uff0cMySQL \u4e5f\u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u7279\u6b8a\u5b57\u7b26\u5728\u7279\u5b9a\u5b57\u7b26\u96c6\u4e0b\u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u8868\u793a\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5728\u9032\u884c\u6578\u64da\u63d2\u5165\u6216\u66f4\u65b0\u6642\uff0c\u82e5\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u4e00\u500b\u6574\u6578\u985e\u578b\u7684\u5b57\u6bb5\u4e2d\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-WTQmEjaMJy\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a MySQL \u932f\u8aa4 3854\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%ad%97%e7%ac%a6%e9%9b%86%e8%a8%ad%e7%bd%ae-WTQmEjaMJy\">1. \u6aa2\u67e5\u5b57\u7b26\u96c6\u8a2d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u548c\u8868\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'character_set%';<\/code><\/pre>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u3001\u8868\u548c\u5217\u7684\u5b57\u7b26\u96c6\u4e00\u81f4\u3002\u5982\u679c\u9700\u8981\u66f4\u6539\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ALTER DATABASE your_database_name CHARACTER SET utf8mb4;<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%85%a7%e5%ae%b9-WTQmEjaMJy\">2. \u6aa2\u67e5\u6578\u64da\u5167\u5bb9<\/h3>\n<p>\u6aa2\u67e5\u5c0e\u5165\u6216\u63d2\u5165\u7684\u6578\u64da\uff0c\u78ba\u4fdd\u5176\u4e2d\u4e0d\u5305\u542b\u7121\u6cd5\u8f49\u63db\u7684\u5b57\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u627e\u4e0d\u7b26\u5408\u5b57\u7b26\u96c6\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM your_table WHERE your_column NOT REGEXP '^[x00-x7F]*$';<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-WTQmEjaMJy\">3. \u4f7f\u7528\u6b63\u78ba\u7684\u6578\u64da\u985e\u578b<\/h3>\n<p>\u78ba\u4fdd\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u4f7f\u7528\u6b63\u78ba\u7684\u6578\u64da\u985e\u578b\u3002\u5982\u679c\u9700\u8981\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u6574\u6578\uff0c\u8acb\u78ba\u4fdd\u5b57\u7b26\u4e32\u7684\u5167\u5bb9\u662f\u6709\u6548\u7684\u6574\u6578\u3002<\/p>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0-mysql-%e7%89%88%e6%9c%ac-WTQmEjaMJy\">4. \u66f4\u65b0 MySQL \u7248\u672c<\/h3>\n<p>\u6709\u6642\u5019\uff0c\u820a\u7248\u672c\u7684 MySQL \u53ef\u80fd\u5b58\u5728\u5df2\u77e5\u7684\u932f\u8aa4\u3002\u8003\u616e\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u932f\u8aa4\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-WTQmEjaMJy\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/h2>\n<p>\u5982\u679c\u60a8\u5728\u9060\u7a0b\u4f3a\u670d\u5668\u4e0a\u9047\u5230\u6b64\u932f\u8aa4\uff0c\u5efa\u8b70\u4f7f\u7528 SSH \u9023\u63a5\u5230\u4f3a\u670d\u5668\uff0c\u4e26\u6309\u7167\u4e0a\u8ff0\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u78ba\u4fdd\u60a8\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u6240\u9700\u7684 SQL \u67e5\u8a62\u548c\u66f4\u6539\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WTQmEjaMJy\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u932f\u8aa4\u865f 3854\uff08ER_CANNOT_CONVERT_STRING\uff09\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u8207\u5b57\u7b26\u96c6\u4e0d\u5339\u914d\u6216\u6578\u64da\u985e\u578b\u4e0d\u4e00\u81f4\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u5b57\u7b26\u96c6\u8a2d\u7f6e\u3001\u6578\u64da\u5167\u5bb9\u548c\u6578\u64da\u985e\u578b\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u66f4\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\u548c\u5c08\u696d\u7684\u6280\u8853\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a MySQL \u932f\u8aa4\u865f 3854 (ER_CANNOT_CONVERT_STRING) \u7684\u6545\u969c\uff0c\u63d0\u4f9b\u9060\u7a0b\u8655\u7406\u65b9\u6848\uff0c\u52a9\u60a8\u5feb\u901f\u4fee\u5fa9\u6578\u64da\u5eab\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-66809","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66809","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=66809"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66809\/revisions"}],"predecessor-version":[{"id":66810,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66809\/revisions\/66810"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}