{"id":66555,"date":"2024-10-14T18:35:15","date_gmt":"2024-10-14T10:35:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66555\/"},"modified":"2024-10-14T18:35:15","modified_gmt":"2024-10-14T10:35:15","slug":"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3127%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_warn_unknown_qb_name%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\/66555\/","title":{"rendered":"MySQL \u932f\u8aa4\u865f\uff1a3127\uff1b\u7b26\u865f\uff1aER_WARN_UNKNOWN_QB_NAME\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%9a3127%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_warn_unknown_qb_name%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-eHQizVYtGS\">MySQL \u932f\u8aa4\u865f\uff1a3127\uff1b\u7b26\u865f\uff1aER_WARN_UNKNOWN_QB_NAME\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\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u932f\u8aa4\u865f 3127\uff0c\u7b26\u865f\u70ba ER_WARN_UNKNOWN_QB_NAME\uff0cSQLSTATE \u70ba HY000\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u67e5\u8a62\u4e2d\u7684\u672a\u77e5\u5b50\u67e5\u8a62\u540d\u7a31\u6709\u95dc\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%9a%84%e6%88%90%e5%9b%a0-eHQizVYtGS\">\u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>MySQL \u932f\u8aa4 3127 \u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u5b50\u67e5\u8a62\u540d\u7a31\u672a\u5b9a\u7fa9\uff1a<\/strong>\u7576\u5728 SQL \u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u672a\u5b9a\u7fa9\u7684\u5b50\u67e5\u8a62\u540d\u7a31\u6642\uff0cMySQL \u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre><code>SELECT * FROM (SELECT id, name FROM users) AS u WHERE u.age &gt; 30;\n<\/code><\/pre>\n<p>\u5982\u679c\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u5b50\u67e5\u8a62\u540d\u7a31\uff0c\u5247\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u8a9e\u6cd5\u932f\u8aa4\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u67e5\u8a62\u7684\u8a9e\u6cd5\u4e0d\u6b63\u78ba\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u7f3a\u5c11\u5fc5\u8981\u7684\u95dc\u9375\u5b57\u6216\u7b26\u865f\u3002<\/li>\n<\/ul>\n<pre><code>SELECT * FROM (SELECT id, name FROM users) AS u WHERE age &gt; 30;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5b50\u67e5\u8a62\u7684\u5225\u540d\u672a\u6b63\u78ba\u4f7f\u7528\uff0c\u53ef\u80fd\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%9a%84%e5%bd%b1%e9%9f%bf-eHQizVYtGS\">\u932f\u8aa4\u7684\u5f71\u97ff<\/h2>\n<p>\u7576 MySQL \u8fd4\u56de\u932f\u8aa4 3127 \u6642\uff0c\u9019\u610f\u5473\u8457\u67e5\u8a62\u7121\u6cd5\u57f7\u884c\uff0c\u5f9e\u800c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u7121\u6cd5\u6b63\u78ba\u8b80\u53d6\u6216\u5beb\u5165\uff0c\u9032\u800c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u548c\u696d\u52d9\u904b\u4f5c\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-eHQizVYtGS\">\u6545\u969c\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u8981\u4fee\u5fa9 MySQL \u932f\u8aa4 3127\uff0c\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%ad%90%e6%9f%a5%e8%a9%a2%e5%90%8d%e7%a8%b1-eHQizVYtGS\">1. \u6aa2\u67e5\u5b50\u67e5\u8a62\u540d\u7a31<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5 SQL \u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5b50\u67e5\u8a62\u540d\u7a31\u662f\u5426\u6b63\u78ba\u3002\u78ba\u4fdd\u6240\u6709\u5b50\u67e5\u8a62\u90fd\u6709\u6b63\u78ba\u7684\u5225\u540d\uff0c\u4e26\u4e14\u5728\u4e3b\u67e5\u8a62\u4e2d\u6b63\u78ba\u5f15\u7528\u3002<\/p>\n<pre><code>SELECT * FROM (SELECT id, name FROM users) AS u WHERE u.age &gt; 30;\n<\/code><\/pre>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e6%9f%a5%e8%a9%a2%e8%aa%9e%e6%b3%95-eHQizVYtGS\">2. \u9a57\u8b49\u67e5\u8a62\u8a9e\u6cd5<\/h3>\n<p>\u6aa2\u67e5\u67e5\u8a62\u7684\u8a9e\u6cd5\u662f\u5426\u6b63\u78ba\u3002\u78ba\u4fdd\u6240\u6709\u5fc5\u8981\u7684\u95dc\u9375\u5b57\u548c\u7b26\u865f\u90fd\u5df2\u6b63\u78ba\u4f7f\u7528\u3002\u53ef\u4ee5\u4f7f\u7528 MySQL \u7684\u8a9e\u6cd5\u6aa2\u67e5\u5de5\u5177\u4f86\u5e6b\u52a9\u8b58\u5225\u8a9e\u6cd5\u932f\u8aa4\u3002<\/p>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e6%9f%a5%e8%a9%a2-eHQizVYtGS\">3. \u6e2c\u8a66\u67e5\u8a62<\/h3>\n<p>\u5728\u4fee\u6b63\u67e5\u8a62\u5f8c\uff0c\u9032\u884c\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u554f\u984c\u5df2\u89e3\u6c7a\u3002\u53ef\u4ee5\u5728 MySQL \u5ba2\u6236\u7aef\u4e2d\u57f7\u884c\u67e5\u8a62\uff0c\u67e5\u770b\u662f\u5426\u4ecd\u7136\u5831\u932f\u3002<\/p>\n<h3 id=\"4-%e6%9f%a5%e7%9c%8b-mysql-%e6%97%a5%e8%aa%8c-eHQizVYtGS\">4. \u67e5\u770b MySQL \u65e5\u8a8c<\/h3>\n<p>\u5982\u679c\u554f\u984c\u4ecd\u7136\u5b58\u5728\uff0c\u67e5\u770b MySQL \u7684\u932f\u8aa4\u65e5\u8a8c\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002\u65e5\u8a8c\u4e2d\u53ef\u80fd\u5305\u542b\u6709\u52a9\u65bc\u8a3a\u65b7\u554f\u984c\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-eHQizVYtGS\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406 MySQL \u6578\u64da\u5eab\u4ee5\u89e3\u6c7a\u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e SSH \u6216\u5176\u4ed6\u9060\u7a0b\u9023\u63a5\u5de5\u5177\u4f86\u5be6\u73fe\u3002\u78ba\u4fdd\u5728\u9032\u884c\u9060\u7a0b\u64cd\u4f5c\u6642\u9075\u5faa\u5b89\u5168\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u6d29\u9732\u6216\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eHQizVYtGS\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u932f\u8aa4\u865f 3127\uff08ER_WARN_UNKNOWN_QB_NAME\uff09\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u8207\u5b50\u67e5\u8a62\u540d\u7a31\u7684\u4f7f\u7528\u4e0d\u7576\u6709\u95dc\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u67e5\u8a62\u8a9e\u6cd5\u3001\u5b50\u67e5\u8a62\u540d\u7a31\u53ca\u5176\u5f15\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u7684\u60c5\u6cc1\uff0c\u78ba\u4fdd\u9075\u5faa\u5b89\u5168\u63aa\u65bd\u4ee5\u4fdd\u8b77\u6578\u64da\u5b89\u5168\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a MySQL \u932f\u8aa4\u865f 3127 (ER_WARN_UNKNOWN_QB_NAME) \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-66555","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66555","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=66555"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66555\/revisions"}],"predecessor-version":[{"id":66556,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66555\/revisions\/66556"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}