{"id":177937,"date":"2024-11-08T16:49:18","date_gmt":"2024-11-08T08:49:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177937\/"},"modified":"2024-11-08T16:49:19","modified_gmt":"2024-11-08T08:49:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41250-sqlstate-42000-er_tablename_not_allowed_here-%e4%be%86%e8%87%aa%e5%85%b6%e4%b8%ad%e4%b8%80%e5%80%8bselect%e7%9a%84%e8%a1%a8s","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177937\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41250 &#8211; SQLSTATE: 42000 (ER_TABLENAME_NOT_ALLOWED_HERE) \u4f86\u81ea\u5176\u4e2d\u4e00\u500bSELECT\u7684\u8868&#8217;%s&#8217;\u4e0d\u80fd\u5728%s\u4e2d\u4f7f\u7528"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41250-sqlstate-42000-er_tablename_not_allowed_here-DQoMAZHlfc\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41250 &#8211; SQLSTATE: 42000 (ER_TABLENAME_NOT_ALLOWED_HERE)<\/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\u662f\u932f\u8aa41250\uff0c\u8a72\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201cSQLSTATE: 42000 (ER_TABLENAME_NOT_ALLOWED_HERE) \u4f86\u81ea\u5176\u4e2d\u4e00\u500bSELECT\u7684\u8868&#8217;%s&#8217;\u4e0d\u80fd\u5728%s\u4e2d\u4f7f\u7528\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528\u5b50\u67e5\u8a62\u6216\u806f\u63a5\u67e5\u8a62\u6642\uff0c\u7576\u67e5\u8a62\u7684\u7d50\u69cb\u4e0d\u7b26\u5408MySQL\u7684\u8981\u6c42\u6642\uff0c\u5c31\u6703\u5c0e\u81f4\u9019\u500b\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-DQoMAZHlfc\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u932f\u8aa41250\u7684\u4e3b\u8981\u539f\u56e0\u662fMySQL\u5728\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u767c\u73fe\u67d0\u500b\u8868\u5728\u7576\u524d\u4e0a\u4e0b\u6587\u4e2d\u4e0d\u88ab\u5141\u8a31\u4f7f\u7528\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u5b50\u67e5\u8a62\u4e2d\u7684\u8868\u4f7f\u7528\u4e0d\u7576\uff1a<\/strong>\u7576\u5728\u5b50\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u4e0d\u5141\u8a31\u7684\u8868\u6642\uff0cMySQL\u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u806f\u63a5\u67e5\u8a62\u4e2d\u7684\u8868\u4e0d\u6b63\u78ba\uff1a<\/strong>\u5728\u9032\u884c\u591a\u8868\u806f\u63a5\u6642\uff0c\u5982\u679c\u67d0\u500b\u8868\u7684\u4f7f\u7528\u4e0d\u7b26\u5408\u898f\u7bc4\uff0c\u4e5f\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684SQL\u8a9e\u6cd5\uff1a<\/strong>\u5982\u679cSQL\u8a9e\u53e5\u7684\u7d50\u69cb\u4e0d\u6b63\u78ba\uff0cMySQL\u4e5f\u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u67e5\u8a62\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41250-DQoMAZHlfc\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41250<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa41250\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5sql%e8%aa%9e%e6%b3%95-DQoMAZHlfc\">1. \u6aa2\u67e5SQL\u8a9e\u6cd5<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u7684SQL\u8a9e\u53e5\u662f\u5426\u7b26\u5408MySQL\u7684\u8a9e\u6cd5\u898f\u7bc4\u3002\u78ba\u4fdd\u6240\u6709\u7684\u8868\u540d\u3001\u5217\u540d\u548c\u95dc\u9375\u5b57\u90fd\u6b63\u78ba\u7121\u8aa4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT a.column1, b.column2 \nFROM table1 AS a \nJOIN table2 AS b ON a.id = b.id;<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e8%a1%a8%e7%9a%84%e4%bd%bf%e7%94%a8%e4%b8%8a%e4%b8%8b%e6%96%87-DQoMAZHlfc\">2. \u78ba\u8a8d\u8868\u7684\u4f7f\u7528\u4e0a\u4e0b\u6587<\/h3>\n<p>\u78ba\u4fdd\u5728\u5b50\u67e5\u8a62\u6216\u806f\u63a5\u4e2d\u4f7f\u7528\u7684\u8868\u662f\u6b63\u78ba\u7684\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5982\u679c\u4f60\u5728\u4e00\u500b\u5b50\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u4e3b\u67e5\u8a62\u7684\u8868\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u4f60\u53ef\u4ee5\u8003\u616e\u5c07\u5b50\u67e5\u8a62\u91cd\u69cb\u70ba\u7368\u7acb\u7684\u67e5\u8a62\uff0c\u7136\u5f8c\u518d\u9032\u884c\u806f\u63a5\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%88%a5%e5%90%8d-DQoMAZHlfc\">3. \u4f7f\u7528\u5225\u540d<\/h3>\n<p>\u5728\u8907\u96dc\u7684\u67e5\u8a62\u4e2d\uff0c\u4f7f\u7528\u8868\u7684\u5225\u540d\u53ef\u4ee5\u5e6b\u52a9\u63d0\u9ad8\u53ef\u8b80\u6027\u4e26\u6e1b\u5c11\u932f\u8aa4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT a.column1, b.column2 \nFROM table1 AS a \nJOIN (SELECT * FROM table2) AS b ON a.id = b.id;<\/code><\/pre>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e6%9f%a5%e8%a9%a2-DQoMAZHlfc\">4. \u6e2c\u8a66\u67e5\u8a62<\/h3>\n<p>\u5728\u4fee\u6b63\u4e86SQL\u8a9e\u53e5\u5f8c\uff0c\u5efa\u8b70\u9010\u6b65\u6e2c\u8a66\u67e5\u8a62\u7684\u6bcf\u4e00\u90e8\u5206\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u500b\u90e8\u5206\u90fd\u80fd\u6b63\u5e38\u904b\u884c\u3002\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u4f60\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u6240\u5728\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-DQoMAZHlfc\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa41250\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * \nFROM (SELECT * FROM table1) AS a \nJOIN table2 AS b ON a.id = b.id;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5b50\u67e5\u8a62\u7684\u8868\u5728\u4e3b\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u4fee\u6b63\u5f8c\u7684\u67e5\u8a62\u61c9\u8a72\u662f\uff1a<\/p>\n<pre><code>SELECT * \nFROM table1 AS a \nJOIN table2 AS b ON a.id = b.id;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DQoMAZHlfc\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41250\u901a\u5e38\u662f\u7531\u65bc\u4e0d\u7576\u4f7f\u7528\u8868\u6216\u4e0d\u6b63\u78ba\u7684SQL\u8a9e\u6cd5\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5SQL\u8a9e\u53e5\u3001\u78ba\u8a8d\u8868\u7684\u4f7f\u7528\u4e0a\u4e0b\u6587\u3001\u4f7f\u7528\u5225\u540d\u4ee5\u53ca\u9010\u6b65\u6e2c\u8a66\u67e5\u8a62\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u904b\u884c\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41250 (ER_TABLENAME_NOT_ALLOWED_HERE) \u7684\u65b9\u6cd5\uff0c\u89e3\u6c7aSELECT\u8a9e\u53e5\u4e2d\u4e0d\u5141\u8a31\u4f7f\u7528\u7684\u8868\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-177937","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177937","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=177937"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177937\/revisions"}],"predecessor-version":[{"id":177938,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177937\/revisions\/177938"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}