{"id":177139,"date":"2024-11-08T13:40:17","date_gmt":"2024-11-08T05:40:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177139\/"},"modified":"2024-11-08T13:40:18","modified_gmt":"2024-11-08T05:40:18","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41059-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_too_long_ident%ef%bc%89%e6%a8%99%e8%ad%98%e7%ac%a6%ef%bc%85s%e5%a4%aa","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177139\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41059 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_TOO_LONG_IDENT\uff09\u6a19\u8b58\u7b26\u201c\uff05s\u201d\u592a\u9577"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41059-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_too_long_ident%ef%bc%89%e6%a8%99%e8%ad%98%e7%ac%a6%ef%bc%85s%e5%a4%aa-fqEBsIPaEr\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41059 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_TOO_LONG_IDENT\uff09\u6a19\u8b58\u7b26\u201c\uff05s\u201d\u592a\u9577<\/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\u78bc1059\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u63d0\u793a\u6a19\u8b58\u7b26\u201c\uff05s\u201d\u592a\u9577\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u5275\u5efa\u6216\u4fee\u6539\u6578\u64da\u5eab\u5c0d\u8c61\uff08\u5982\u8868\u3001\u5217\u6216\u7d22\u5f15\uff09\u6642\uff0c\u7576\u6a19\u8b58\u7b26\u7684\u9577\u5ea6\u8d85\u904eMySQL\u7684\u9650\u5236\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u9019\u500b\u554f\u984c\u3002<\/p>\n<h2 id=\"mysql%e6%a8%99%e8%ad%98%e7%ac%a6%e7%9a%84%e9%95%b7%e5%ba%a6%e9%99%90%e5%88%b6-fqEBsIPaEr\">MySQL\u6a19\u8b58\u7b26\u7684\u9577\u5ea6\u9650\u5236<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u6a19\u8b58\u7b26\u7684\u9577\u5ea6\u9650\u5236\u53d6\u6c7a\u65bc\u5176\u985e\u578b\u3002\u6839\u64da\u5b98\u65b9\u6587\u6a94\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u6a19\u8b58\u7b26\u7684\u9577\u5ea6\u9650\u5236\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5eab\u540d\u7a31\uff1a\u6700\u591a64\u500b\u5b57\u7b26<\/li>\n<li>\u8868\u540d\u7a31\uff1a\u6700\u591a64\u500b\u5b57\u7b26<\/li>\n<li>\u5217\u540d\u7a31\uff1a\u6700\u591a64\u500b\u5b57\u7b26<\/li>\n<li>\u7d22\u5f15\u540d\u7a31\uff1a\u6700\u591a64\u500b\u5b57\u7b26<\/li>\n<li>\u89f8\u767c\u5668\u540d\u7a31\uff1a\u6700\u591a64\u500b\u5b57\u7b26<\/li>\n<li>\u5b58\u5132\u904e\u7a0b\u540d\u7a31\uff1a\u6700\u591a64\u500b\u5b57\u7b26<\/li>\n<\/ul>\n<p>\u5982\u679c\u60a8\u5728\u5275\u5efa\u6216\u4fee\u6539\u9019\u4e9b\u5c0d\u8c61\u6642\u4f7f\u7528\u7684\u540d\u7a31\u8d85\u904e\u4e86\u9019\u4e9b\u9650\u5236\uff0c\u5c31\u6703\u5c0e\u81f4\u932f\u8aa41059\u7684\u51fa\u73fe\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41059-fqEBsIPaEr\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41059<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa41059\u7684\u65b9\u6cd5\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<h3 id=\"1-%e7%b8%ae%e7%9f%ad%e6%a8%99%e8%ad%98%e7%ac%a6%e5%90%8d%e7%a8%b1-fqEBsIPaEr\">1. \u7e2e\u77ed\u6a19\u8b58\u7b26\u540d\u7a31<\/h3>\n<p>\u6700\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u7e2e\u77ed\u5c0e\u81f4\u932f\u8aa4\u7684\u6a19\u8b58\u7b26\u540d\u7a31\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>CREATE TABLE my_very_long_table_name_that_exceeds_the_limit (\n    id INT PRIMARY KEY,\n    name VARCHAR(255)\n);\n<\/code><\/pre>\n<p>\u5c07\u4e0a\u9762\u7684\u8868\u540d\u7e2e\u77ed\u70ba\uff1a<\/p>\n<pre><code>CREATE TABLE my_table (\n    id INT PRIMARY KEY,\n    name VARCHAR(255)\n);\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%b0%a1%e7%9f%ad%e7%9a%84%e5%88%a5%e5%90%8d-fqEBsIPaEr\">2. \u4f7f\u7528\u7c21\u77ed\u7684\u5225\u540d<\/h3>\n<p>\u5728\u67e5\u8a62\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7c21\u77ed\u7684\u5225\u540d\u4f86\u907f\u514d\u9577\u6a19\u8b58\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT a.name FROM my_very_long_table_name_that_exceeds_the_limit AS a;\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7c21\u77ed\u7684\u5225\u540d\uff0c\u800c\u4e0d\u5fc5\u6539\u8b8a\u539f\u59cb\u8868\u540d\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-fqEBsIPaEr\">3. \u6aa2\u67e5\u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u5982\u679c\u7d93\u5e38\u9047\u5230\u9019\u7a2e\u932f\u8aa4\uff0c\u5efa\u8b70\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u3002\u904e\u9577\u7684\u6a19\u8b58\u7b26\u540d\u7a31\u53ef\u80fd\u662f\u8a2d\u8a08\u4e0d\u7576\u7684\u7d50\u679c\u3002\u8003\u616e\u4f7f\u7528\u66f4\u5177\u63cf\u8ff0\u6027\u7684\u540d\u7a31\uff0c\u4f46\u540c\u6642\u4fdd\u6301\u7c21\u6f54\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8mysql%e7%9a%84show%e5%91%bd%e4%bb%a4%e6%aa%a2%e6%9f%a5%e6%a8%99%e8%ad%98%e7%ac%a6-fqEBsIPaEr\">4. \u4f7f\u7528MySQL\u7684SHOW\u547d\u4ee4\u6aa2\u67e5\u6a19\u8b58\u7b26<\/h3>\n<p>\u5728\u4fee\u5fa9\u932f\u8aa4\u4e4b\u524d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528SHOW\u547d\u4ee4\u4f86\u6aa2\u67e5\u7576\u524d\u6578\u64da\u5eab\u4e2d\u6240\u6709\u6a19\u8b58\u7b26\u7684\u540d\u7a31\uff0c\u78ba\u4fdd\u5b83\u5011\u90fd\u5728\u9650\u5236\u7bc4\u570d\u5167\uff1a<\/p>\n<pre><code>SHOW TABLES;\nSHOW COLUMNS FROM my_table;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fqEBsIPaEr\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41059\uff08ER_TOO_LONG_IDENT\uff09\u901a\u5e38\u662f\u7531\u65bc\u6a19\u8b58\u7b26\u540d\u7a31\u8d85\u904e\u4e86MySQL\u7684\u9577\u5ea6\u9650\u5236\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u7e2e\u77ed\u6a19\u8b58\u7b26\u540d\u7a31\u3001\u4f7f\u7528\u7c21\u77ed\u7684\u5225\u540d\u3001\u6aa2\u67e5\u6578\u64da\u5eab\u8a2d\u8a08\u4ee5\u53ca\u4f7f\u7528SHOW\u547d\u4ee4\u4f86\u6aa2\u67e5\u6a19\u8b58\u7b26\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41059\u7684\u65b9\u6cd5\uff0c\u89e3\u6c7aSQL\u72c0\u614b42000\uff08ER_TOO_LONG_IDENT\uff09\u554f\u984c\uff0c\u78ba\u4fdd\u6a19\u8b58\u7b26\u4e0d\u8d85\u904e\u6700\u5927\u9577\u5ea6\u9650\u5236\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-177139","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177139","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=177139"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177139\/revisions"}],"predecessor-version":[{"id":177140,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177139\/revisions\/177140"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}