{"id":178161,"date":"2024-11-08T17:40:03","date_gmt":"2024-11-08T09:40:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178161\/"},"modified":"2024-11-08T17:40:04","modified_gmt":"2024-11-08T09:40:04","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41303-sqlstate-42000-er_sp_already_exists-s-s%e5%b7%b2%e7%b6%93%e5%ad%98%e5%9c%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178161\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41303 &#8211; SQLSTATE: 42000 (ER_SP_ALREADY_EXISTS) %s %s\u5df2\u7d93\u5b58\u5728"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41303-sqlstate-42000-er_sp_already_exists-iqrLEdIkmp\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41303 &#8211; SQLSTATE: 42000 (ER_SP_ALREADY_EXISTS)<\/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\u78bc1303\uff0c\u8a72\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201cSQLSTATE: 42000 (ER_SP_ALREADY_EXISTS) %s %s\u5df2\u7d93\u5b58\u5728\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u5275\u5efa\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u7684\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\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-iqrLEdIkmp\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>MySQL\u7684\u932f\u8aa41303\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u7576\u4f60\u5617\u8a66\u5275\u5efa\u4e00\u500b\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\uff0c\u800c\u8a72\u904e\u7a0b\u6216\u51fd\u6578\u5df2\u7d93\u5b58\u5728\u65bc\u6578\u64da\u5eab\u4e2d\u3002<\/li>\n<li>\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u80fd\u5b58\u5728\u540c\u540d\u7684\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\uff0c\u9019\u4e5f\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li>\u5982\u679c\u5728\u5275\u5efa\u904e\u7a0b\u6216\u51fd\u6578\u6642\uff0c\u6c92\u6709\u6b63\u78ba\u6307\u5b9a\u6578\u64da\u5eab\u7684\u4e0a\u4e0b\u6587\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u540d\u7a31\u885d\u7a81\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e5%b7%b2%e5%ad%98%e5%9c%a8%e7%9a%84%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%88%96%e5%87%bd%e6%95%b8-iqrLEdIkmp\">\u5982\u4f55\u6aa2\u67e5\u5df2\u5b58\u5728\u7684\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578<\/h2>\n<p>\u5728\u4fee\u5fa9\u6b64\u932f\u8aa4\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u8a72\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\u662f\u5426\u5df2\u7d93\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\uff1a<\/p>\n<pre><code>SHOW PROCEDURE STATUS WHERE Name = 'your_procedure_name';<\/code><\/pre>\n<p>\u5c07\u201cyour_procedure_name\u201d\u66ff\u63db\u70ba\u4f60\u8981\u6aa2\u67e5\u7684\u5b58\u5132\u904e\u7a0b\u540d\u7a31\u3002\u5982\u679c\u67e5\u8a62\u8fd4\u56de\u7d50\u679c\uff0c\u5247\u8868\u793a\u8a72\u5b58\u5132\u904e\u7a0b\u5df2\u7d93\u5b58\u5728\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-iqrLEdIkmp\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u91dd\u5c0d\u932f\u8aa41303\uff0c\u6709\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\u53ef\u4ee5\u8003\u616e\uff1a<\/p>\n<h3 id=\"1-%e5%88%aa%e9%99%a4%e5%b7%b2%e5%ad%98%e5%9c%a8%e7%9a%84%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%88%96%e5%87%bd%e6%95%b8-iqrLEdIkmp\">1. \u522a\u9664\u5df2\u5b58\u5728\u7684\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578<\/h3>\n<p>\u5982\u679c\u78ba\u5b9a\u4e0d\u518d\u9700\u8981\u5df2\u5b58\u5728\u7684\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u522a\u9664\u5b83\uff1a<\/p>\n<pre><code>DROP PROCEDURE your_procedure_name;<\/code><\/pre>\n<p>\u5728\u57f7\u884c\u6b64\u547d\u4ee4\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u78ba\u8a8d\u8a72\u904e\u7a0b\u6216\u51fd\u6578\u4e0d\u518d\u88ab\u5176\u4ed6\u4ee3\u78bc\u4f9d\u8cf4\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8if-not-exists%e8%aa%9e%e5%8f%a5-iqrLEdIkmp\">2. \u4f7f\u7528IF NOT EXISTS\u8a9e\u53e5<\/h3>\n<p>\u5982\u679c\u5e0c\u671b\u5728\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\u6642\u907f\u514d\u6b64\u932f\u8aa4\uff0c\u53ef\u4ee5\u4f7f\u7528IF NOT EXISTS\u8a9e\u53e5\u3002\u9019\u6a23\uff0c\u53ea\u6709\u5728\u8a72\u904e\u7a0b\u6216\u51fd\u6578\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u624d\u6703\u5275\u5efa\u5b83\uff1a<\/p>\n<pre><code>CREATE PROCEDURE IF NOT EXISTS your_procedure_name()\nBEGIN\n    -- \u4f60\u7684\u4ee3\u78bc\nEND;<\/code><\/pre>\n<h3 id=\"3-%e4%bf%ae%e6%94%b9%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%88%96%e5%87%bd%e6%95%b8%e7%9a%84%e5%90%8d%e7%a8%b1-iqrLEdIkmp\">3. \u4fee\u6539\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\u7684\u540d\u7a31<\/h3>\n<p>\u5982\u679c\u9700\u8981\u4fdd\u7559\u5df2\u5b58\u5728\u7684\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\uff0c\u53ef\u4ee5\u8003\u616e\u4fee\u6539\u65b0\u904e\u7a0b\u6216\u51fd\u6578\u7684\u540d\u7a31\uff0c\u4ee5\u907f\u514d\u540d\u7a31\u885d\u7a81\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-iqrLEdIkmp\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41303\uff08SQLSTATE: 42000 (ER_SP_ALREADY_EXISTS)\uff09\u901a\u5e38\u662f\u7531\u65bc\u5617\u8a66\u5275\u5efa\u5df2\u5b58\u5728\u7684\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u73fe\u6709\u7684\u5b58\u5132\u904e\u7a0b\u3001\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u904e\u7a0b\u3001\u4f7f\u7528IF NOT EXISTS\u8a9e\u53e5\u6216\u4fee\u6539\u540d\u7a31\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u5728\u904b\u884c\u6642\u4e0d\u6703\u53d7\u5230\u6b64\u985e\u932f\u8aa4\u7684\u5f71\u97ff\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41303 (ER_SP_ALREADY_EXISTS)\u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a\u5b58\u5132\u904e\u7a0b\u5df2\u5b58\u5728\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u9806\u5229\u9032\u884c\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-178161","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178161","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=178161"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178161\/revisions"}],"predecessor-version":[{"id":178162,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178161\/revisions\/178162"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}