{"id":177509,"date":"2024-11-08T14:44:15","date_gmt":"2024-11-08T06:44:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177509\/"},"modified":"2024-11-08T14:44:15","modified_gmt":"2024-11-08T06:44:15","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41125-sqlstate-hy000%ef%bc%88er_udf_exists%ef%bc%89%e5%87%bd%e6%95%b8s%e5%b7%b2%e5%ad%98%e5%9c%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177509\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41125 &#8211; SQLSTATE: HY000\uff08ER_UDF_EXISTS\uff09\u51fd\u6578&#8217;%s&#8217;\u5df2\u5b58\u5728"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41125-sqlstate-hy000%ef%bc%88er_udf_exists%ef%bc%89%e5%87%bd%e6%95%b8s%e5%b7%b2%e5%ad%98%e5%9c%a8-tLhSkjPiNf\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41125 &#8211; SQLSTATE: HY000\uff08ER_UDF_EXISTS\uff09\u51fd\u6578&#8217;%s&#8217;\u5df2\u5b58\u5728<\/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\u8aa41125\uff0c\u8a72\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201cSQLSTATE: HY000\uff08ER_UDF_EXISTS\uff09\u51fd\u6578&#8217;%s&#8217;\u5df2\u5b58\u5728\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u5617\u8a66\u5275\u5efa\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u7684\u7528\u6236\u81ea\u5b9a\u7fa9\u51fd\u6578\uff08UDF\uff09\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%a41125%e7%9a%84%e5%8e%9f%e5%9b%a0-tLhSkjPiNf\">\u932f\u8aa41125\u7684\u539f\u56e0<\/h2>\n<p>\u932f\u8aa41125\u7684\u4e3b\u8981\u539f\u56e0\u662fMySQL\u6578\u64da\u5eab\u4e2d\u5df2\u7d93\u5b58\u5728\u4e00\u500b\u540c\u540d\u7684\u7528\u6236\u81ea\u5b9a\u7fa9\u51fd\u6578\u3002\u7576\u4f60\u5617\u8a66\u5275\u5efa\u4e00\u500b\u65b0\u7684\u51fd\u6578\u6642\uff0cMySQL\u6703\u6aa2\u67e5\u8a72\u51fd\u6578\u7684\u540d\u7a31\u662f\u5426\u5df2\u7d93\u5b58\u5728\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u6703\u8fd4\u56de\u932f\u8aa41125\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5728\u540c\u4e00\u500b\u6578\u64da\u5eab\u4e2d\u91cd\u8907\u5275\u5efa\u51fd\u6578\u3002<\/li>\n<li>\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u51fd\u6578\u540d\u7a31\u3002<\/li>\n<li>\u5728\u5347\u7d1a\u6216\u9077\u79fb\u6578\u64da\u5eab\u6642\uff0c\u672a\u80fd\u6b63\u78ba\u522a\u9664\u820a\u7684\u51fd\u6578\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%87%bd%e6%95%b8-tLhSkjPiNf\">\u5982\u4f55\u6aa2\u67e5\u5df2\u5b58\u5728\u7684\u51fd\u6578<\/h2>\n<p>\u5728\u4fee\u5fa9\u932f\u8aa41125\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u8a72\u51fd\u6578\u662f\u5426\u771f\u7684\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u7576\u524d\u6578\u64da\u5eab\u4e2d\u5df2\u5b58\u5728\u7684\u51fd\u6578\uff1a<\/p>\n<pre><code>SHOW FUNCTION STATUS WHERE Db = 'your_database_name';<\/code><\/pre>\n<p>\u5c07\u201cyour_database_name\u201d\u66ff\u63db\u70ba\u4f60\u6b63\u5728\u4f7f\u7528\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u8a72\u6578\u64da\u5eab\u4e2d\u6240\u6709\u5df2\u5b58\u5728\u7684\u51fd\u6578\u53ca\u5176\u76f8\u95dc\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-tLhSkjPiNf\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u5982\u679c\u78ba\u5b9a\u51fd\u6578\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u89e3\u6c7a\u932f\u8aa41125\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%87%bd%e6%95%b8-tLhSkjPiNf\">1. \u522a\u9664\u5df2\u5b58\u5728\u7684\u51fd\u6578<\/h3>\n<p>\u5982\u679c\u4f60\u4e0d\u518d\u9700\u8981\u5df2\u5b58\u5728\u7684\u51fd\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u522a\u9664\u5b83\uff1a<\/p>\n<pre><code>DROP FUNCTION IF EXISTS function_name;<\/code><\/pre>\n<p>\u5c07\u201cfunction_name\u201d\u66ff\u63db\u70ba\u4f60\u60f3\u8981\u522a\u9664\u7684\u51fd\u6578\u540d\u7a31\u3002\u9019\u6a23\u53ef\u4ee5\u6e05\u9664\u820a\u7684\u51fd\u6578\uff0c\u7136\u5f8c\u518d\u91cd\u65b0\u5275\u5efa\u65b0\u7684\u51fd\u6578\u3002<\/p>\n<h3 id=\"2-%e4%bf%ae%e6%94%b9%e5%87%bd%e6%95%b8%e5%90%8d%e7%a8%b1-tLhSkjPiNf\">2. \u4fee\u6539\u51fd\u6578\u540d\u7a31<\/h3>\n<p>\u5982\u679c\u4f60\u9700\u8981\u4fdd\u7559\u5df2\u5b58\u5728\u7684\u51fd\u6578\uff0c\u53ef\u4ee5\u8003\u616e\u4fee\u6539\u65b0\u51fd\u6578\u7684\u540d\u7a31\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u540d\u7a31\u885d\u7a81\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE FUNCTION new_function_name() RETURNS INT\nBEGIN\n    -- \u51fd\u6578\u908f\u8f2f\nEND;<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%87%bd%e6%95%b8%e7%9a%84%e5%ae%9a%e7%be%a9-tLhSkjPiNf\">3. \u6aa2\u67e5\u51fd\u6578\u7684\u5b9a\u7fa9<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u662f\u56e0\u70ba\u51fd\u6578\u7684\u5b9a\u7fa9\u4e0d\u6b63\u78ba\u5c0e\u81f4\u7684\u932f\u8aa4\u3002\u6aa2\u67e5\u51fd\u6578\u7684\u5b9a\u7fa9\uff0c\u78ba\u4fdd\u5176\u7b26\u5408MySQL\u7684\u8a9e\u6cd5\u898f\u7bc4\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tLhSkjPiNf\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41125\uff08SQLSTATE: HY000\uff09\u901a\u5e38\u662f\u7531\u65bc\u7528\u6236\u81ea\u5b9a\u7fa9\u51fd\u6578\u540d\u7a31\u885d\u7a81\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u5df2\u5b58\u5728\u7684\u51fd\u6578\u3001\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u51fd\u6578\u6216\u4fee\u6539\u51fd\u6578\u540d\u7a31\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u4f7f\u7528MySQL\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u8655\u7406\u9019\u985e\u932f\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u958b\u767c\u6548\u7387\u4e26\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u9ebb\u7169\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41125\uff08SQLSTATE: HY000\uff09\u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a\u51fd\u6578&#8217;%s&#8217;\u5df2\u5b58\u5728\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\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-177509","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177509","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=177509"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177509\/revisions"}],"predecessor-version":[{"id":177510,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177509\/revisions\/177510"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}