{"id":178464,"date":"2024-11-08T18:11:25","date_gmt":"2024-11-08T10:11:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178464\/"},"modified":"2024-11-08T18:11:26","modified_gmt":"2024-11-08T10:11:26","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41336-sqlstate-42000-er_sp_varcond_after_curshndlr-%e6%b8%b8%e6%a8%99%e6%88%96%e8%99%95%e7%90%86%e7%a8%8b%e5%ba%8f%e8%81%b2%e6%98%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178464\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41336 &#8211; SQLSTATE: 42000 (ER_SP_VARCOND_AFTER_CURSHNDLR) \u6e38\u6a19\u6216\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u5f8c\u7684\u8b8a\u91cf\u6216\u689d\u4ef6\u8072\u660e"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41336-sqlstate-42000-er_sp_varcond_after_curshndlr-%e6%b8%b8%e6%a8%99%e6%88%96%e8%99%95%e7%90%86%e7%a8%8b%e5%ba%8f%e8%81%b2%e6%98%8e-ClZOFWgVrs\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41336 &#8211; SQLSTATE: 42000 (ER_SP_VARCOND_AFTER_CURSHNDLR) \u6e38\u6a19\u6216\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u5f8c\u7684\u8b8a\u91cf\u6216\u689d\u4ef6\u8072\u660e<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa41336\uff0c\u8a72\u932f\u8aa4\u7684SQLSTATE\u4ee3\u78bc\u70ba42000\uff0c\u5177\u9ad4\u932f\u8aa4\u4fe1\u606f\u70ba\u201cER_SP_VARCOND_AFTER_CURSHNDLR\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\uff0c\u7576\u958b\u767c\u8005\u5728\u6e38\u6a19\u6216\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u5f8c\u5617\u8a66\u8072\u660e\u8b8a\u91cf\u6216\u689d\u4ef6\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\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%e5%88%86%e6%9e%90-ClZOFWgVrs\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MySQL\u7684\u5b58\u5132\u904e\u7a0b\u5141\u8a31\u958b\u767c\u8005\u4f7f\u7528\u6e38\u6a19\u4f86\u904d\u6b77\u67e5\u8a62\u7d50\u679c\u96c6\u3002\u7136\u800c\uff0c\u6839\u64daMySQL\u7684\u8a9e\u6cd5\u898f\u5247\uff0c\u6e38\u6a19\u6216\u8655\u7406\u7a0b\u5e8f\u7684\u8072\u660e\u5fc5\u9808\u5728\u8b8a\u91cf\u6216\u689d\u4ef6\u8072\u660e\u4e4b\u524d\u9032\u884c\u3002\u5982\u679c\u958b\u767c\u8005\u5728\u6e38\u6a19\u6216\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u5f8c\u518d\u8072\u660e\u8b8a\u91cf\u6216\u689d\u4ef6\uff0c\u5c31\u6703\u5c0e\u81f4\u932f\u8aa41336\u7684\u767c\u751f\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u78bc\u7247\u6bb5\u5c07\u5f15\u767c\u932f\u8aa41336\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE example_procedure()\nBEGIN\n    DECLARE done INT DEFAULT FALSE;\n    DECLARE cursor_example CURSOR FOR SELECT * FROM example_table;\n    \n    -- \u932f\u8aa4\uff1a\u5728\u6e38\u6a19\u8072\u660e\u4e4b\u5f8c\u8072\u660e\u8b8a\u91cf\n    DECLARE variable_example INT;\n    \n    OPEN cursor_example;\n    -- \u5176\u4ed6\u908f\u8f2f\nEND \/\/\nDELIMITER ;\n<\/code><\/pre>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41336-ClZOFWgVrs\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41336<\/h2>\n<p>\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u958b\u767c\u8005\u9700\u8981\u78ba\u4fdd\u6240\u6709\u7684\u8b8a\u91cf\u548c\u689d\u4ef6\u8072\u660e\u90fd\u5728\u6e38\u6a19\u6216\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u524d\u3002\u4ee5\u4e0b\u662f\u4fee\u6b63\u5f8c\u7684\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE example_procedure()\nBEGIN\n    -- \u6b63\u78ba\uff1a\u5728\u6e38\u6a19\u8072\u660e\u4e4b\u524d\u8072\u660e\u8b8a\u91cf\n    DECLARE variable_example INT;\n    DECLARE done INT DEFAULT FALSE;\n    DECLARE cursor_example CURSOR FOR SELECT * FROM example_table;\n    \n    OPEN cursor_example;\n    -- \u5176\u4ed6\u908f\u8f2f\nEND \/\/\nDELIMITER ;\n<\/code><\/pre>\n<h2 id=\"%e5%85%b6%e4%bb%96%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ClZOFWgVrs\">\u5176\u4ed6\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u7de8\u5beb\u5b58\u5132\u904e\u7a0b\u6642\uff0c\u958b\u767c\u8005\u9084\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6240\u6709\u7684\u8b8a\u91cf\u548c\u689d\u4ef6\u8072\u660e\u90fd\u5728BEGIN\u8a9e\u53e5\u5167\u90e8\u9032\u884c\u3002<\/li>\n<li>\u4f7f\u7528\u9069\u7576\u7684DELIMITER\u4f86\u907f\u514d\u8a9e\u6cd5\u89e3\u6790\u932f\u8aa4\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u6e38\u6a19\u6642\uff0c\u8a18\u5f97\u5728\u7d50\u675f\u6642\u95dc\u9589\u6e38\u6a19\uff0c\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ClZOFWgVrs\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41336\uff08SQLSTATE: 42000\uff09\u901a\u5e38\u662f\u7531\u65bc\u5728\u6e38\u6a19\u6216\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u4e4b\u5f8c\u8072\u660e\u8b8a\u91cf\u6216\u689d\u4ef6\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u78ba\u4fdd\u6240\u6709\u8b8a\u91cf\u548c\u689d\u4ef6\u8072\u660e\u5728\u6e38\u6a19\u4e4b\u524d\u9032\u884c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5eab\u7ba1\u7406\u7684\u958b\u767c\u8005\u4f86\u8aaa\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\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u4e86\u89e3\u9019\u4e9b\u932f\u8aa4\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u958b\u767c\u6548\u7387\uff0c\u4e26\u6e1b\u5c11\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u9047\u5230\u7684\u554f\u984c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41336\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u6e38\u6a19\u6216\u8655\u7406\u7a0b\u5e8f\u8072\u660e\u5f8c\u7684\u8b8a\u91cf\u6216\u689d\u4ef6\u8072\u660e\u554f\u984c\u7684\u89e3\u6c7a\u65b9\u6848\u8207\u6700\u4f73\u5be6\u8e10\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-178464","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178464","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=178464"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178464\/revisions"}],"predecessor-version":[{"id":178465,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178464\/revisions\/178465"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}