{"id":178506,"date":"2024-11-08T18:32:23","date_gmt":"2024-11-08T10:32:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178506\/"},"modified":"2024-11-08T18:32:23","modified_gmt":"2024-11-08T10:32:23","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41357-sqlstate-hy000-er_sp_goto_in_hndlr-%e4%b8%8d%e5%85%81%e8%ae%b8%e5%9c%a8%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178506\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41357 &#8211; SQLSTATE: HY000 (ER_SP_GOTO_IN_HNDLR) \u4e0d\u5141\u8bb8\u5728\u5b58\u50a8\u8fc7\u7a0b\u5904\u7406\u7a0b\u5e8f\u4e2d\u4f7f\u7528GOTO"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41357-sqlstate-hy000-er_sp_goto_in_hndlr-%e4%b8%8d%e5%85%81%e8%a8%b1%e5%9c%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e8%99%95%e7%90%86-RMSlasDAsY\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41357 &#8211; SQLSTATE: HY000 (ER_SP_GOTO_IN_HNDLR) \u4e0d\u5141\u8a31\u5728\u5b58\u5132\u904e\u7a0b\u8655\u7406\u7a0b\u5e8f\u4e2d\u4f7f\u7528GOTO<\/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\u78bc1357\uff0c\u8a72\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201cSQLSTATE: HY000 (ER_SP_GOTO_IN_HNDLR)\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\uff0c\u7576\u958b\u767c\u8005\u5617\u8a66\u5728\u8655\u7406\u7a0b\u5e8f\u4e2d\u4f7f\u7528GOTO\u8a9e\u53e5\u6642\uff0cMySQL\u6703\u5831\u544a\u6b64\u932f\u8aa4\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%e5%88%86%e6%9e%90-RMSlasDAsY\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MySQL\u7684\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u529f\u80fd\uff0c\u5141\u8a31\u958b\u767c\u8005\u7de8\u5beb\u53ef\u91cd\u7528\u7684SQL\u4ee3\u78bc\u3002\u7136\u800c\uff0cMySQL\u5c0d\u65bc\u5b58\u5132\u904e\u7a0b\u4e2d\u7684\u63a7\u5236\u6d41\u6709\u4e00\u4e9b\u9650\u5236\u3002\u6839\u64daMySQL\u7684\u6587\u6a94\uff0cGOTO\u8a9e\u53e5\u4e0d\u5141\u8a31\u5728\u5b58\u5132\u904e\u7a0b\u7684\u8655\u7406\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u3002\u9019\u662f\u56e0\u70baGOTO\u8a9e\u53e5\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u4e0b\u964d\uff0c\u4e26\u4e14\u53ef\u80fd\u6703\u5f15\u5165\u96e3\u4ee5\u8ffd\u8e64\u7684\u908f\u8f2f\u932f\u8aa4\u3002<\/p>\n<p>\u7576\u958b\u767c\u8005\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u4f7f\u7528GOTO\u8a9e\u53e5\u6642\uff0cMySQL\u6703\u6aa2\u6e2c\u5230\u9019\u4e00\u9ede\u4e26\u8fd4\u56de\u932f\u8aa41357\u3002\u9019\u610f\u5473\u8457\u958b\u767c\u8005\u9700\u8981\u91cd\u65b0\u8003\u616e\u5176\u4ee3\u78bc\u7d50\u69cb\uff0c\u4e26\u5c0b\u627e\u5176\u4ed6\u63a7\u5236\u6d41\u7684\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-RMSlasDAsY\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9\u932f\u8aa41357\uff0c\u958b\u767c\u8005\u9700\u8981\u907f\u514d\u5728\u5b58\u5132\u904e\u7a0b\u7684\u8655\u7406\u7a0b\u5e8f\u4e2d\u4f7f\u7528GOTO\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u884c\u7684\u66ff\u4ee3\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8if-else%e7%b5%90%e6%a7%8b-RMSlasDAsY\">1. \u4f7f\u7528IF&#8230;ELSE\u7d50\u69cb<\/h3>\n<p>IF&#8230;ELSE\u7d50\u69cb\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u63a7\u5236\u6d41\u8a9e\u53e5\uff0c\u53ef\u4ee5\u7528\u4f86\u66ff\u4ee3GOTO\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE example_procedure()\nBEGIN\n    DECLARE exit_code INT DEFAULT 0;\n\n    IF exit_code = 0 THEN\n        -- \u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\n    ELSE\n        -- \u57f7\u884c\u5176\u4ed6\u64cd\u4f5c\n    END IF;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8loop%e7%b5%90%e6%a7%8b-RMSlasDAsY\">2. \u4f7f\u7528LOOP\u7d50\u69cb<\/h3>\n<p>LOOP\u7d50\u69cb\u53ef\u4ee5\u7528\u4f86\u5275\u5efa\u4e00\u500b\u5faa\u74b0\uff0c\u4e26\u5728\u7279\u5b9a\u689d\u4ef6\u4e0b\u9000\u51fa\u5faa\u74b0\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4f7f\u7528GOTO\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE example_loop()\nBEGIN\n    DECLARE counter INT DEFAULT 0;\n\n    loop_label: LOOP\n        SET counter = counter + 1;\n\n        IF counter &gt; 10 THEN\n            LEAVE loop_label;\n        END IF;\n\n        -- \u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\n    END LOOP;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8case%e8%aa%9e%e5%8f%a5-RMSlasDAsY\">3. \u4f7f\u7528CASE\u8a9e\u53e5<\/h3>\n<p>CASE\u8a9e\u53e5\u53ef\u4ee5\u7528\u4f86\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u57f7\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\uff0c\u9019\u4e5f\u662f\u4e00\u7a2e\u6709\u6548\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE example_case()\nBEGIN\n    DECLARE status INT DEFAULT 1;\n\n    CASE status\n        WHEN 1 THEN\n            -- \u57f7\u884c\u64cd\u4f5c1\n        WHEN 2 THEN\n            -- \u57f7\u884c\u64cd\u4f5c2\n        ELSE\n            -- \u57f7\u884c\u9ed8\u8a8d\u64cd\u4f5c\n    END CASE;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RMSlasDAsY\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41357\u662f\u7531\u65bc\u5728\u5b58\u5132\u904e\u7a0b\u7684\u8655\u7406\u7a0b\u5e8f\u4e2d\u4f7f\u7528GOTO\u8a9e\u53e5\u800c\u5f15\u8d77\u7684\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u958b\u767c\u8005\u61c9\u8a72\u8003\u616e\u4f7f\u7528IF&#8230;ELSE\u3001LOOP\u6216CASE\u7b49\u63a7\u5236\u6d41\u7d50\u69cb\u4f86\u66ff\u4ee3GOTO\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u4fee\u5fa9\u932f\u8aa4\uff0c\u9084\u80fd\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u6258\u7ba1\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7a69\u5b9a\u548c\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41357 (SQLSTATE: HY000) \u7684\u65b9\u6cd5\uff0c\u89e3\u91cb\u70ba\u4f55\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u4e0d\u5141\u8a31\u4f7f\u7528GOTO\uff0c\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\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-178506","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178506","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=178506"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178506\/revisions"}],"predecessor-version":[{"id":178507,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178506\/revisions\/178507"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}