{"id":66637,"date":"2024-10-14T19:21:19","date_gmt":"2024-10-14T11:21:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66637\/"},"modified":"2024-10-14T19:21:19","modified_gmt":"2024-10-14T11:21:19","slug":"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3576%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_cte_recursive_forbidden_join_order%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66637\/","title":{"rendered":"MySQL \u932f\u8aa4\u865f\uff1a3576\uff1b\u7b26\u865f\uff1aER_CTE_RECURSIVE_FORBIDDEN_JOIN_ORDER\uff1bSQLSTATE\uff1aHY000 \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"mysql-%e9%8c%af%e8%aa%a4%e8%99%9f%ef%bc%9a3576%ef%bc%9b%e7%ac%a6%e8%99%9f%ef%bc%9aer_cte_recursive_forbidden_join_order%ef%bc%9bsqlstate%ef%bc%9ahy000-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae-EeFvlUMRSC\">MySQL \u932f\u8aa4\u865f\uff1a3576\uff1b\u7b26\u865f\uff1aER_CTE_RECURSIVE_FORBIDDEN_JOIN_ORDER\uff1bSQLSTATE\uff1aHY000 \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u932f\u8aa4\u865f 3576\uff0c\u7b26\u865f\u70ba ER_CTE_RECURSIVE_FORBIDDEN_JOIN_ORDER\uff0cSQLSTATE \u70ba HY000\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528\u905e\u6b78\u516c\u7528\u8868\u8868\u9054\u5f0f\uff08CTE\uff09\u6642\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u806f\u63a5\u64cd\u4f5c\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%9a%84%e6%88%90%e5%9b%a0-EeFvlUMRSC\">\u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>\u7576\u4f7f\u7528\u905e\u6b78 CTE \u6642\uff0cMySQL \u5c0d\u65bc\u806f\u63a5\u7684\u9806\u5e8f\u6709\u7279\u5b9a\u7684\u9650\u5236\u3002\u9019\u662f\u56e0\u70ba\u905e\u6b78 CTE \u9700\u8981\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u4fdd\u6301\u4e00\u81f4\u7684\u7d50\u69cb\uff0c\u800c\u4e0d\u6b63\u78ba\u7684\u806f\u63a5\u9806\u5e8f\u53ef\u80fd\u6703\u5c0e\u81f4\u7121\u6cd5\u9810\u6e2c\u7684\u7d50\u679c\u6216\u7121\u9650\u5faa\u74b0\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u7576\u4f60\u5617\u8a66\u5728\u905e\u6b78 CTE \u4e2d\u9032\u884c\u4e0d\u5141\u8a31\u7684\u806f\u63a5\u6642\uff0c\u5c31\u6703\u89f8\u767c\u6b64\u932f\u8aa4\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-EeFvlUMRSC\">\u793a\u4f8b<\/h3>\n<pre><code>WITH RECURSIVE cte AS (\n    SELECT id, parent_id FROM categories WHERE parent_id IS NULL\n    UNION ALL\n    SELECT c.id, c.parent_id\n    FROM categories c\n    JOIN cte ON c.parent_id = cte.id\n)\nSELECT * FROM cte;\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u5982\u679c\u5728 CTE \u7684\u905e\u6b78\u90e8\u5206\u4e2d\u6dfb\u52a0\u4e86\u4e0d\u6b63\u78ba\u7684\u806f\u63a5\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4 3576 \u7684\u51fa\u73fe\u3002<\/p>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-EeFvlUMRSC\">\u5f71\u97ff<\/h2>\n<p>\u9019\u500b\u932f\u8aa4\u4e0d\u50c5\u6703\u5c0e\u81f4\u67e5\u8a62\u5931\u6557\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u5230\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u932f\u8aa4\u7684\u806f\u63a5\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\uff0c\u751a\u81f3\u9020\u6210\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-EeFvlUMRSC\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9 MySQL \u932f\u8aa4 3576\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\u806f\u63a5\u9806\u5e8f\uff1a<\/strong>\u78ba\u4fdd\u5728 CTE \u7684\u905e\u6b78\u90e8\u5206\u4e2d\uff0c\u6240\u6709\u7684\u806f\u63a5\u90fd\u662f\u6b63\u78ba\u7684\uff0c\u4e26\u4e14\u7b26\u5408 MySQL \u7684\u8981\u6c42\u3002<\/li>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u5982\u679c\u53ef\u80fd\uff0c\u5c07\u8907\u96dc\u7684\u67e5\u8a62\u62c6\u5206\u70ba\u591a\u500b\u7c21\u55ae\u7684\u67e5\u8a62\uff0c\u7136\u5f8c\u518d\u9032\u884c\u806f\u63a5\u3002<\/li>\n<li><strong>\u4f7f\u7528\u81e8\u6642\u8868\uff1a<\/strong>\u8003\u616e\u4f7f\u7528\u81e8\u6642\u8868\u4f86\u5b58\u5132\u4e2d\u9593\u7d50\u679c\uff0c\u7136\u5f8c\u518d\u9032\u884c\u6700\u7d42\u7684\u67e5\u8a62\u3002<\/li>\n<li><strong>\u67e5\u95b1\u6587\u6a94\uff1a<\/strong>\u53c3\u8003 MySQL \u7684\u5b98\u65b9\u6587\u6a94\uff0c\u4e86\u89e3 CTE \u7684\u4f7f\u7528\u9650\u5236\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bf%ae%e5%be%a9-EeFvlUMRSC\">\u793a\u4f8b\u4fee\u5fa9<\/h3>\n<pre><code>WITH RECURSIVE cte AS (\n    SELECT id, parent_id FROM categories WHERE parent_id IS NULL\n    UNION ALL\n    SELECT c.id, c.parent_id\n    FROM categories c\n    JOIN cte ON c.parent_id = cte.id\n)\nSELECT * FROM cte WHERE parent_id IS NOT NULL;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4fee\u5fa9\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u78ba\u4fdd\u4e86\u806f\u63a5\u7684\u6b63\u78ba\u6027\uff0c\u4e26\u4e14\u5728\u6700\u7d42\u67e5\u8a62\u4e2d\u6dfb\u52a0\u4e86\u904e\u6ffe\u689d\u4ef6\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u8fd4\u56de\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-EeFvlUMRSC\">\u7d50\u8ad6<\/h2>\n<p>MySQL \u932f\u8aa4\u865f 3576 \u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u905e\u6b78 CTE \u6642\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u806f\u63a5\u9806\u5e8f\u3001\u7c21\u5316\u67e5\u8a62\u548c\u4f7f\u7528\u81e8\u6642\u8868\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u9019\u4e9b\u932f\u8aa4\u7684\u6210\u56e0\u548c\u89e3\u6c7a\u65b9\u6848\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u9019\u6a23\u624d\u80fd\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 MySQL \u6578\u64da\u5eab\u7684\u4f7f\u7528\u548c\u7ba1\u7406\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a MySQL \u932f\u8aa4\u865f 3576 \u7684\u65b9\u6cd5\uff0c\u4e86\u89e3 ER_CTE_RECURSIVE_FORBIDDEN_JOIN_ORDER \u932f\u8aa4\u53ca\u5176\u9060\u7a0b\u8655\u7406\u6280\u5de7\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-66637","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66637","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=66637"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66637\/revisions"}],"predecessor-version":[{"id":66638,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66637\/revisions\/66638"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}