{"id":200370,"date":"2025-05-06T09:08:18","date_gmt":"2025-05-06T01:08:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200370\/"},"modified":"2025-05-06T09:08:18","modified_gmt":"2025-05-06T01:08:18","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%ad%90%e6%9f%a5%e8%af%a2%e5%b0%86%e6%96%87%e7%ab%a0%e8%a1%a8%e6%95%b0%e6%8d%ae%e6%9b%b4%e6%96%b0%e5%88%b0%e5%b8%96%e5%ad%90%e8%a1%a8%e4%b8%ad%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200370\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u5b50\u67e5\u8be2\u5c06\u6587\u7ae0\u8868\u6570\u636e\u66f4\u65b0\u5230\u5e16\u5b50\u8868\u4e2d\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528\u5b50\u67e5\u8be2\u5c06\u6587\u7ae0\u8868\u6570\u636e\u66f4\u65b0\u5230\u5e16\u5b50\u8868\u4e2d\uff1f<\/h1>\n<p>\u5b66\u4e60\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u5c06\u4f1a\u4ecb\u7ecd\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241103\/1730613998672712eeeb404.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>sql \u4e2d\u5728\u5b50\u67e5\u8be2\u4e2d\u4f20\u9012\u53c2\u6570\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 sql \u4e2d\uff0c\u5b50\u67e5\u8be2\u7684\u529f\u80fd\u975e\u5e38\u5f3a\u5927\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u5728\u4e3b\u67e5\u8be2\u4e2d\u5d4c\u5957\u4e00\u4e2a\u67e5\u8be2\u4ee5\u83b7\u53d6\u6570\u636e\u3002\u5f53\u9700\u8981\u5411\u5b50\u67e5\u8be2\u4f20\u9012\u53c2\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5360\u4f4d\u7b26\uff0c\u4e0b\u9762\u4ee5\u4e00\u4e2a\u5177\u4f53\u4f8b\u5b50\u8fdb\u884c\u8bf4\u660e\uff1a<\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u5982\u4f55\u7f16\u5199\u4e00\u6761 sql \u8bed\u53e5\uff0c\u5c06 article \u8868\u4e2d pid \u5217\u4e0e post \u8868\u4e2d id \u5217\u76f8\u7b49\u7684\u884c\u4e2d post \u8868 content \u5217\u7684\u503c\u66f4\u65b0\u4e3a article \u8868 id \u5217\u7684\u8fde\u63a5\u503c\uff0c\u5e76\u4e14 post \u8868 id \u5217\u5c0f\u4e8e 720\uff1f<\/p>\n<p><strong>\u89e3\u7b54\uff1a<\/strong><\/p>\n<pre>UPDATE post SET content=(SELECT group_concat(id)ids FROM article WHERE pid = a.id) WHERE a.id &lt; 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