{"id":200222,"date":"2025-05-06T08:52:55","date_gmt":"2025-05-06T00:52:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200222\/"},"modified":"2025-05-06T08:52:55","modified_gmt":"2025-05-06T00:52:55","slug":"%e5%a6%82%e4%bd%95%e9%ab%98%e6%95%88%e6%9f%a5%e8%af%a2%e5%a4%9a%e4%b8%aa%e8%ae%a2%e5%8d%95%e7%9a%84%e6%9c%80%e6%96%b0%e7%8a%b6%e6%80%81%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200222\/","title":{"rendered":"\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u591a\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u591a\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\uff1f<\/h1>\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u591a\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241029\/173016525067203a02cc261.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u4f18\u5316 mysql \u67e5\u8be2\u4ee5\u83b7\u53d6\u591a\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001<\/strong><\/p>\n<p>\u95ee\u9898\u63cf\u8ff0\uff1a<\/p>\n<p>\u7ed9\u5b9a\u4e00\u4e2a\u8ba2\u5355\u8868\uff0c\u6bcf\u4e2a\u8ba2\u5355\u6709\u591a\u6761\u72b6\u6001\u66f4\u65b0\u8bb0\u5f55\u3002\u73b0\u5728\u9700\u8981\u67e5\u8be2\u591a\u7b14\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\uff0c\u4f46\u5faa\u73af\u904d\u5386\u5e76\u6309\u65e5\u671f\u6392\u5e8f\u67e5\u8be2\u6548\u7387\u4f4e\u4e0b\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u5f0f\uff1a<\/p>\n<p>\u91c7\u7528 mysql \u7684 group by \u8bed\u53e5\u6765\u67e5\u8be2\u591a\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\u3002\u5177\u4f53\u67e5\u8be2\u8bed\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre>SELECT ord_id,status,updated_at \nFROM tablename \nWHERE ord_id IN (001,002,003) \nGROUP BY ord_id<\/pre>\n<p>\u5728\u8fd9\u4e2a\u67e5\u8be2\u4e2d\uff1a<\/p>\n<ul>\n<li>ord_id \u662f\u8ba2\u5355 id\u3002<\/li>\n<li>status \u662f\u8ba2\u5355\u72b6\u6001\u3002<\/li>\n<li>updated_at \u662f\u72b6\u6001\u66f4\u65b0\u65f6\u95f4\u3002<\/li>\n<li>in (001,002,003) \u6307\u5b9a\u4e86\u8981\u67e5\u8be2\u7684\u8ba2\u5355 id\u3002<\/li>\n<\/ul>\n<p>group by ord_id \u5b50\u53e5\u5c06\u6839\u636e ord_id \u5206\u7ec4\u67e5\u8be2\u7ed3\u679c\uff0c\u5e76\u8fd4\u56de\u6bcf\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\u8bb0\u5f55\u3002<\/p>\n<p>\u8fd9\u6837\uff0c\u53ea\u9700\u8981\u6267\u884c\u4e00\u6b21\u67e5\u8be2\uff0c\u5c31\u53ef\u4ee5\u83b7\u53d6\u591a\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u67e5\u8be2\u6548\u7387\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u591a\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u591a\u4e2a\u8ba2\u5355\u7684\u6700\u65b0\u72b6\u6001\uff1f&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200222","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200222","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200222"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200222\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}