{"id":6896,"date":"2024-11-14T14:32:07","date_gmt":"2024-11-14T06:32:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6896\/"},"modified":"2024-11-14T14:32:07","modified_gmt":"2024-11-14T06:32:07","slug":"%e5%a6%82%e4%bd%95%e4%b8%80%e6%ac%a1%e6%80%a7%e6%9f%a5%e8%af%a2%e5%a4%9a%e4%b8%aa%e5%8d%95%e5%8f%b7%e7%9a%84%e6%9c%80%e6%96%b0%e7%8a%b6%e6%80%81%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6896\/","title":{"rendered":"\u5982\u4f55\u4e00\u6b21\u6027\u67e5\u8be2\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173003167015683.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4e00\u6b21\u6027\u67e5\u8be2\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4e00\u6b21\u6027\u67e5\u8be2\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f18\u5316  \u67e5\u8be2\u4ee5\u4e00\u6b21\u67e5\u8be2\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001<\/strong><\/p>\n<p>\u5728\u7ed9\u5b9a\u7684\u6570\u636e\u5e93\u8868\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u67e5\u8be2\u5355\u53f7\u4e3a 1 \u548c 2 \u7684\u6700\u65b0\u72b6\u6001\u4fe1\u606f\u3002\u7136\u800c\uff0c\u5229\u7528\u5faa\u73af\u67e5\u8be2\u7684\u65b9\u6cd5\u6548\u7387\u8f83\u4f4e\u3002\u4e0b\u9762\u63d0\u4f9b\u4e86\u4e00\u79cd\u6709\u6548\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u53ef\u4ee5\u4e00\u6b21\u6027\u83b7\u53d6\u6240\u6709\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\uff1a<\/p>\n<pre>SELECT ord_id, status, updated_at\nFROM tablename\nWHERE ord_id IN (1, 2)\nGROUP BY ord_id<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u67e5\u8be2\u539f\u7406\uff1a<\/strong><\/p>\n<ul>\n<li>in \u64cd\u4f5c\u7b26\u7528\u4e8e\u5bf9\u591a\u4e2a\u5355\u53f7\u8fdb\u884c\u8fc7\u6ee4\uff0c\u4ece\u800c\u6ee1\u8db3\u7ed9\u5b9a\u7684\u6761\u4ef6\u3002<\/li>\n<li>group by \u5b50\u53e5\u6309\u5355\u53f7\u8fdb\u884c\u5206\u7ec4\uff0c\u5e76\u663e\u793a\u6bcf\u7ec4\u7684\u6700\u65b0\u72b6\u6001\uff0c\u8fd9\u662f\u901a\u8fc7\u6309 updated_at \u5217\u8fdb\u884c\u6392\u5e8f\u540e\u83b7\u53d6\u7b2c\u4e00\u6761\u8bb0\u5f55\u6765\u5b9e\u73b0\u7684\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4f7f\u7528\u6b64\u67e5\u8be2\uff0c\u60a8\u53ef\u4ee5\u4e00\u6b21\u6027\u68c0\u7d22\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\u4fe1\u606f\uff0c\u800c\u65e0\u9700\u591a\u6b21\u5faa\u73af\u67e5\u8be2\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4e00\u6b21\u6027\u67e5\u8be2\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f18\u5316 \u67e5\u8be2\u4ee5\u4e00\u6b21\u67e5\u8be2\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001 \u5728\u7ed9\u5b9a\u7684\u6570\u636e\u5e93\u8868\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u67e5\u8be2\u5355\u53f7\u4e3a 1 \u548c 2 \u7684\u6700\u65b0\u72b6\u6001\u4fe1\u606f\u3002\u7136\u800c\uff0c\u5229\u7528\u5faa\u73af\u67e5\u8be2\u7684\u65b9\u6cd5\u6548\u7387\u8f83\u4f4e\u3002\u4e0b\u9762\u63d0\u4f9b\u4e86\u4e00\u79cd\u6709\u6548\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u53ef\u4ee5\u4e00\u6b21\u6027\u83b7\u53d6\u6240\u6709\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\uff1a SELECT ord_id, status, updated_at FROM tablename WHERE ord_id IN (1, 2) GROUP BY ord_id \u767b\u5f55\u540e\u590d\u5236 \u67e5\u8be2\u539f\u7406\uff1a in \u64cd\u4f5c\u7b26\u7528\u4e8e\u5bf9\u591a\u4e2a\u5355\u53f7\u8fdb\u884c\u8fc7\u6ee4\uff0c\u4ece\u800c\u6ee1\u8db3\u7ed9\u5b9a\u7684\u6761\u4ef6\u3002 group by \u5b50\u53e5\u6309\u5355\u53f7\u8fdb\u884c\u5206\u7ec4\uff0c\u5e76\u663e\u793a\u6bcf\u7ec4\u7684\u6700\u65b0\u72b6\u6001\uff0c\u8fd9\u662f\u901a\u8fc7\u6309 updated_at \u5217\u8fdb\u884c\u6392\u5e8f\u540e\u83b7\u53d6\u7b2c\u4e00\u6761\u8bb0\u5f55\u6765\u5b9e\u73b0\u7684\u3002 \u901a\u8fc7\u4f7f\u7528\u6b64\u67e5\u8be2\uff0c\u60a8\u53ef\u4ee5\u4e00\u6b21\u6027\u68c0\u7d22\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\u4fe1\u606f\uff0c\u800c\u65e0\u9700\u591a\u6b21\u5faa\u73af\u67e5\u8be2\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4e00\u6b21\u6027\u67e5\u8be2\u591a\u4e2a\u5355\u53f7\u7684\u6700\u65b0\u72b6\u6001\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6896","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6896"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6896\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}