{"id":26591,"date":"2024-11-24T11:47:02","date_gmt":"2024-11-24T03:47:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26591\/"},"modified":"2024-11-24T11:47:02","modified_gmt":"2024-11-24T03:47:02","slug":"%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%89%e5%8f%a5-mysql-%e6%9f%a5%e8%af%a2%e5%90%88%e5%b9%b6%e4%b8%ba%e4%b8%80%e5%8f%a5%e4%bb%a5%e6%8f%90%e5%8d%87%e6%95%88%e7%8e%87%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26591\/","title":{"rendered":"\u5982\u4f55\u5c06\u4e09\u53e5 MySQL \u67e5\u8be2\u5408\u5e76\u4e3a\u4e00\u53e5\u4ee5\u63d0\u5347\u6548\u7387\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u5c06\u4e09\u53e5<\/p>\n

\u5982\u4f55\u5c06\u4e09\u53e5 \u67e5\u8be2\u5408\u5e76\u4e3a\u4e00\u53e5\uff1f<\/strong><\/p>\n

\u539f\u6709\u4e09\u53e5\u67e5\u8be2\u5982\u4e0b\uff1a<\/p>\n

select count(*) as tp_count from `qra_works` where `created_time` > '2023-05-10 18:44:37' limit 1\nselect count(*) as tp_count from `qra_works` where `created_time` > '2023-05-10 18:44:37' and `version` = 'junior' limit 1\nselect count(*) as tp_count from `qra_works` where `created_time` > '2023-05-10 18:44:37' and `version` = 'senior' limit 1<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u4e9b\u67e5\u8be2\u6267\u884c\u4e09\u6b21\uff0c\u5f71\u54cd\u6548\u7387\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 group by \u5b50\u53e5\u5c06\u5b83\u4eec\u5408\u5e76\u4e3a\u4e00\u53e5\u67e5\u8be2\uff1a<\/p>\n
SELECT\n    version, COUNT(*) AS tp_count\nFROM\n    `qra_works`\nWHERE\n    `created_time` > '2023-05-10 18:44:37'\n\nGROUP BY\n    version<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u67e5\u8be2\u5c06\u8fd4\u56de\u7248\u672c\u548c\u76f8\u5e94\u6570\u91cf\uff0c\u7c7b\u4f3c\u4e8e\u539f\u59cb\u67e5\u8be2\u7684\u7ed3\u679c\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5c06\u4e09\u53e5 MySQL \u67e5\u8be2\u5408\u5e76\u4e3a\u4e00\u53e5\u4ee5\u63d0\u5347\u6548\u7387\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5c06\u4e09\u53e5 \u67e5\u8be2\u5408\u5e76\u4e3a\u4e00\u53e5\uff1f \u539f\u6709\u4e09\u53e5\u67e5\u8be2\u5982\u4e0b\uff1a select count(*) as tp_count from `qra_works` where `created_time` > ‘2023-05-10 18:44:37’ limit 1 select count(*) as tp_count from `qra_works` where `created_time` > ‘2023-05-10 18:44:37’ and `version` = ‘junior’ limit 1 select count(*) as tp_count from `qra_works` where `created_time` > ‘2023-05-10 18:44:37’ and `version` = ‘senior’ limit 1 \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4e9b\u67e5\u8be2\u6267\u884c\u4e09\u6b21\uff0c\u5f71\u54cd\u6548\u7387\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 group by \u5b50\u53e5\u5c06\u5b83\u4eec\u5408\u5e76\u4e3a\u4e00\u53e5\u67e5\u8be2\uff1a […]<\/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-26591","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26591","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=26591"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26591\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=26591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=26591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=26591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}