{"id":200539,"date":"2025-05-06T10:10:48","date_gmt":"2025-05-06T02:10:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200539\/"},"modified":"2025-05-06T10:10:48","modified_gmt":"2025-05-06T02:10:48","slug":"%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%89%e4%b8%aa%e6%9f%a5%e8%af%a2%e8%af%ad%e5%8f%a5%e5%90%88%e5%b9%b6%e4%b8%ba%e4%b8%80%e4%b8%aa%ef%bc%8c%e4%bb%a5%e7%bb%9f%e8%ae%a1%e4%b8%8d%e5%90%8c%e7%89%88%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200539\/","title":{"rendered":"\u5982\u4f55\u5c06\u4e09\u4e2a\u67e5\u8be2\u8bed\u53e5\u5408\u5e76\u4e3a\u4e00\u4e2a\uff0c\u4ee5\u7edf\u8ba1\u4e0d\u540c\u7248\u672c\u4e0b\u7279\u5b9a\u65f6\u95f4\u521b\u5efa\u7684\u8bb0\u5f55\u6570\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5c06\u4e09\u4e2a\u67e5\u8be2\u8bed\u53e5\u5408\u5e76\u4e3a\u4e00\u4e2a\uff0c\u4ee5\u7edf\u8ba1\u4e0d\u540c\u7248\u672c\u4e0b\u7279\u5b9a\u65f6\u95f4\u521b\u5efa\u7684\u8bb0\u5f55\u6570\uff1f<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u4e3b\u8981\u8bb2\u89e3\u4e86\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e3b\u673a\u5b9d\u8d1d\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241107\/1730991103672cd3ffd94d4.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5c06\u4e09\u6761 mysql \u67e5\u8be2\u8bed\u53e5\u5408\u5e76\u4e3a\u4e00\u6761\uff1f<\/strong><\/p>\n<p>\u5728\u95ee\u9898\u4e2d\uff0c\u4f60\u63d0\u4f9b\u4e86\u4e09\u6761 mysql \u67e5\u8be2\u8bed\u53e5\uff1a<\/p>\n<pre>select count(*) as tp_count from `qra_works` where `created_time` &gt; '2023-05-10 18:44:37' limit 1\nselect count(*) as tp_count from `qra_works` where `created_time` &gt; '2023-05-10 18:44:37' and `version` = 'junior' limit 1\nselect count(*) as tp_count from `qra_works` where `created_time` &gt; '2023-05-10 18:44:37' and `version` = 'senior' limit 1<\/pre>\n<p>\u8fd9\u4e9b\u8bed\u53e5\u7528\u4e8e\u83b7\u53d6 qra_works \u8868\u4e2d created_time \u5927\u4e8e\u7279\u5b9a\u65f6\u95f4\u4e14 version \u4e3a\u4e0d\u540c\u503c\u7684\u8bb0\u5f55\u6570\u3002\u786e\u5b9e\uff0c\u8fde\u7eed\u6267\u884c\u8fd9\u4e09\u6761\u8bed\u53e5\u4f1a\u5f71\u54cd\u6548\u7387\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u6761\u67e5\u8be2\u8bed\u53e5\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e09\u6761\u8bed\u53e5\u5408\u5e76\uff1a<\/p>\n<pre>select \n    version, count(*) as tp_count \nfrom \n    `qra_works` \nwhere \n    `created_time` &gt; '2023-05-10 18:44:37' \n\ngroup by version<\/pre>\n<p>\u5408\u5e76\u540e\u7684\u67e5\u8be2\u8bed\u53e5\u9996\u5148\u7b5b\u9009\u51fa created_time \u5927\u4e8e\u7279\u5b9a\u65f6\u95f4\u7684\u8bb0\u5f55\uff0c\u7136\u540e\u5bf9\u6bcf\u4e2a version \u503c\u8fdb\u884c\u5206\u7ec4\uff0c\u5e76\u7edf\u8ba1\u6bcf\u4e2a\u7ec4\u4e2d\u8bb0\u5f55\u7684\u6570\u91cf\u3002<\/p>\n<p>\u6267\u884c\u8fd9\u6761\u5408\u5e76\u540e\u7684\u67e5\u8be2\u8bed\u53e5\u5c06\u8fd4\u56de\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n<pre>+--------+----------+\n| version | tp_count |\n+--------+----------+\n| junior  | 100      |\n| senior  | 200      |\n+--------+----------+<\/pre>\n<p>\u8fd9\u4e0e\u5206\u522b\u6267\u884c\u4e09\u6761\u539f\u59cb\u67e5\u8be2\u8bed\u53e5\u5f97\u5230\u7684\u7ed3\u679c\u662f\u4e00\u81f4\u7684\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\u5c06\u4e09\u4e2a\u67e5\u8be2\u8bed\u53e5\u5408\u5e76\u4e3a\u4e00\u4e2a\uff0c\u4ee5\u7edf\u8ba1\u4e0d\u540c\u7248\u672c\u4e0b\u7279\u5b9a\u65f6\u95f4\u521b\u5efa\u7684\u8bb0\u5f55\u6570\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\u5c06\u4e09\u4e2a\u67e5\u8be2\u8bed\u53e5\u5408\u5e76\u4e3a\u4e00\u4e2a\uff0c\u4ee5&#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-200539","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200539","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=200539"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200539\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}