{"id":200815,"date":"2025-05-06T09:11:52","date_gmt":"2025-05-06T01:11:52","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200815\/"},"modified":"2025-05-06T09:11:52","modified_gmt":"2025-05-06T01:11:52","slug":"%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%89%e6%9d%a1-mysql-%e6%9f%a5%e8%af%a2%e4%bc%98%e5%8c%96%e4%b8%ba%e4%b8%80%e6%9d%a1%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200815\/","title":{"rendered":"\u5982\u4f55\u5c06\u4e09\u6761 MySQL \u67e5\u8be2\u4f18\u5316\u4e3a\u4e00\u6761\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5c06\u4e09\u6761 MySQL \u67e5\u8be2\u4f18\u5316\u4e3a\u4e00\u6761\uff1f<\/h1>\n<p>\u4f60\u5728\u5b66\u4e60\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241115\/17316704236737319731295.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5c06\u4e09\u6761 mysql \u67e5\u8be2\u4f18\u5316\u4e3a\u4e00\u6761\uff1f <\/strong><\/p>\n<p>\u5728\u4f18\u5316 mysql \u67e5\u8be2\u65f6\uff0c\u5c06\u591a\u6761\u67e5\u8be2\u5408\u5e76\u4e3a\u4e00\u6761\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u3002\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u67e5\u8be2\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>\u53ef\u4ee5\u5c06\u5b83\u4eec\u5408\u5e76\u4e3a\u4e00\u6761\u5982\u4e0b\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>\u901a\u8fc7\u4f7f\u7528group by \u5b50\u53e5\uff0c\u6211\u4eec\u53ef\u4ee5\u6309version \u5bf9\u7ed3\u679c\u8fdb\u884c\u5206\u7ec4\uff0c\u4ece\u800c\u8fd4\u56de\u4e24\u884c\uff0c\u5206\u522b\u4e3ajunior \u548csenior \u7684\u8ba1\u6570\u3002\u8fd9\u79cd\u4f18\u5316\u65b9\u5f0f\u53ef\u4ee5\u663e\u7740\u964d\u4f4e\u6570\u636e\u5e93\u7684\u8d1f\u8f7d\u5e76\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002 <\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5c06\u4e09\u6761 MySQL \u67e5\u8be2\u4f18\u5316\u4e3a\u4e00\u6761\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5c06\u4e09\u6761 MySQL \u67e5\u8be2\u4f18\u5316&#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-200815","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200815","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=200815"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200815\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200815"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}