{"id":200333,"date":"2025-05-06T08:03:22","date_gmt":"2025-05-06T00:03:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200333\/"},"modified":"2025-05-06T08:03:22","modified_gmt":"2025-05-06T00:03:22","slug":"mysql-%e4%b8%ad%e5%a6%82%e4%bd%95%e6%9f%a5%e8%af%a2%e7%89%b9%e5%ae%9a-id-%e5%bd%93%e5%a4%a9%e7%9a%84%e6%95%b0%e6%8d%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200333\/","title":{"rendered":"MySQL \u4e2d\u5982\u4f55\u67e5\u8be2\u7279\u5b9a id \u5f53\u5929\u7684\u6570\u636e\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL \u4e2d\u5982\u4f55\u67e5\u8be2\u7279\u5b9a id \u5f53\u5929\u7684\u6570\u636e\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u5bf9\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241102\/1730508511672576dfb5fc3.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5728 mysql \u4e2d\u67e5\u8be2\u5f53\u5929\u7684\u6570\u636e<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u5982\u4f55\u6839\u636e create_time \u5b57\u6bb5\uff08\u65f6\u95f4\u6233\uff09\uff0c\u67e5\u8be2 comment \u8868\u4e2d\uff0cid \u4e3a 21\uff0c\u5f53\u5929\u7684\u6240\u6709\u6570\u636e\uff1f<\/p>\n<p><strong>\u89e3\u7b54\uff1a<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b sql \u8bed\u53e5\uff1a<\/p>\n<pre>select * from \u8868\u540d where to_days(create_time) = to_days(now()) and id = 21;<\/pre>\n<ul>\n<li>to_days() \u51fd\u6570\u5c06\u65f6\u95f4\u6233\u8f6c\u6362\u4e3a\u65e5\u671f\u90e8\u5206\uff0c\u5ffd\u7565\u65f6\u95f4\u90e8\u5206\u3002<\/li>\n<li>to_days(now()) \u8fd4\u56de\u5f53\u524d\u65e5\u671f\u90e8\u5206\u3002<\/li>\n<li>= \u64cd\u4f5c\u7b26\u7528\u4e8e\u6bd4\u8f83\u65e5\u671f\u90e8\u5206\u3002<\/li>\n<li>and \u64cd\u4f5c\u7b26\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u6761\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u8be5\u67e5\u8be2\u5c06\u8fd4\u56de comment \u8868\u4e2d\uff0cid \u4e3a 21\uff0c\u4e14 create_time \u5b57\u6bb5\u7684\u65e5\u671f\u90e8\u5206\u7b49\u4e8e\u5f53\u524d\u65e5\u671f\u7684\u6570\u636e\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aMySQL \u4e2d\u5982\u4f55\u67e5\u8be2\u7279\u5b9a id \u5f53\u5929\u7684\u6570\u636e\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u4e2d\u5982\u4f55\u67e5\u8be2\u7279\u5b9a id&#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-200333","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200333","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=200333"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200333\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}