{"id":7455,"date":"2024-11-14T09:57:52","date_gmt":"2024-11-14T01:57:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7455\/"},"modified":"2024-11-14T09:57:52","modified_gmt":"2024-11-14T01:57:52","slug":"%e5%a6%82%e4%bd%95%e9%ab%98%e6%95%88%e6%9f%a5%e8%af%a2%e7%99%be%e4%b8%87%e7%ba%a7%e6%95%b0%e6%8d%ae%e4%b8%ad%e7%9a%84%e4%bb%8a%e6%97%a5%e6%95%b0%e6%8d%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7455\/","title":{"rendered":"\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u767e\u4e07\u7ea7\u6570\u636e\u4e2d\u7684\u4eca\u65e5\u6570\u636e\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173087101180709.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u767e\u4e07\u7ea7\u6570\u636e\u4e2d\u7684\u4eca\u65e5\u6570\u636e\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u767e\u4e07\u7ea7\u6570\u636e\u4e2d\u7684\u4eca\u65e5\u6570\u636e\uff1f\u63d2\u56fe\" \/><\/p>\n<p>\u67e5\u8be2\u767e\u4e07\u7ea7\u6570\u636e\u4e2d\u4eca\u5929\u7684\u6570\u636e\uff0c<strong>\u4f18\u5316\u65b9\u6848\u5982\u4e0b\uff1a<\/strong><\/p>\n<p><strong>1. \u7d22\u5f15\u4f18\u5316<\/strong><\/p>\n<p>\u786e\u4fdd scantime \u5217\u4e0a\u6709\u5408\u9002\u7684\u7d22\u5f15\uff0c\u5982\uff1a<\/p>\n<pre>create index idx_scantime on bns_pm_scanhistory_month (scantime)<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. \u4f7f\u7528\u5206\u533a\u8868<\/strong><\/p>\n<p>\u5982\u679c\u6570\u636e\u91cf\u975e\u5e38\u5927\uff0c\u53ef\u4ee5\u8003\u8651\u5c06\u8868\u5206\u533a\uff0c\u6309\u65f6\u95f4\u8303\u56f4\u5206\u533a\uff0c\u8fd9\u6837\u67e5\u8be2\u65f6\u53ea\u626b\u63cf\u9700\u8981\u7684\u6570\u636e\u5206\u533a\u3002<\/p>\n<p><strong>3. \u4f18\u5316\u67e5\u8be2\u8bed\u53e5<\/strong><\/p>\n<p>\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u4f18\u5316\u540e\u7684\u67e5\u8be2\u8bed\u53e5\uff1a<\/p>\n<pre>SELECT  * \nFROM bns_pm_scanhistory_month \nWHERE DATE(ScanTime) = CURDATE()<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>4. \u68c0\u67e5\u5176\u4ed6\u6f5c\u5728\u95ee\u9898<\/strong><\/p>\n<p>\u786e\u4fdd\u6570\u636e\u5e93\u914d\u7f6e\u6b63\u786e\uff0c\u5982\uff1a<\/p>\n<ul>\n<li>\u7d22\u5f15\u5931\u6548<\/li>\n<li>\u7f13\u51b2\u6c60\u5927\u5c0f\u4e0d\u8db3<\/li>\n<li>\u8fde\u63a5\u6570\u8fc7\u591a<\/li>\n<li>\u8868\u4e0d\u662f innodb \u5f15\u64ce<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u767e\u4e07\u7ea7\u6570\u636e\u4e2d\u7684\u4eca\u65e5\u6570\u636e\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>\u67e5\u8be2\u767e\u4e07\u7ea7\u6570\u636e\u4e2d\u4eca\u5929\u7684\u6570\u636e\uff0c\u4f18\u5316\u65b9\u6848\u5982\u4e0b\uff1a 1. \u7d22\u5f15\u4f18\u5316 \u786e\u4fdd scantime \u5217\u4e0a\u6709\u5408\u9002\u7684\u7d22\u5f15\uff0c\u5982\uff1a create index idx_scantime on bns_pm_scanhistory_month (scantime) \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u5206\u533a\u8868 \u5982\u679c\u6570\u636e\u91cf\u975e\u5e38\u5927\uff0c\u53ef\u4ee5\u8003\u8651\u5c06\u8868\u5206\u533a\uff0c\u6309\u65f6\u95f4\u8303\u56f4\u5206\u533a\uff0c\u8fd9\u6837\u67e5\u8be2\u65f6\u53ea\u626b\u63cf\u9700\u8981\u7684\u6570\u636e\u5206\u533a\u3002 3. \u4f18\u5316\u67e5\u8be2\u8bed\u53e5 \u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u4f18\u5316\u540e\u7684\u67e5\u8be2\u8bed\u53e5\uff1a SELECT * FROM bns_pm_scanhistory_month WHERE DATE(ScanTime) = CURDATE() \u767b\u5f55\u540e\u590d\u5236 4. \u68c0\u67e5\u5176\u4ed6\u6f5c\u5728\u95ee\u9898 \u786e\u4fdd\u6570\u636e\u5e93\u914d\u7f6e\u6b63\u786e\uff0c\u5982\uff1a \u7d22\u5f15\u5931\u6548 \u7f13\u51b2\u6c60\u5927\u5c0f\u4e0d\u8db3 \u8fde\u63a5\u6570\u8fc7\u591a \u8868\u4e0d\u662f innodb \u5f15\u64ce \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u767e\u4e07\u7ea7\u6570\u636e\u4e2d\u7684\u4eca\u65e5\u6570\u636e\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-7455","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7455","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=7455"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7455\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}