{"id":26177,"date":"2024-11-24T13:13:25","date_gmt":"2024-11-24T05:13:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26177\/"},"modified":"2024-11-24T13:13:25","modified_gmt":"2024-11-24T05:13:25","slug":"%e7%99%be%e4%b8%87%e6%9d%a1%e6%95%b0%e6%8d%ae%e6%9f%a5%e8%af%a2%e6%97%a5%e6%9c%9f%e6%9d%a1%e4%bb%b6%e6%85%a2%ef%bc%8c%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26177\/","title":{"rendered":"\u767e\u4e07\u6761\u6570\u636e\u67e5\u8be2\u65e5\u671f\u6761\u4ef6\u6162\uff0c\u5982\u4f55\u4f18\u5316\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173085372414892.jpg\" class=\"aligncenter\" title=\"\u767e\u4e07\u6761\u6570\u636e\u67e5\u8be2\u65e5\u671f\u6761\u4ef6\u6162\uff0c\u5982\u4f55\u4f18\u5316\uff1f\u63d2\u56fe\" alt=\"\u767e\u4e07\u6761\u6570\u636e\u67e5\u8be2\u65e5\u671f\u6761\u4ef6\u6162\uff0c\u5982\u4f55\u4f18\u5316\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u89e3\u51b3\u767e\u4e07\u6761\u6570\u636e\u67e5\u8be2\u65e5\u671f\u6761\u4ef6\u6162\u7684\u95ee\u9898<\/strong><\/p>\n<p><strong>\u95ee\u9898\u63cf\u8ff0\uff1a<\/strong><\/p>\n<p>\u8868\u4e2d\u6709 100 \u4e07\u6761\u6570\u636e\uff0c\u9700\u8981\u67e5\u8be2\u5176\u4e2d scantime \u4e3a\u5f53\u5929\u7684\u6570\u636e\u3002\u4f46\u4f7f\u7528 date_format(scantime, &#8216;%y%m%d&#8217;) \u6216\u8005 between \u8fd0\u7b97\u7b26\u67e5\u8be2\u90fd\u5f88\u6162\uff0c\u5206\u522b\u8017\u65f6 16 \u79d2\u548c 20 \u79d2\u3002<\/p>\n<p><strong>\u89e3\u7b54\uff1a<\/strong><\/p>\n<p>\u63d0\u4f9b\u7684 sql \u8bed\u53e5\u786e\u5b9e\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\u3002<\/p>\n<p><strong>\u539f\u56e0\u5206\u6790\uff1a<\/strong><\/p>\n<ol>\n<li> <strong>\u7d22\u5f15\u5931\u6548\uff1a<\/strong>scantime \u5b57\u6bb5\u5df2\u521b\u5efa\u7d22\u5f15\uff0c\u4f46\u5982\u679c\u7d22\u5f15\u4e0d\u9002\u7528\u4e8e\u67e5\u8be2\u6761\u4ef6\uff0c\u5219\u4e0d\u4f1a\u751f\u6548\u3002\u4f8b\u5982\uff0c\u76f4\u63a5\u5bf9 date_format(scantime, &#8216;%y%m%d&#8217;) \u51fd\u6570\u8fdb\u884c\u7d22\u5f15\u4f1a\u5bfc\u81f4\u7d22\u5f15\u5931\u6548\u3002<\/li>\n<li> <strong>\u672a\u4f7f\u7528\u6b63\u786e\u7684\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u8986\u76d6\u7387\u6307\u7684\u662f\u7d22\u5f15\u662f\u5426\u5305\u542b\u67e5\u8be2\u6240\u9700\u7684\u5168\u90e8\u5217\u3002\u5982\u679c\u7d22\u5f15\u4e0d\u8986\u76d6\u6240\u9700\u5217\uff0c\u5219  \u4ecd\u9700\u8981\u8bbf\u95ee\u8868\u6570\u636e\uff0c\u8fd9\u4f1a\u964d\u4f4e\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n<\/ol>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<ol>\n<li> <strong>\u91cd\u5199\u67e5\u8be2\uff1a<\/strong>\u5c06 date_format(scantime, &#8216;%y%m%d&#8217;) \u51fd\u6570\u4ece where \u6761\u4ef6\u4e2d\u79fb\u9664\uff0c\u6539\u4e3a\u76f4\u63a5\u4f7f\u7528 scantime \u5b57\u6bb5\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<pre>select * from bns_pm_scanhistory_month where date(scantime) = '2023-02-06'<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u8986\u76d6\u7d22\u5f15\uff1a<\/strong>\u521b\u5efa\u4e00\u4e2a\u8986\u76d6\u7d22\u5f15\uff0c\u5305\u62ec scantime \u548c\u6240\u9700\u7684\u6240\u6709\u5176\u4ed6\u5217\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<pre>CREATE INDEX idx_scantime_date ON bns_pm_scanhistory_month (ScanTime, WorkUser_BarCode, Site_Code, ...)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u907f\u514d between \u64cd\u4f5c\u7b26\uff1a<\/strong>between \u64cd\u4f5c\u7b26\u7528\u4e8e\u67e5\u627e\u8303\u56f4\u5185\u7684\u503c\uff0c\u4f46\u5b83\u4f1a\u5f3a\u5236 mysql \u8fdb\u884c\u4e24\u6b21\u5168\u8868\u626b\u63cf\u3002\u5efa\u8bae\u4f7f\u7528\u524d\u9762\u63d0\u5230\u7684 date(scantime) = &#8216;2023-02-06&#8217; \u8fd9\u6837\u7684\u8303\u56f4\u67e5\u8be2\u66ff\u4ee3 between\u3002<\/li>\n<li><strong>\u5176\u4ed6\u8003\u8651\u56e0\u7d20\uff1a<\/strong><\/li>\n<\/ol>\n<ul>\n<li>\u786e\u4fdd\u8868\u4f7f\u7528 innodb \u5f15\u64ce\uff0c\u5b83\u66f4\u9002\u5408\u5904\u7406\u5927\u6570\u636e\u91cf\u3002<\/li>\n<li>\u4f18\u5316\u670d\u52a1\u5668\u786c\u4ef6\uff0c\u4f8b\u5982\u589e\u52a0\u5185\u5b58\u6216 cpu \u6570\u91cf\u3002<\/li>\n<li>\u8003\u8651\u5c06\u8868\u5206\u533a\uff0c\u4ee5\u4fbf\u80fd\u591f\u5355\u72ec\u67e5\u8be2\u6bcf\u4e2a\u5206\u533a\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u767e\u4e07\u6761\u6570\u636e\u67e5\u8be2\u65e5\u671f\u6761\u4ef6\u6162\uff0c\u5982\u4f55\u4f18\u5316\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":"<p>\u89e3\u51b3\u767e\u4e07\u6761\u6570\u636e\u67e5\u8be2\u65e5\u671f\u6761\u4ef6\u6162\u7684\u95ee\u9898 \u95ee\u9898\u63cf\u8ff0\uff1a \u8868\u4e2d\u6709 100 \u4e07\u6761\u6570\u636e\uff0c\u9700\u8981\u67e5\u8be2\u5176\u4e2d scantime \u4e3a\u5f53\u5929\u7684\u6570\u636e\u3002\u4f46\u4f7f\u7528 date_format(scantime, &#8216;%y%m%d&#8217;) \u6216\u8005 between \u8fd0\u7b97\u7b26\u67e5\u8be2\u90fd\u5f88\u6162\uff0c\u5206\u522b\u8017\u65f6 16 \u79d2\u548c 20 \u79d2\u3002 \u89e3\u7b54\uff1a \u63d0\u4f9b\u7684 sql \u8bed\u53e5\u786e\u5b9e\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\u3002 \u539f\u56e0\u5206\u6790\uff1a \u7d22\u5f15\u5931\u6548\uff1ascantime \u5b57\u6bb5\u5df2\u521b\u5efa\u7d22\u5f15\uff0c\u4f46\u5982\u679c\u7d22\u5f15\u4e0d\u9002\u7528\u4e8e\u67e5\u8be2\u6761\u4ef6\uff0c\u5219\u4e0d\u4f1a\u751f\u6548\u3002\u4f8b\u5982\uff0c\u76f4\u63a5\u5bf9 date_format(scantime, &#8216;%y%m%d&#8217;) \u51fd\u6570\u8fdb\u884c\u7d22\u5f15\u4f1a\u5bfc\u81f4\u7d22\u5f15\u5931\u6548\u3002 \u672a\u4f7f\u7528\u6b63\u786e\u7684\u7d22\u5f15\uff1a\u7d22\u5f15\u8986\u76d6\u7387\u6307\u7684\u662f\u7d22\u5f15\u662f\u5426\u5305\u542b\u67e5\u8be2\u6240\u9700\u7684\u5168\u90e8\u5217\u3002\u5982\u679c\u7d22\u5f15\u4e0d\u8986\u76d6\u6240\u9700\u5217\uff0c\u5219 \u4ecd\u9700\u8981\u8bbf\u95ee\u8868\u6570\u636e\uff0c\u8fd9\u4f1a\u964d\u4f4e\u67e5\u8be2\u901f\u5ea6\u3002 \u89e3\u51b3\u65b9\u6848\uff1a \u91cd\u5199\u67e5\u8be2\uff1a\u5c06 date_format(scantime, &#8216;%y%m%d&#8217;) \u51fd\u6570\u4ece where \u6761\u4ef6\u4e2d\u79fb\u9664\uff0c\u6539\u4e3a\u76f4\u63a5\u4f7f\u7528 scantime \u5b57\u6bb5\u3002\u4f8b\u5982\uff1a select * from bns_pm_scanhistory_month where date(scantime) = &#8216;2023-02-06&#8217; \u767b\u5f55\u540e\u590d\u5236 \u8986\u76d6\u7d22\u5f15\uff1a\u521b\u5efa\u4e00\u4e2a\u8986\u76d6\u7d22\u5f15\uff0c\u5305\u62ec scantime \u548c\u6240\u9700\u7684\u6240\u6709\u5176\u4ed6\u5217\u3002\u4f8b\u5982\uff1a CREATE INDEX idx_scantime_date ON bns_pm_scanhistory_month (ScanTime, [&hellip;]<\/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-26177","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26177","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=26177"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26177\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=26177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=26177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=26177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}