{"id":928,"date":"2020-09-03T16:10:22","date_gmt":"2020-09-03T08:10:22","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=928"},"modified":"2020-09-05T07:18:08","modified_gmt":"2020-09-04T23:18:08","slug":"gbase-8a%e6%95%b0%e6%8d%ae%e5%ba%93%e5%87%bd%e6%95%b0%e4%bb%8e%e6%97%a5%e6%9c%9f%e8%bd%ac%e4%b8%ba%e5%a4%a9-to_days%e5%92%8c%e5%8f%8d%e5%90%91%e4%bb%8e%e5%a4%a9%e8%bd%ac%e6%88%90%e6%97%a5%e6%9c%9ffrom","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/928","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u6570\u636e\u5e93\u51fd\u6570\u4ece\u65e5\u671f\u8f6c\u4e3a\u5929 to_days\u548c\u53cd\u5411\u4ece\u5929\u8f6c\u6210\u65e5\u671ffrom_days"},"content":{"rendered":"<p>GBase8a \u6570\u636e\u5e93\u652f\u6301\u4ece\u6307\u5b9a\u7684\u65e5\u671f\uff0c\u901a\u8fc7tp_days\u51fd\u6570\u8f6c\u5316\u4e3a\u4ece0\u5e740\u67080\u65e5\u5f00\u59cb\u7684\u7edd\u5bf9\u7684\u5929\u6570\uff0c\u4ee5\u53ca\u8be6\u5355\u7684\u64e6\u4f5c\uff0c\u4ece\u5929\u6570\u751f\u6210\u65e5\u671f\u7684from_days\u51fd\u6570\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2af4c5dda1e\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2af4c5dda1e\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/928\/#%E5%87%BD%E6%95%B0\" >Function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/928\/#%E6%A0%B7%E4%BE%8B\" >\u6837\u4f8b<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%87%BD%E6%95%B0\"><\/span>Function<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>from_days(N)<br>N \u4ece0\u5e740\u67080\u65e5\u5f00\u59cb\u7684\u5929\u6570\u3002\u56e0\u4e3a\u6ca1\u67090\u5e74\uff0c\u6240\u4ee5\u4ece366\u5f00\u59cb\u6709\u6548<\/p>\n\n\n\n<p>to_days(date)<br>date \u65e5\u671f\uff0c\u6700\u5c0f\u662f01-01-01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A0%B7%E4%BE%8B\"><\/span>\u6837\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\ngbase> select from_days(366);\n+----------------+\n| from_days(366) |\n+----------------+\n| 0001-01-01     |\n+----------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase> select from_days(366);\n+----------------+\n| from_days(366) |\n+----------------+\n| 0001-01-01     |\n+----------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase> select from_days(365);\n+----------------+\n| from_days(365) |\n+----------------+\n| NULL           |\n+----------------+\n1 row in set (Elapsed: 00:00:00.00)\n\n\ngbase> select to_days('2020-01-01');\n+-----------------------+\n| to_days('2020-01-01') |\n+-----------------------+\n|                737790 |\n+-----------------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase> select from_days(737790);\n+-------------------+\n| from_days(737790) |\n+-------------------+\n| 2020-01-01        |\n+-------------------+\n1 row in set (Elapsed: 00:00:00.00)\n<\/code><\/pre>\n\n\n\n<p>\u5176\u5b83\u51fd\u6570\u8bf7\u67e5\u770b<\/p>\n\n\n\n<p><a href=\"http:\/\/www.gbase8.cn\/en\/?tag=%e5%87%bd%e6%95%b0\">Function<\/a><\/p>\n\n\n\n<p>\u4ecd\u6709\u7591\u95ee\uff0c\u8bf7\u8bbf\u95ee\u5b98\u65b9\u8bba\u575b  <a class=\"\" href=\"http:\/\/www.gbase8a.com\/\">\u5b98\u65b9\u8bba\u575b<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase8a \u652f\u6301\u4ece\u6307\u5b9a\u7684\u65e5\u671f\uff0c\u901a\u8fc7tp_days\u51fd\u6570\u8f6c\u5316\u4e3a\u4ece0\u5e740\u67080\u65e5\u5f00\u59cb\u7684\u7edd\u5bf9\u7684\u5929\u6570\uff0c\u4ee5\u53ca\u8be6\u5355\u7684\u64e6\u4f5c\uff0c\u4ece\u5929\u6570\u751f\u6210\u65e5\u671f\u7684from_days\u51fd\u6570\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[36,67],"class_list":["post-928","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-36","tag-67"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/928","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=928"}],"version-history":[{"count":3,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/928\/revisions"}],"predecessor-version":[{"id":950,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/928\/revisions\/950"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}