{"id":7992,"date":"2021-09-16T08:44:17","date_gmt":"2021-09-16T00:44:17","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=7992"},"modified":"2021-09-18T11:22:01","modified_gmt":"2021-09-18T03:22:01","slug":"gbase-8a%e9%80%9a%e8%bf%87%e7%94%9f%e6%97%a5%e8%ae%a1%e7%ae%97%e5%b9%b4%e9%be%84%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/7992","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u901a\u8fc7\u751f\u65e5\u8ba1\u7b97\u5e74\u9f84\u7684\u65b9\u6cd5"},"content":{"rendered":"<p>GBase 8a\u63d0\u4f9b\u4e86\u5404\u79cd\u65e5\u671f\u51fd\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7timestampdiff\u51fd\u6570\u8ba1\u7b97\u51fa2\u4e2a\u65e5\u671f\u76f8\u5dee\u7684\u5e74\u6570\uff0c\u4ece\u751f\u65e5\u548c\u6307\u5b9a\u65e5\u671f\u7684\u5dee\u8ddd\u8ba1\u7b97\u51fa\u5e74\u9f84\u3002\u672c\u6587\u5305\u62ec\u4e86\u8db3\u5e74\u8ba1\u7b97\u7684\u5e74\u9f84\u548c\u6309\u6708\u56db\u820d\u4e94\u5165\u7684\u5e74\u9f84\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-6a2b0bac9902c\" 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-6a2b0bac9902c\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/7992\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/7992\/#%E5%8F%AA%E8%AE%A1%E7%AE%97%E8%B6%B3%E5%B9%B4%E7%9A%84%E5%B9%B4%E9%BE%84\" >\u53ea\u8ba1\u7b97\u8db3\u5e74\u7684\u5e74\u9f84<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/7992\/#%E6%97%B6%E5%88%86%E7%A7%92%E5%BD%B1%E5%93%8D%E7%BB%93%E6%9E%9C\" >\u65f6\u5206\u79d2\u5f71\u54cd\u7ed3\u679c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/7992\/#%E7%B2%BE%E7%A1%AE%E5%88%B0%E6%9C%88%E7%9A%84%E5%9B%9B%E8%88%8D%E4%BA%94%E5%85%A5%E5%B9%B4%E9%BE%84\" >\u7cbe\u786e\u5230\u6708\u7684\u56db\u820d\u4e94\u5165\u5e74\u9f84<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/7992\/#%E6%8B%BF%E5%88%B0%E6%9C%88%E4%BB%BD\" >\u62ff\u5230\u6708\u4efd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/7992\/#%E6%9C%88%E4%BB%BD%E9%99%A4%E4%BB%A512%E5%BE%97%E5%88%B0%E5%B9%B4%E4%BB%BD\" >\u6708\u4efd\u9664\u4ee512\u5f97\u5230\u5e74\u4efd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbase8.cn\/en\/7992\/#%E5%9B%9B%E8%88%8D%E4%BA%94%E5%85%A5ROUND%E5%BE%97%E5%88%B0%E5%B9%B4%E9%BE%84\" >\u56db\u820d\u4e94\u5165ROUND\u5f97\u5230\u5e74\u9f84<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83\"><\/span>\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.gbase8.cn\/en\/882\/\">GBase 8a\u6570\u636e\u5e93timestampdiff\u51fd\u6570\u8ba1\u7b97\u4e24\u4e2a\u65e5\u671f\u76f8\u5dee\u7684\u5e74\u6708\u65e5\u661f\u671f\u5c0f\u65f6\u5206\u79d2\u6beb\u79d2\u7b49<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%AA%E8%AE%A1%E7%AE%97%E8%B6%B3%E5%B9%B4%E7%9A%84%E5%B9%B4%E9%BE%84\"><\/span>\u53ea\u8ba1\u7b97\u8db3\u5e74\u7684\u5e74\u9f84<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5982\u4e0b\u6837\u4f8b\u4e2d\u7684\u65e5\u671f\u53ef\u4ee5\u6539\u6210now()\u8868\u793a\u5f53\u524d\u65e5\u671f\u3002\u4ece\u4f8b\u5b50\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7b2c\u4e00\u4e2a\u662f10\u5e74\u591a1\u5929\uff0c\u8bb010\u5e74\u3002<\/li><li>\u7b2c\u4e8c\u4e2a\u662f10\u5e74\u6574<\/li><li>\u7b2c\u4e09\u4e2a\u662f\u5dee1\u592910\u5e74\uff0c\u8ba19\u5e74\u3002<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select birthday,TIMESTAMPDIFF(year,birthday,'2021-12-12') age from a1;\n+------------+------+\n| birthday   | age  |\n+------------+------+\n| 2011-11-11 |   10 |\n| 2011-12-12 |   10 |\n| 2011-12-13 |    9 |\n+------------+------+\n3 rows in set (Elapsed: 00:00:00.01)\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%97%B6%E5%88%86%E7%A7%92%E5%BD%B1%E5%93%8D%E7%BB%93%E6%9E%9C\"><\/span>\u65f6\u5206\u79d2\u5f71\u54cd\u7ed3\u679c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u8fbe\u523010\u5e74\u540e\uff0c\u5982\u679c\u518d\u591a1\u79d2\uff0c\u5c31\u53d8\u62109\u5e74\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\r\rgbase> select TIMESTAMPDIFF(year,'2011-12-12','2021-12-12');\r\n+-----------------------------------------------+\r\n| TIMESTAMPDIFF(year,'2011-12-12','2021-12-12') |\r\n+-----------------------------------------------+\r\n|                                            10 |\r\n+-----------------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select TIMESTAMPDIFF(year,'2011-12-12 00:00:01','2021-12-12');\r\n+--------------------------------------------------------+\r\n| TIMESTAMPDIFF(year,'2011-12-12 00:00:01','2021-12-12') |\r\n+--------------------------------------------------------+\r\n|                                                      9 |\r\n+--------------------------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\ngbase> select TIMESTAMPDIFF(year,'2011-12-12 00:00:01','2021-12-12 00:00:01');\r\n+-----------------------------------------------------------------+\r\n| TIMESTAMPDIFF(year,'2011-12-12 00:00:01','2021-12-12 00:00:01') |\r\n+-----------------------------------------------------------------+\r\n|                                                              10 |\r\n+-----------------------------------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%B2%BE%E7%A1%AE%E5%88%B0%E6%9C%88%E7%9A%84%E5%9B%9B%E8%88%8D%E4%BA%94%E5%85%A5%E5%B9%B4%E9%BE%84\"><\/span>\u7cbe\u786e\u5230\u6708\u7684\u56db\u820d\u4e94\u5165\u5e74\u9f84<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>0-5\u4e2a\u6708\u7684\u5ffd\u7565\uff0c6-11\u4e2a\u6708\u7684\u7b971\u5e74\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%8B%BF%E5%88%B0%E6%9C%88%E4%BB%BD\"><\/span>\u62ff\u5230\u6708\u4efd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select birthday,TIMESTAMPDIFF(month,birthday,'2021-12-12') age from a1;\n+------------+------+\n| birthday   | age  |\n+------------+------+\n| 2011-11-11 |  121 |\n| 2011-12-12 |  120 |\n| 2011-12-13 |  119 |\n+------------+------+\n3 rows in set (Elapsed: 00:00:00.01)\n<\/code><\/pre>\n\n\n\n<p>\u540c\u6837\u7684\uff0c\u5373\u4f7f\u53ea\u5c11\u4e00\u5929\uff0c\u4e5f\u5c111\u4e2a\u6708\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select TIMESTAMPDIFF(month,'2011-06-11','2021-12-12');\n+------------------------------------------------+\n| TIMESTAMPDIFF(month,'2011-06-11','2021-12-12') |\n+------------------------------------------------+\n|                                            126 |\n+------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.01)\n\ngbase&gt; select TIMESTAMPDIFF(month,'2011-06-12','2021-12-12');\n+------------------------------------------------+\n| TIMESTAMPDIFF(month,'2011-06-12','2021-12-12') |\n+------------------------------------------------+\n|                                            126 |\n+------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase&gt; select TIMESTAMPDIFF(month,'2011-06-13','2021-12-12');\n+------------------------------------------------+\n| TIMESTAMPDIFF(month,'2011-06-13','2021-12-12') |\n+------------------------------------------------+\n|                                            125 |\n+------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9C%88%E4%BB%BD%E9%99%A4%E4%BB%A512%E5%BE%97%E5%88%B0%E5%B9%B4%E4%BB%BD\"><\/span>\u6708\u4efd\u9664\u4ee512\u5f97\u5230\u5e74\u4efd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select birthday,TIMESTAMPDIFF(month,birthday,'2021-12-12')\/12 age from a1;\n+------------+---------+\n| birthday   | age     |\n+------------+---------+\n| 2011-11-11 | 10.0833 |\n| 2011-12-12 | 10.0000 |\n| 2011-12-13 |  9.9167 |\n+------------+---------+\n3 rows in set (Elapsed: 00:00:00.01)\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%9B%9B%E8%88%8D%E4%BA%94%E5%85%A5ROUND%E5%BE%97%E5%88%B0%E5%B9%B4%E9%BE%84\"><\/span>\u56db\u820d\u4e94\u5165ROUND\u5f97\u5230\u5e74\u9f84<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6839\u636e\u8fd9\u4e2a\u89c4\u5219\uff0c\u90fd\u662f10\u5c81\u3002\u4e5f\u5c31\u662f\u8d85\u8fc79\u5c816\u4e2a\u6708\u7684(\u6bd4\u59829\u5c8111\u4e2a\u6708)\uff0c\u4e5f\u8ba1\u7b97\u4e3a10\u5c81\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select birthday,round(TIMESTAMPDIFF(month,birthday,'2021-12-12')\/12) age from a1;\n+------------+------+\n| birthday   | age  |\n+------------+------+\n| 2011-11-11 |   10 |\n| 2011-12-12 |   10 |\n| 2011-12-13 |   10 |\n+------------+------+\n3 rows in set (Elapsed: 00:00:00.01)<\/code><\/pre>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u63d0\u4f9b\u4e86\u5404\u79cd\u65e5\u671f\u51fd\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7timestampdiff\u51fd\u6570\u8ba1\u7b97\u51fa2\u4e2a\u65e5\u671f\u76f8\u5dee\u7684\u5e74\u6570\uff0c\u4ece\u751f\u65e5\u548c\u6307\u5b9a\u65e5\u671f\u7684\u5dee\u8ddd\u8ba1\u7b97\u51fa\u5e74\u9f84\u3002\u672c\u6587\u5305\u62ec\u4e86\u8db3\u5e74\u8ba1\u7b97\u7684\u5e74\u9f84\u548c\u6309\u6708\u56db\u820d\u4e94\u5165\u7684\u5e74\u9f84\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-7992","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7992","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=7992"}],"version-history":[{"count":16,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7992\/revisions"}],"predecessor-version":[{"id":8028,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7992\/revisions\/8028"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=7992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=7992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=7992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}