{"id":882,"date":"2020-09-01T12:32:51","date_gmt":"2020-09-01T04:32:51","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=882"},"modified":"2021-06-23T11:12:45","modified_gmt":"2021-06-23T03:12:45","slug":"gbase-8a%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%a4%e4%b8%aa%e6%97%a5%e6%9c%9f%e6%97%b6%e9%97%b4%e7%9b%b8%e5%b7%ae","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/882","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 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"},"content":{"rendered":"<p>GBase 8a\u6570\u636e\u5e93\u652f\u6301\u8ba1\u7b972\u4e2a\u65e5\u671f\u7684\u5dee\u8ddd\uff0c\u901a\u8fc7timestampdiff\u51fd\u6570\uff0c\u5f97\u5230\u6307\u5b9a\u683c\u5f0f\u7684\u5dee\u8ddd\u7ed3\u679c\uff0c\u5305\u62ec\u5e74\u4efd\u5deeyear,\u6708\u4efd\u5deemonth,\u661f\u671f\u5deeweek,\u5929\u6570\u5deeday,\u5c0f\u65f6\u5deehour,\u5206\u949f\u5deeminute,\u79d2\u6570\u5deesecond,\u6beb\u79d2\u5deemicrosecond\u7b49\u5e38\u89c1\u7684\u5185\u7f6e\u6570\u636e\u7c7b\u578b\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-6a2adbf3e4029\" 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-6a2adbf3e4029\"  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\/882\/#%E7%9B%B8%E5%B7%AE%E5%A4%A9%E6%97%B6%E5%88%86%E7%A7%92%E7%9A%84%E5%AE%8C%E6%95%B4%E6%A0%B7%E4%BE%8B\" >\u76f8\u5dee\u5929\u65f6\u5206\u79d2\u7684\u5b8c\u6574\u6837\u4f8b<\/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\/882\/#2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%A4%A9%E6%95%B0\" >2\u4e2a\u65e5\u671f\u76f8\u5dee\u5929\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/882\/#2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E6%98%9F%E6%9C%9F%E6%95%B0%E9%87%8F\" >2\u4e2a\u65e5\u671f\u76f8\u5dee\u661f\u671f\u6570\u91cf<\/a><\/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\/882\/#2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E6%9C%88%E6%95%B0%E9%87%8F\" >2\u4e2a\u65e5\u671f\u76f8\u5dee\u6708\u6570\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/882\/#2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%B9%B4%E6%95%B0%E9%87%8F\" >2\u4e2a\u65e5\u671f\u76f8\u5dee\u5e74\u6570\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/882\/#2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%B0%8F%E6%97%B6%E6%95%B0%E9%87%8F\" >2\u4e2a\u65e5\u671f\u76f8\u5dee\u5c0f\u65f6\u6570\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbase8.cn\/en\/882\/#2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%88%86%E9%92%9F%E6%95%B0%E9%87%8F\" >2\u4e2a\u65e5\u671f\u76f8\u5dee\u5206\u949f\u6570\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.gbase8.cn\/en\/882\/#2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E7%A7%92%E6%95%B0\" >2\u4e2a\u65e5\u671f\u76f8\u5dee\u79d2\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.gbase8.cn\/en\/882\/#2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%BE%AE%E7%A7%92%E6%95%B0\" >2\u4e2a\u65e5\u671f\u76f8\u5dee\u5fae\u79d2\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.gbase8.cn\/en\/882\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%9B%B8%E5%B7%AE%E5%A4%A9%E6%97%B6%E5%88%86%E7%A7%92%E7%9A%84%E5%AE%8C%E6%95%B4%E6%A0%B7%E4%BE%8B\"><\/span>\u76f8\u5dee\u5929\u65f6\u5206\u79d2\u7684\u5b8c\u6574\u6837\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; set @d1='2021-05-02';set @d2='2021-01-01 12:23:34';\nQuery OK, 0 rows affected (Elapsed: 00:00:00.00)\n\nQuery OK, 0 rows affected (Elapsed: 00:00:00.00)\n\ngbase&gt; select timestampdiff(day,@d2,@d1) day,timestampdiff(hour,@d2,@d1)%24 hour,timestampdiff(minute,@d2,@d1)%60 min,timestampdiff(second,@d2,@d1)%60 second;\n+------+------+------+--------+\n| day  | hour | min  | second |\n+------+------+------+--------+\n|  120 |   11 |   36 |     26 |\n+------+------+------+--------+\n1 row in set (Elapsed: 00:00:00.00)\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%A4%A9%E6%95%B0\"><\/span>2\u4e2a\u65e5\u671f\u76f8\u5dee\u5929\u6570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select now(),timestampdiff(day,'2020-01-01',now());\n+---------------------+---------------------------------------+\n| now()               | timestampdiff(day,'2020-01-01',now()) |\n+---------------------+---------------------------------------+\n| 2020-09-01 12:28:44 |                                   244 |\n+---------------------+---------------------------------------+\n1 row in set (Elapsed: 00:00:00.10)<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E6%98%9F%E6%9C%9F%E6%95%B0%E9%87%8F\"><\/span>2\u4e2a\u65e5\u671f\u76f8\u5dee\u661f\u671f\u6570\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select now(),timestampdiff(week,'2020-01-01',now());\n+---------------------+----------------------------------------+\n| now()               | timestampdiff(week,'2020-01-01',now()) |\n+---------------------+----------------------------------------+\n| 2020-09-01 12:28:52 |                                     34 |\n+---------------------+----------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E6%9C%88%E6%95%B0%E9%87%8F\"><\/span>2\u4e2a\u65e5\u671f\u76f8\u5dee\u6708\u6570\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select now(),timestampdiff(month,'2020-01-01',now());\n+---------------------+-----------------------------------------+\n| now()               | timestampdiff(month,'2020-01-01',now()) |\n+---------------------+-----------------------------------------+\n| 2020-09-01 12:28:57 |                                       8 |\n+---------------------+-----------------------------------------+\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=\"2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%B9%B4%E6%95%B0%E9%87%8F\"><\/span>2\u4e2a\u65e5\u671f\u76f8\u5dee\u5e74\u6570\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select now(),timestampdiff(year,'2020-01-01',now());\n+---------------------+----------------------------------------+\n| now()               | timestampdiff(year,'2020-01-01',now()) |\n+---------------------+----------------------------------------+\n| 2020-09-01 12:29:03 |                                      0 |\n+---------------------+----------------------------------------+\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=\"2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%B0%8F%E6%97%B6%E6%95%B0%E9%87%8F\"><\/span>2\u4e2a\u65e5\u671f\u76f8\u5dee\u5c0f\u65f6\u6570\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select now(),timestampdiff(hour,'2020-01-01',now());\n+---------------------+----------------------------------------+\n| now()               | timestampdiff(hour,'2020-01-01',now()) |\n+---------------------+----------------------------------------+\n| 2020-09-01 12:29:32 |                                   5868 |\n+---------------------+----------------------------------------+\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=\"2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%88%86%E9%92%9F%E6%95%B0%E9%87%8F\"><\/span>2\u4e2a\u65e5\u671f\u76f8\u5dee\u5206\u949f\u6570\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select now(),timestampdiff(minute,'2020-01-01',now());                                                                                                                                                                             +---------------------+------------------------------------------+                                                                                                                                                                        | now()               | timestampdiff(minute,'2020-01-01',now()) |                                                                                                                                                                        +---------------------+------------------------------------------+                                                                                                                                                                        | 2020-09-01 12:29:47 |                                   352109 |                                                                                                                                                                        +---------------------+------------------------------------------+                                                                                                                                                                        1 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=\"2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E7%A7%92%E6%95%B0\"><\/span>2\u4e2a\u65e5\u671f\u76f8\u5dee\u79d2\u6570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select now(),timestampdiff(second,'2020-01-01',now());                                                                                                                                                                             +---------------------+------------------------------------------+                                                                                                                                                                        | now()               | timestampdiff(second,'2020-01-01',now()) |                                                                                                                                                                        +---------------------+------------------------------------------+                                                                                                                                                                        | 2020-09-01 12:29:53 |                                 21126593 |                                                                                                                                                                        +---------------------+------------------------------------------+\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=\"2%E4%B8%AA%E6%97%A5%E6%9C%9F%E7%9B%B8%E5%B7%AE%E5%BE%AE%E7%A7%92%E6%95%B0\"><\/span>2\u4e2a\u65e5\u671f\u76f8\u5dee\u5fae\u79d2\u6570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; select now(),timestampdiff(frac_second,'2020-01-01',now());\n+---------------------+-----------------------------------------------+\n| now()               | timestampdiff(frac_second,'2020-01-01',now()) |\n+---------------------+-----------------------------------------------+\n| 2020-09-01 12:30:02 |                                21126602000000 |\n+---------------------+-----------------------------------------------+\n1 row in set, 1 warning (Elapsed: 00:00:00.00)\n\ngbase&gt; show warnings;\n+---------+------+---------------------------------------------------------------------------------------------------------+\n| Level   | Code | Message                                                                                                 |\n+---------+------+---------------------------------------------------------------------------------------------------------+\n| Warning | 1287 | The syntax 'FRAC_SECOND' is deprecated and will be removed in GBase 6.2. Please use MICROSECOND instead |\n+---------+------+---------------------------------------------------------------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase&gt; select now(),timestampdiff(microsecond,'2020-01-01',now());\n+---------------------+-----------------------------------------------+\n| now()               | timestampdiff(microsecond,'2020-01-01',now()) |\n+---------------------+-----------------------------------------------+\n| 2020-09-01 12:30:25 |                                21126625000000 |\n+---------------------+-----------------------------------------------+\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=\"%E5%8F%82%E8%80%83\"><\/span>\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"http:\/\/www.gbase8.cn\/en\/?p=885\">GBase 8a\u6570\u636e\u5e93\u4e24\u4e2a\u65f6\u95f4\u76f8\u5dee\u7684\u79d2\u6570<\/a><\/p>\n\n\n\n<p>\u5176\u5b83\u65e5\u671f\u51fd\u6570\u8bf7\u53c2\u8003<\/p>\n\n\n\n<p><a href=\"http:\/\/www.gbase8.cn\/en\/?tag=%e6%97%a5%e6%9c%9f\">http:\/\/www.gbase8.cn\/?tag=%e6%97%a5%e6%9c%9f<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u6570\u636e\u5e93\u652f\u6301\u8ba1\u7b972\u4e2a\u65e5\u671f\u7684\u5dee\u8ddd\uff0c\u901a\u8fc7timestampdiff\u51fd\u6570\uff0c\u5f97\u5230\u6307\u5b9a\u683c\u5f0f\u7684\u5dee\u8ddd\u7ed3\u679c\uff0c\u5305\u62ecyear,month,week,day,hour,minute,second,microsecond\u7b49\u5e38\u89c1\u7684\u5185\u7f6e\u6570\u636e\u7c7b\u578b\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-882","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\/882","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=882"}],"version-history":[{"count":7,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/882\/revisions"}],"predecessor-version":[{"id":6535,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/882\/revisions\/6535"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}