php - 如何在查询中以天、小时、分钟、秒为单位拆分剩余时间

Question

下面是我的表结构

现在我需要一个查询，我可以在其中显示该事件的天数、小时数、分钟数、秒数。

我用过这个查询

select title,`date`,subject ,TIMESTAMPDIFF(DAY, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'),'2013-05-25 12:00:00')  as dayleft ,TIMESTAMPDIFF(HOUR, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'),'2013-05-25 12:00:00')  as hourleft from jos_holidays where `date` > CONVERT_TZ(NOW(),@@session.time_zone, '+05:30')

上面的结果是我

但我需要获得准确的剩余时间，包括天、小时、分钟和秒，并将其显示在单独的列中。我可以在查询中实现吗？虽然这可以在 PHP 中实现。

查询中的日期 "2013-05-25 12:00:00" 值也是硬编码的。也可以让它变得动态。

谢谢

Answer 1

查询:

SQLFIDDLEExample

SELECT title,
       `date`,
       subject ,
       TIMESTAMPDIFF(DAY, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'), `date`) AS dayleft,
       TIMESTAMPDIFF(HOUR, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'), `date`)
       - TIMESTAMPDIFF(DAY, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'), `date`)*24 AS hourleft,
       TIMESTAMPDIFF(MINUTE, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'),  `date`) -
       TIMESTAMPDIFF(HOUR, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'), `date`)* 60 AS minuteleft,
       TIMESTAMPDIFF(SECOND, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'), `date`)- 
       TIMESTAMPDIFF(MINUTE, CONVERT_TZ(NOW(),@@session.time_zone, '+05:30'),  `date`)*60 AS secondleft
FROM jos_holidays
WHERE `date` > CONVERT_TZ(NOW(),@@session.time_zone, '+05:30')