PHP&;MySQL-基于点击次数和时间的流行链接


PHP & MySQL - Popular Links Based on Clicks and Time

目前我正在按总点击量对热门链接进行排序。但我也有每次访问的时间戳。我如何不仅根据总点击量而且根据使用时间对链接进行排序,这样只有最相关的链接才会显示在顶部?

table link_clicks
-----------------
link_id
link_time

GROUP BY link_id,只需在WHERE子句中使用日期约束:

SELECT link_id, COUNT(*) AS num_clicks
FROM link_clicks
WHERE link_time >= '2011-05-20'
GROUP BY link_id
ORDER BY num_clicks DESC
ORDER BY total_clicks, link_time DESC;