SELECT wp_id, COUNT( 1 ) FROM wp_comment --- 查询wp_id,count(1)是wp_id的数量
GROUP BY wp_id --- 用wp_id分组
ORDER BY COUNT( 1 ) DESC LIMIT 0 , 30 ---用count(1)排序,降序,分页30
SELECT wp_id, COUNT( 1 ) FROM wp_comment --- 查询wp_id,count(1)是wp_id的数量
GROUP BY wp_id --- 用wp_id分组