我敢肯定,下面的查询用来为我工作在普雷斯托:现在普雷斯托 - 静态日期和时间戳在where子句
select segment, sum(count)
from modeling_trends
where segment='2557172' and date = '2016-06-23' and count_time between '2016-06-23 14:00:00.000' and '2016-06-23 14:59:59.000';
group by 1;
当我运行它(在普雷斯托0.147对EMR)我得到一个试图分配VARCHAR日期/时间戳记错误..
我可以使它工作使用:
select segment, sum(count)
from modeling_trends
where segment='2557172' and date = cast('2016-06-23' as date) and count_time between cast('2016-06-23 14:00:00.000' as TIMESTAMP) and cast('2016-06-23 14:59:59.000' as TIMESTAMP)
group by segment;
但感觉脏兮兮 有没有更好的方式来做到这一点?
没了不行..现在它解释日期作为整数( '='不能应用于日期,整数) –