MySQL：选择最短日期和最长时间

Question

anybody know how to select in mysql min date, but with max hour of day , for example: I have a set of dates:

[2015-01-02 00:00:00, 2015-01-03 09:00:00, 2015-01-02 19:00:00, 2015-02-01 14:00:00] 

and i need to get 2015-01-02 19:00:00

Answer 1

SELECT MAX(myColumn) FROM myTable WHERE myColumn < (
  SELECT DATE(MIN(myColumn)) + INTERVAL 1 DAY FROM myTable
)

Answer 2

select min(date(datetime_col)) + interval max(hour(datetime_col)) hour
from your_table

Answer 3

You can use order by and limit :

select t.*
from table t
order by date(col) asc, col desc
limit 1;