Merging two columns in hive and use between operator

Question

I have a login details table in hive with columns

(DATE, TIME, USER)

I am trying to write a query which can select users who have logged in

Answer 1

SELECT * FROM test_table
WHERE date BETWEEN "11-12-2012" AND "27-12-2012"
OR (date = '10-12-2012' and  time >= '02:30:00')
OR (date = '28-12-2012' and  time <= '16:20:00');