mysql - pairing dates under same column in my sql -

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how pair dates under same column in sql?

table looks this:

id | user       | type        | date ---+------------+-------------+-------------  1 |          1 |    login    |  2014-03-19 15:41:52  2 |          1 |    login    |  2014-03-19 19:41:52  3 |          1 |    logout   |  2014-03-19 21:41:52  4 |          2 |    login    |  2014-03-20 19:41:52  5 |          2 |    logout   |  2014-03-20 20:41:52  6 |          3 |    login    |  2014-03-21 19:41:52  7 |          4 |    login    |  2014-03-21 19:42:52  8 |          4 |    logout   |  2014-03-21 21:41:52 10 |          5 |    login    |  2014-03-19 21:45:52 11 |          5 |    login    |  2014-03-19 21:46:52 12 |          3 |    logout   |  2014-03-19 21:51:52 13 |          5 |    logout   |  2014-03-19 22:41:52

the aim pair 1 login 1 logout.
in example user 1 has 2 logins , 1 logout.

the first login should disregarded, , recent login should paired minimum logout: pairing login id=2 , logout id=3

something may work , should return combinations table, performance may getting worse table fills. better performance, consider adding unique generated sessionid table, same both login , logout.

select t1.user, t1.date logindate, t2.date logoutdate  table t1  left join table t2      on t1.user = t2.user , t1.type = 'login' , t2.type = 'logout' , t1.date < t2.date  left join table t3      on t3.user = t1.user , t3.type = 'login' , t3.date < t2.date  t3.id null

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