Query apache access logs for Vists, Visit duration

Question

I need help in querying for Vists, Visit duration in mins ..etc from apache access logs. A Visit is considered new if time difference between requests is greater than 60 mins.
ID VISITS VISIT-DURATION-MINS
'Usr-A' 3          112
'Usr-B' 2          34
My data is as below:
ID,TIME-HR-MIN
'Usr-A','01/01/2012 00:45'
'Usr-A','01/01/2012 00:49'
'Usr-A','01/01/2012 00:53'
'Usr-A','01/01/2012 01:04'
'Usr-A','01/01/2012 01:05'
'Usr-A','01/01/2012 01:09'
'Usr-A','01/01/2012 01:10'
'Usr-A','01/01/2012 01:11'
'Usr-A','01/01/2012 01:13'
'Usr-A','01/01/2012 01:14'
'Usr-A','01/01/2012 01:15'
'Usr-A','01/01/2012 02:00'
'Usr-A','01/01/2012 02:01'
'Usr-A','01/01/2012 02:19'
'Usr-A','01/01/2012 03:53'
'Usr-A','01/01/2012 03:59'
'Usr-A','01/01/2012 04:07'
'Usr-A','01/01/2012 04:11'
'Usr-A','01/01/2012 16:30'
'Usr-A','01/01/2012 16:37'
'Usr-A','01/01/2012 16:38'
'Usr-A','01/01/2012 16:39'
'Usr-B','01/01/2012 01:45'
'Usr-B','01/01/2012 01:46'
'Usr-B','01/01/2012 01:48'
'Usr-B','01/01/2012 01:49'
'Usr-B','01/01/2012 01:50'
'Usr-B','01/01/2012 02:07'
'Usr-B','01/01/2012 02:08'
'Usr-B','01/01/2012 02:09'
'Usr-B','01/01/2012 02:10'
'Usr-B','01/01/2012 05:21'
'Usr-B','01/01/2012 05:23'
'Usr-B','01/01/2012 05:30'

Answer 1

Hello
I think this gives you what you need, although I think Usr-A has a total of 121 minutes not 112...
with visit as
(   select 'Usr-A' id,TO_DATE('01/01/2012 00:45','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 00:49','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 00:53','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 01:04','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 01:05','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 01:09','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 01:10','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 01:11','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 01:13','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 01:14','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 01:15','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 02:00','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 02:01','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 02:19','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 03:53','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 03:59','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 04:07','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 04:11','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 16:30','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 16:37','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 16:38','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-A' id,TO_DATE('01/01/2012 16:39','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 01:45','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 01:46','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 01:48','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 01:49','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 01:50','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 02:07','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 02:08','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 02:09','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 02:10','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 05:21','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 05:23','dd/mm/yyyy hh24:mi') time_hr_min from dual union all
    select 'Usr-B' id,TO_DATE('01/01/2012 05:30','dd/mm/yyyy hh24:mi') time_hr_min from dual
SELECT
    id,
    COUNT(*) num_visits,
    SUM(visit_time) total_visit_time
FROM
        SELECT
            id,
            SUM(visit_time) * 60 visit_time
        FROM
                SELECT
                    id,
                    time_hr_min,
                    visit_time,
                    MAX(marker)OVER(PARTITION BY id ORDER BY time_hr_min) marker
                FROM
                    (   SELECT
                            id,
                            time_hr_min,
                            CASE
                                WHEN visit_dur > 1
                                THEN
                                    0
                                ELSE
                                    visit_dur
                            END visit_time,
                            CASE
                                WHEN rn = 1
                                THEN
                                    1
                                WHEN visit_dur > 1
                                THEN
                                    rn
                            END marker
                        FROM
                            (   SELECT
                                    id,
                                    time_hr_min,
                                    ROW_NUMBER() OVER(PARTITION BY id ORDER BY time_hr_min) rn,
                                    (time_hr_min - LAG(time_hr_min) OVER(   PARTITION BY
                                                                                id
                                                                            ORDER BY
                                                                                time_hr_min)
                                     ) * 24 visit_dur
                                FROM
                                    visit
        GROUP BY
            id,
            marker
GROUP BY
    id
ORDER BY
    id
ID    NUM_VISITS TOTAL_VISIT_TIME
Usr-A          3              121
Usr-B          2               34
2 rows selected. HTH
David