Hier ist eine Abfrage, die das tut, was Sie brauchen. Beachten Sie jedoch, dass dies nur für Ereignisse funktioniert, die in 1 Million Minuten, also etwa 2 Jahren, enden.
WITH event
AS (SELECT 'Event 1' AS id,
'2017-03-01 07:45' AS start_date,
'2017-03-01 08:15' AS end_date
FROM DUAL
UNION ALL
SELECT 'Event 2' AS id,
'2017-03-01 08:25' AS start_date,
'2017-03-01 08:40' AS end_date
FROM DUAL),
add_mins
AS (SELECT LEVEL
- 1
AS add_min
FROM DUAL
CONNECT BY LEVEL <= 1000000),
hrs_in_day
AS (SELECT LEVEL
- 1
AS hr
FROM DUAL
CONNECT BY LEVEL <= 24),
all_days_hrs
AS (SELECT *
FROM (SELECT TO_CHAR (
(first_start_day
+ LEVEL
- 1),
'YYYY-MM-DD'
)
AS curr_day
FROM (SELECT MIN (curr_day) AS first_start_day,
MAX (curr_day) AS last_end_day
FROM (SELECT TO_TIMESTAMP (start_date, 'YYYY-MM-DD HH24:MI')
AS curr_day
FROM event
UNION
SELECT TO_TIMESTAMP (end_date, 'YYYY-MM-DD HH24:MI')
AS curr_day
FROM event))
CONNECT BY (first_start_day
+ LEVEL
- 1) < last_end_day),
hrs_in_day)
SELECT hl.curr_day AS year_month_day,
LPAD (hl.hr, 2, '0') AS hours,
COUNT (h.curr_hr) AS activity_duration_in_min
FROM all_days_hrs hl
LEFT JOIN
(SELECT id,
start_time,
end_time,
curr_time,
TO_CHAR (curr_time, 'YYYY-MM-DD') AS year_month_day,
EXTRACT (HOUR FROM curr_time) AS curr_hr
FROM (SELECT id,
start_time,
end_time,
b.add_min,
start_time
+ NUMTODSINTERVAL (b.add_min, 'minute')
AS curr_time
FROM (SELECT id,
start_time,
end_time,
EXTRACT (DAY FROM dur_interval) * 1440
+ EXTRACT (HOUR FROM dur_interval) * 60
+ EXTRACT (MINUTE FROM dur_interval)
AS duration_in_min
FROM (SELECT id,
start_time,
end_time,
(end_time
- start_time)
AS dur_interval
FROM (SELECT id,
TO_TIMESTAMP (
start_date,
'YYYY-MM-DD HH24:MI'
)
AS start_time,
TO_TIMESTAMP (
end_date,
'YYYY-MM-DD HH24:MI'
)
AS end_time
FROM event))) a,
add_mins b
WHERE b.add_min < a.duration_in_min)) h
ON (hl.curr_day = h.year_month_day
AND hl.hr = h.curr_hr)
GROUP BY hl.curr_day,
hl.hr
ORDER BY year_month_day NULLS FIRST,
hl.hr;
Es ist ein bisschen langsam, obwohl. Ich habe keine Zeit damit verbracht, über Leistung nachzudenken. Aber es funktioniert. Hier ist die Ausgabe.
Year-Month-day | Hours | Activity_Duration_in_min
2017-03-01 | 00 | 0
2017-03-01 | 01 | 0
2017-03-01 | 02 | 0
2017-03-01 | 03 | 0
2017-03-01 | 04 | 0
2017-03-01 | 05 | 0
2017-03-01 | 06 | 0
2017-03-01 | 07 | 15
2017-03-01 | 08 | 30
2017-03-01 | 09 | 0
2017-03-01 | 10 | 0
2017-03-01 | 11 | 0
2017-03-01 | 12 | 0
2017-03-01 | 13 | 0
2017-03-01 | 14 | 0
2017-03-01 | 15 | 0
2017-03-01 | 16 | 0
2017-03-01 | 17 | 0
2017-03-01 | 18 | 0
2017-03-01 | 19 | 0
2017-03-01 | 20 | 0
2017-03-01 | 21 | 0
2017-03-01 | 22 | 0
2017-03-01 | 23 | 0
Und wenn wir das Enddatum Event 2 '2017.03.02 (dh das Ereignis dauerte einen Tag und 15 min und 40 min in der 8. Stunde) ändern können wir, dass die Ausgangs Änderungen sehen um die 48 Stunden Dauer zu reflektieren.
Year-Month-day | Hours | Activity_Duration_in_min
2017-03-01 | 00 | 0
2017-03-01 | 01 | 0
2017-03-01 | 02 | 0
2017-03-01 | 03 | 0
2017-03-01 | 04 | 0
2017-03-01 | 05 | 0
2017-03-01 | 06 | 0
2017-03-01 | 07 | 15
2017-03-01 | 08 | 50
2017-03-01 | 09 | 60
2017-03-01 | 10 | 60
2017-03-01 | 11 | 60
2017-03-01 | 12 | 60
2017-03-01 | 13 | 60
2017-03-01 | 14 | 60
2017-03-01 | 15 | 60
2017-03-01 | 16 | 60
2017-03-01 | 17 | 60
2017-03-01 | 18 | 60
2017-03-01 | 19 | 60
2017-03-01 | 20 | 60
2017-03-01 | 21 | 60
2017-03-01 | 22 | 60
2017-03-01 | 23 | 60
2017-03-02 | 00 | 60
2017-03-02 | 01 | 60
2017-03-02 | 02 | 60
2017-03-02 | 03 | 60
2017-03-02 | 04 | 60
2017-03-02 | 05 | 60
2017-03-02 | 06 | 60
2017-03-02 | 07 | 60
2017-03-02 | 08 | 40
2017-03-02 | 09 | 0
2017-03-02 | 10 | 0
2017-03-02 | 11 | 0
2017-03-02 | 12 | 0
2017-03-02 | 13 | 0
2017-03-02 | 14 | 0
2017-03-02 | 15 | 0
2017-03-02 | 16 | 0
2017-03-02 | 17 | 0
2017-03-02 | 18 | 0
2017-03-02 | 19 | 0
2017-03-02 | 20 | 0
2017-03-02 | 21 | 0
2017-03-02 | 22 | 0
2017-03-02 | 23 | 0
haben Sie die Suchfunktion hier versucht? es gibt viele Antworten zu diesem Thema –
Sicher, aber alle fundierten Antworten konzentrieren sich auf das Zählen von Ereignissen im Intervall, nicht zählen Ereignisdauer in 24h-Intervall-Tabelle in reinem SQL. – wukkie
@TimBiegeleisen Warum 55 Minuten? 07-08 => 15 Minuten (07:45 - 08:00 [E1]) 08-09 => 30 Minuten (08:00 - 08:15 [E1] + 08:25: - 08:40 [E2 ]) – wukkie