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LTV cohorts.sql
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# getting the first customer visit
WITH
FirstVisit AS(
SELECT
DISTINCT(user_pseudo_id) user_id,
MIN(DATE_TRUNC(PARSE_DATE('%Y%m%d',event_date), WEEK(SUNDAY))) first_visit
FROM
`tc-da-1.turing_data_analytics.raw_events`
WHERE
DATE_TRUNC(PARSE_DATE('%Y%m%d',event_date), WEEK(SUNDAY)) < '2021-01-31'
GROUP BY
1 ),
# counting all customer purchases
Purchases AS (
SELECT
user_pseudo_id,
purchase_revenue_in_usd,
DATE_TRUNC(PARSE_DATE('%Y%m%d',event_date), WEEK(SUNDAY)) event_date
FROM
`turing_data_analytics.raw_events`
WHERE
event_name = "purchase"
AND purchase_revenue_in_usd > 0
AND DATE_TRUNC(PARSE_DATE('%Y%m%d',event_date), WEEK(SUNDAY)) < "2021-01-31"
)
# applying cohorts
SELECT
fv.first_visit cohort,
COUNT(fv.user_id) user_registration_count,
SUM(CASE
WHEN p.event_date <= fv.first_visit THEN p.purchase_revenue_in_usd
ELSE 0
END) Week0,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 1 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week1,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 2 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week2,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 3 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week3,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 4 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week4,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 5 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week5,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 6 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week6,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 7 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week7,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 8 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week8,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 9 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week9,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 10 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week10,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 11 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week11,
SUM(CASE
WHEN p.event_date <= DATE_ADD(fv.first_visit,INTERVAL 12 WEEK) THEN p.purchase_revenue_in_usd
ELSE 0
END) Week12,
FROM
FirstVisit fv
LEFT JOIN
Purchases p
ON
fv.user_id = p.user_pseudo_id
GROUP BY
cohort
ORDER BY
cohort