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improve(api): make retention fast again

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This commit is contained in:
Carl-Gerhard Lindesvärd
2025-03-23 21:14:43 +01:00
parent 1257381bf2
commit 800a484ad4
1 changed files with 20 additions and 34 deletions
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54
packages/trpc/src/routers/chart.ts
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@@ -290,32 +290,6 @@ export const chartRouter = createTRPCRouter({
return `name IN (${event.map((e) => escape(e)).join(',')})`;
};
// const dropoffsSelect = range(1, diffInterval + 1)
// .map(
// (index) =>
// `arrayFilter(x -> NOT has(interval_${index}_users, x), interval_${index - 1}_users) AS interval_${index}_dropoffs`,
// )
// .join(',\n');
// const dropoffCountsSelect = range(1, diffInterval + 1)
// .map(
// (index) =>
// `length(interval_${index}_dropoffs) AS interval_${index}_dropoff_count`,
// )
// .join(',\n');
// SELECT
// project_id,
// profile_id AS userID,
// name,
// toDate(created_at) AS cohort_interval
// FROM events_v2
// WHERE profile_id != device_id
// AND ${whereEventNameIs(firstEvent)}
// AND project_id = ${escape(projectId)}
// AND created_at BETWEEN toDate('${utc(dates.startDate)}') AND toDate('${utc(dates.endDate)}')
// GROUP BY project_id, name, cohort_interval, userID
const cohortQuery = `
WITH
cohort_users AS (
@@ -328,15 +302,27 @@ export const chartRouter = createTRPCRouter({
AND project_id = ${escape(projectId)}
AND created_at BETWEEN toDate('${utc(dates.startDate)}') AND toDate('${utc(dates.endDate)}')
),
retention_matrix AS (
last_event AS
(
SELECT
profile_id,
project_id,
toDate(created_at) AS event_date
FROM cohort_events_mv
WHERE ${whereEventNameIs(secondEvent)}
AND project_id = ${escape(projectId)}
AND created_at BETWEEN toDate('${utc(dates.startDate)}') AND toDate('${utc(dates.endDate)}') + INTERVAL ${diffInterval} ${sqlInterval}
),
retention_matrix AS
(
SELECT
c.cohort_interval,
e.profile_id,
dateDiff('${sqlInterval}', c.cohort_interval, ${sqlToStartOf}(e.created_at)) AS x_after_cohort
FROM cohort_users AS c
INNER JOIN ${TABLE_NAMES.cohort_events_mv} AS e ON c.userID = e.profile_id
WHERE (${whereEventNameIs(secondEvent)}) AND (e.project_id = ${escape(projectId)})
AND ((e.created_at >= c.cohort_interval) AND (e.created_at <= (c.cohort_interval + INTERVAL ${diffInterval} ${sqlInterval})))
f.cohort_interval,
l.profile_id,
dateDiff('${sqlInterval}', f.cohort_interval, ${sqlToStartOf}(l.event_date)) AS x_after_cohort
FROM cohort_users AS f
INNER JOIN last_event AS l ON f.userID = l.profile_id
WHERE (l.event_date >= f.cohort_interval)
AND (l.event_date <= (f.cohort_interval + INTERVAL ${diffInterval} ${sqlInterval}))
),
interval_users AS (
SELECT