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perf(prisma): add composite indexes for User and Availability tables #28779

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perf(prisma): add composite indexes for User and Availability tables #28779

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16 changes: 16 additions & 0 deletions packages/prisma/migrations/20260407000000_add_composite_indexes_for_scale/migration.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
-- User: optimize login/verification lookups.
-- The User table has low write volume (account creation/updates) relative to
-- the high read frequency of auth queries, making this a safe addition.
CREATE INDEX CONCURRENTLY IF NOT EXISTS "users_email_emailVerified_idx"
ON "users" ("email", "emailVerified");

-- Availability: optimize schedule-based date range lookups.
-- Availability has 3 existing indexes. This composite covers the common
-- query pattern of fetching schedule slots within a date range.
CREATE INDEX CONCURRENTLY IF NOT EXISTS "Availability_scheduleId_date_idx"
ON "Availability" ("scheduleId", "date");

-- Availability: optimize user-based date range lookups.
-- Covers the common pattern of fetching a user's availability for a date range.
CREATE INDEX CONCURRENTLY IF NOT EXISTS "Availability_userId_date_idx"
ON "Availability" ("userId", "date");
3 changes: 3 additions & 0 deletions packages/prisma/schema.prisma
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Expand Up @@ -531,6 +531,7 @@ model User {
@@index([emailVerified])
@@index([identityProvider])
@@index([identityProviderId])
@@index([email, emailVerified])
@@map(name: "users")
}

Expand Down Expand Up @@ -998,6 +999,8 @@ model Availability {
@@index([userId])
@@index([eventTypeId])
@@index([scheduleId])
@@index([scheduleId, date])
@@index([userId, date])
}

model SelectedCalendar {
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