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Migration issue resolution

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Stephanos A
2026-07-18 18:05:41 +03:00
parent 594aaf17ab
commit f366e834e7
2 changed files with 24 additions and 1 deletions
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14
apps/edr-passenger-api/prisma/migrations/20260718144855_unique_constraint_schedule_id_seat_id_departure_station_id/migration.sql
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@@ -4,5 +4,17 @@
- A unique constraint covering the columns `[scheduleId,seatId,departureStationId]` on the table `JourneySegment` will be added. If there are existing duplicate values, this will fail.
*/
-- Deduplicate before applying the unique index.
-- Keeps the row with the lowest id per (scheduleId, seatId, departureStationId) group.
DELETE FROM passenger."JourneySegment"
WHERE id NOT IN (
SELECT MIN(id)
FROM passenger."JourneySegment"
WHERE "seatId" IS NOT NULL
GROUP BY "scheduleId", "seatId", "departureStationId"
)
AND "seatId" IS NOT NULL;
-- CreateIndex
CREATE UNIQUE INDEX IF NOT EXISTS "JourneySegment_scheduleId_seatId_departureStationId_key" ON "JourneySegment"("scheduleId", "seatId", "departureStationId");
CREATE UNIQUE INDEX IF NOT EXISTS "JourneySegment_scheduleId_seatId_departureStationId_key"
ON "JourneySegment"("scheduleId", "seatId", "departureStationId");