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Make all migration SQL files idempotent for clean prod deploys
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Added IF NOT EXISTS, IF EXISTS, and DO $$ EXCEPTION guards to all
migration files from 20260205 onwards so they survive partial application
and work correctly on both fresh databases and existing deployments.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Matt
2026-02-16 13:09:41 +01:00
parent 763b2ef0f5
commit effc078918
9 changed files with 768 additions and 446 deletions
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16
prisma/migrations/20260210000000_fix_round_delete_cascades/migration.sql
View File

@@ -3,11 +3,15 @@
-- Add SET NULL on ProjectFile.roundId so deleting Round nullifies the reference
-- AlterTable: Evaluation.formId -> onDelete CASCADE
ALTER TABLE "Evaluation" DROP CONSTRAINT "Evaluation_formId_fkey";
ALTER TABLE "Evaluation" ADD CONSTRAINT "Evaluation_formId_fkey"
FOREIGN KEY ("formId") REFERENCES "EvaluationForm"("id") ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE "Evaluation" DROP CONSTRAINT IF EXISTS "Evaluation_formId_fkey";
DO $$ BEGIN
ALTER TABLE "Evaluation" ADD CONSTRAINT "Evaluation_formId_fkey"
FOREIGN KEY ("formId") REFERENCES "EvaluationForm"("id") ON DELETE CASCADE ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;
-- AlterTable: ProjectFile.roundId -> onDelete SET NULL
ALTER TABLE "ProjectFile" DROP CONSTRAINT "ProjectFile_roundId_fkey";
ALTER TABLE "ProjectFile" ADD CONSTRAINT "ProjectFile_roundId_fkey"
FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE SET NULL ON UPDATE CASCADE;
ALTER TABLE "ProjectFile" DROP CONSTRAINT IF EXISTS "ProjectFile_roundId_fkey";
DO $$ BEGIN
ALTER TABLE "ProjectFile" ADD CONSTRAINT "ProjectFile_roundId_fkey"
FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE SET NULL ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;