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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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18
prisma/migrations/20260211000000_add_file_requirements/migration.sql
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@@ -1,5 +1,5 @@
-- CreateTable
CREATE TABLE "FileRequirement" (
CREATE TABLE IF NOT EXISTS "FileRequirement" (
"id" TEXT NOT NULL,
"roundId" TEXT NOT NULL,
"name" TEXT NOT NULL,
@@ -15,16 +15,22 @@ CREATE TABLE "FileRequirement" (
);
-- CreateIndex
CREATE INDEX "FileRequirement_roundId_idx" ON "FileRequirement"("roundId");
CREATE INDEX IF NOT EXISTS "FileRequirement_roundId_idx" ON "FileRequirement"("roundId");
-- AddForeignKey
ALTER TABLE "FileRequirement" ADD CONSTRAINT "FileRequirement_roundId_fkey" FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;
DO $$ BEGIN
ALTER TABLE "FileRequirement" ADD CONSTRAINT "FileRequirement_roundId_fkey" FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;
-- AlterTable: add requirementId to ProjectFile
ALTER TABLE "ProjectFile" ADD COLUMN "requirementId" TEXT;
DO $$ BEGIN
ALTER TABLE "ProjectFile" ADD COLUMN "requirementId" TEXT;
EXCEPTION WHEN duplicate_column THEN NULL; END $$;
-- CreateIndex
CREATE INDEX "ProjectFile_requirementId_idx" ON "ProjectFile"("requirementId");
CREATE INDEX IF NOT EXISTS "ProjectFile_requirementId_idx" ON "ProjectFile"("requirementId");
-- AddForeignKey
ALTER TABLE "ProjectFile" ADD CONSTRAINT "ProjectFile_requirementId_fkey" FOREIGN KEY ("requirementId") REFERENCES "FileRequirement"("id") ON DELETE SET NULL ON UPDATE CASCADE;
DO $$ BEGIN
ALTER TABLE "ProjectFile" ADD CONSTRAINT "ProjectFile_requirementId_fkey" FOREIGN KEY ("requirementId") REFERENCES "FileRequirement"("id") ON DELETE SET NULL ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;