fix: cascade deletion

qin-guan · Jul 17, 2023 · eec6bcf · eec6bcf
1 parent 633dbbb
commit eec6bcf
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/prisma/migrations/20230717010129_cascade_survey_fks/migration.sql b/prisma/migrations/20230717010129_cascade_survey_fks/migration.sql
@@ -0,0 +1,11 @@
+-- DropForeignKey
+ALTER TABLE "Response" DROP CONSTRAINT "Response_respondentId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "Response" DROP CONSTRAINT "Response_surveyId_fkey";
+
+-- AddForeignKey
+ALTER TABLE "Response" ADD CONSTRAINT "Response_surveyId_fkey" FOREIGN KEY ("surveyId") REFERENCES "Survey"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Response" ADD CONSTRAINT "Response_respondentId_fkey" FOREIGN KEY ("respondentId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
@@ -49,9 +49,9 @@ model Response {
  timestamp DateTime @default(now())
  data Json
 
- survey Survey @relation(fields: [surveyId], references: [id])
+ survey Survey @relation(fields: [surveyId], references: [id], onDelete: Cascade)
  surveyId String
- respondent User @relation(fields: [respondentId], references: [id])
+ respondent User @relation(fields: [respondentId], references: [id], onDelete: Cascade)
  respondentId String
 
  @@unique([surveyId, respondentId])