-- DropForeignKey
ALTER TABLE "ExpensePaidFor" DROP CONSTRAINT "ExpensePaidFor_expenseId_fkey";

-- DropForeignKey
ALTER TABLE "Participant" DROP CONSTRAINT "Participant_groupId_fkey";

-- AddForeignKey
ALTER TABLE "Participant" ADD CONSTRAINT "Participant_groupId_fkey" FOREIGN KEY ("groupId") REFERENCES "Group"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "ExpensePaidFor" ADD CONSTRAINT "ExpensePaidFor_expenseId_fkey" FOREIGN KEY ("expenseId") REFERENCES "Expense"("id") ON DELETE CASCADE ON UPDATE CASCADE;