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

-- AlterTable
ALTER TABLE "Participant" ALTER COLUMN "eventAppointmentId" DROP NOT NULL;

-- AddForeignKey
ALTER TABLE "Participant" ADD CONSTRAINT "Participant_eventAppointmentId_fkey" FOREIGN KEY ("eventAppointmentId") REFERENCES "EventAppointment"("id") ON DELETE SET NULL ON UPDATE CASCADE;