/*
  Warnings:

  - The primary key for the `TourParticipant` table will be changed. If it partially fails, the table could be left without primary key constraint.
  - A unique constraint covering the columns `[tourId,userId]` on the table `TourParticipant` will be added. If there are existing duplicate values, this will fail.
  - The required column `id` was added to the `TourParticipant` table with a prisma-level default value. This is not possible if the table is not empty. Please add this column as optional, then populate it before making it required.

*/
-- AlterTable
ALTER TABLE "TourParticipant" DROP CONSTRAINT "TourParticipant_pkey",
ADD COLUMN     "displayName" TEXT,
ADD COLUMN     "id" TEXT;

UPDATE "TourParticipant" SET "id" = md5(random()::text);

ALTER TABLE "TourParticipant" ALTER COLUMN "id" SET NOT NULL,
ALTER COLUMN "userId" DROP NOT NULL;

ALTER TABLE "TourParticipant" ADD CONSTRAINT "TourParticipant_pkey" PRIMARY KEY ("id");

-- CreateIndex
CREATE UNIQUE INDEX "TourParticipant_tourId_userId_key" ON "TourParticipant"("tourId", "userId");