/*
  Warnings:

  - Added the required column `userId` to the `Collection` table without a default value. This is not possible if the table is not empty.

*/
-- AlterTable
ALTER TABLE "Collection" ADD COLUMN     "userId" TEXT;

-- Update existing rows with a default user ID
UPDATE "Collection" SET "userId" = 'default-user-id' WHERE "userId" IS NULL;

-- AlterTable
ALTER TABLE "Collection" ALTER COLUMN "userId" SET NOT NULL;

-- AddForeignKey
ALTER TABLE "Collection" ADD CONSTRAINT "Collection_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;