ALTER TABLE "viewer_users" ADD COLUMN IF NOT EXISTS "iptv_access" BOOLEAN NOT NULL DEFAULT false;
ALTER TABLE "viewer_users" ADD COLUMN IF NOT EXISTS "iptv_addon_token_id" TEXT;

DO $$ BEGIN
  ALTER TABLE "viewer_users"
    ADD CONSTRAINT "viewer_users_iptv_addon_token_id_fkey"
    FOREIGN KEY ("iptv_addon_token_id") REFERENCES "addon_tokens"("id")
    ON DELETE SET NULL ON UPDATE CASCADE;
EXCEPTION
  WHEN duplicate_object THEN NULL;
END $$;