/*
  Warnings:

  - You are about to drop the column `assigned_at` on the `coupon_groups` table. All the data in the column will be lost.

*/
-- AlterTable
ALTER TABLE "coupon_groups" DROP COLUMN "assigned_at";

-- AlterTable
ALTER TABLE "coupons" ADD COLUMN     "assigned_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;