/*
  Warnings:

  - Added the required column `postedAt` to the `attachments` table without a default value. This is not possible if the table is not empty.
  - Added the required column `timestamp` to the `memes` table without a default value. This is not possible if the table is not empty.

*/
-- AlterTable
ALTER TABLE "attachments"
  ADD COLUMN     "postedAt"
  TIMESTAMP(3);

UPDATE "attachments"
  set "postedAt" = TIMESTAMP 'epoch' + ((id >> 22) + 1420070400000) * INTERVAL '1 millisecond';

-- AlterTable
ALTER TABLE "memes"
  ADD COLUMN     "postedAt"
  TIMESTAMP(3);

UPDATE "memes"
  set "postedAt" = TIMESTAMP 'epoch' + (("attachmentId" >> 22) + 1420070400000) * INTERVAL '1 millisecond';

ALTER TABLE "attachments" ALTER COLUMN "postedAt" SET NOT NULL;
ALTER TABLE "memes" ALTER COLUMN "postedAt" SET NOT NULL;