pleroma/priv/repo/migrations/20170501124823_add_id_contraints_to_activities_and_objects.exs

defmodule Pleroma.Repo.Migrations.AddIdContraintsToActivitiesAndObjects do
  use Ecto.Migration

  def change do
    # This was wrong, make it a noop.
    # create index(:objects, ["(data->>\"id\")"], name: :objects_unique_apid_index)
    # create index(:activities, ["(data->>\"id\")"], name: :activities_unique_apid_index)
  end
end