pleroma/priv/repo/migrations/20191026191711_set_not_null_for_scheduled_activities.exs

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

  # modify/3 function will require index recreation, so using execute/1 instead

  def up do
    execute("ALTER TABLE scheduled_activities
    ALTER COLUMN user_id SET NOT NULL")
  end

  def down do
    execute("ALTER TABLE scheduled_activities
    ALTER COLUMN user_id DROP NOT NULL")
  end
end