Pleroma/priv/repo/migrations/20190405160700_add_index_on_subscribers.exs

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

  @disable_ddl_transaction true
  def change do
    create index(:users, ["(info->'subscribers')"], name: :users_subscribers_index, using: :gin, concurrently: true)
  end
end