akkoma/priv/repo/migrations/20170916090107_add_fts_index_to_activities.exs

defmodule Pleroma.Repo.Migrations.AddFTSIndexToActivities do
  use Ecto.Migration
  @disable_ddl_transaction true

  def change do
    create index(:activities, ["(to_tsvector('english', data->'object'->>'content'))"], concurrently: true, using: :gin, name: :activities_fts)
  end
end