Create index on `activities.local`

priv/repo/migrations/20190603115238_add_index_on_activities_local.exs

@@ -0,0 +1,7 @@
+defmodule Pleroma.Repo.Migrations.AddIndexOnActivitiesLocal do
+  use Ecto.Migration
+
+  def change do
+    create(index("activities", [:local]))
+  end
+end