Separate Subscription Notifications from regular Notifications

priv/repo/migrations/20190824195028_create_subscription_notifications.exs

@@ -0,0 +1,15 @@
+defmodule Pleroma.Repo.Migrations.CreateSubscriptionNotifications do
+  use Ecto.Migration
+
+  def change do
+    create_if_not_exists table(:subscription_notifications) do
+      add(:user_id, references(:users, type: :uuid, on_delete: :delete_all))
+      add(:activity_id, references(:activities, type: :uuid, on_delete: :delete_all))
+
+      timestamps()
+    end
+
+    create_if_not_exists(index(:subscription_notifications, [:user_id]))
+    create_if_not_exists(index(:subscription_notifications, ["id desc nulls last"]))
+  end
+end