From 5e17e0414412a951ffc549db9231759292d55bc1 Mon Sep 17 00:00:00 2001
From: Roger Braun <roger@rogerbraun.net>
Date: Sat, 1 Jul 2017 16:43:10 +0200
Subject: [PATCH] Make user timelines faster for users with few statuses.

---
 lib/pleroma/web/activity_pub/activity_pub.ex               | 2 +-
 lib/pleroma/web/ostatus/ostatus_controller.ex              | 2 +-
 .../20170701142005_add_actor_index_to_activity.exs         | 7 +++++++
 3 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 priv/repo/migrations/20170701142005_add_actor_index_to_activity.exs

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 79c1d5b69..69a2d8f4e 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -112,7 +112,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp restrict_actor(query, %{"actor_id" => actor_id}) do
     from activity in query,
-      where: fragment("? @> ?", activity.data, ^%{actor: actor_id})
+      where: fragment("?->>'actor' = ?", activity.data, ^actor_id)
   end
   defp restrict_actor(query, _), do: query
 
diff --git a/lib/pleroma/web/ostatus/ostatus_controller.ex b/lib/pleroma/web/ostatus/ostatus_controller.ex
index e676a60c3..05acfd04b 100644
--- a/lib/pleroma/web/ostatus/ostatus_controller.ex
+++ b/lib/pleroma/web/ostatus/ostatus_controller.ex
@@ -19,7 +19,7 @@ defmodule Pleroma.Web.OStatus.OStatusController do
   def feed(conn, %{"nickname" => nickname}) do
     user = User.get_cached_by_nickname(nickname)
     query = from activity in Activity,
-      where: fragment("? @> ?", activity.data, ^%{actor: user.ap_id}),
+      where: fragment("?->>'actor' = ?", activity.data, ^user.ap_id),
       limit: 20,
       order_by: [desc: :inserted_at]
 
diff --git a/priv/repo/migrations/20170701142005_add_actor_index_to_activity.exs b/priv/repo/migrations/20170701142005_add_actor_index_to_activity.exs
new file mode 100644
index 000000000..82c64396f
--- /dev/null
+++ b/priv/repo/migrations/20170701142005_add_actor_index_to_activity.exs
@@ -0,0 +1,7 @@
+defmodule Pleroma.Repo.Migrations.AddActorIndexToActivity do
+  use Ecto.Migration
+
+  def change do
+    create index(:activities, ["(data->>'actor')", "inserted_at desc"], name: :activities_actor_index)
+  end
+end