fcf0e31bc5b137fc1f66b2937951a807e6d751c4
[anni] / priv / repo / migrations / 20200328130139_add_following_relationships_following_id_index.exs
1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
4
5 defmodule Pleroma.Repo.Migrations.AddFollowingRelationshipsFollowingIdIndex do
6   use Ecto.Migration
7
8   # [:follower_index] index is useless because of [:follower_id, :following_id] index
9   # [:following_id] index makes sense because of user's followers-targeted queries
10   def change do
11     drop_if_exists(index(:following_relationships, [:follower_id]))
12
13     create_if_not_exists(index(:following_relationships, [:following_id]))
14   end
15 end