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Add index hotspots

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migrate-to-akkoma
Pete 3 months ago
committed by Your New SJW Waifu
parent
commit
d659453e9b
  1. 17
      priv/repo/migrations/20220506175506_add_index_hotspots.exs

17
priv/repo/migrations/20220506175506_add_index_hotspots.exs

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo.Migrations.AddIndexHotspots do
use Ecto.Migration
def change do
# Stop inserts into activities from doing a full-table scan of users:
create_if_not_exists(index(:users, [:ap_id, "COALESCE(follower_address, '')"]))
# Change two indexes and a filter recheck into one index scan:
create_if_not_exists(index(:following_relationships, [:follower_id, :state]))
create_if_not_exists(index(:notifications, [:user_id, :seen]))
end
end
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