2022-05-06 18:35:09 -07:00
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# Pleroma: A lightweight social networking server
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2023-01-02 12:38:50 -08:00
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# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
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2022-05-06 18:35:09 -07:00
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Repo.Migrations.AddIndexHotspots do
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use Ecto.Migration
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def change do
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# Stop inserts into activities from doing a full-table scan of users:
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create_if_not_exists(index(:users, [:ap_id, "COALESCE(follower_address, '')"]))
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# Change two indexes and a filter recheck into one index scan:
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create_if_not_exists(index(:following_relationships, [:follower_id, :state]))
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create_if_not_exists(index(:notifications, [:user_id, :seen]))
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end
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end
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