# Pleroma: A lightweight social networking server # Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Mix.Tasks.Pleroma.Database do alias Mix.Tasks.Pleroma.Common require Logger use Mix.Task @shortdoc "A collection of database related tasks" @moduledoc """ A collection of database related tasks ## Replace embedded objects with their references Replaces embedded objects with references to them in the `objects` table. Only needs to be ran once. The reason why this is not a migration is because it could significantly increase the database size after being ran, however after this `VACUUM FULL` will be able to reclaim about 20% (really depends on what is in the database, your mileage may vary) of the db size before the migration. mix pleroma.database remove_embedded_objects Options: - `--vacuum` - run `VACUUM FULL` after the embedded objects are replaced with their references """ def run(["remove_embedded_objects" | args]) do {options, [], []} = OptionParser.parse( args, strict: [ vacuum: :boolean ] ) Common.start_pleroma() Logger.info("Removing embedded objects") Pleroma.Repo.query!( "update activities set data = jsonb_set(data, '{object}'::text[], data->'object'->'id') where data->'object'->>'id' is not null;", [], timeout: :infinity ) if Keyword.get(options, :vacuum) do Logger.info("Runnning VACUUM FULL") Pleroma.Repo.query!( "vacuum full;", [], timeout: :infinity ) end end end