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Migrations: delete context objects

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These objects represent from 30 to 70% of the rows on the objects table,
based on numbers from a few live instances (single-user, small, large.)

As those pseudo-objects prevent creating objects with those actual IDs,
deleting them is a better solution. This could have happened if an
object used another object's ID as its context.
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Hélène 2022-08-07 20:41:24 +02:00
parent def0f5dc2e
commit c559c240d1
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priv/repo/migrations/20220807125023_data_migration_delete_context_objects.exs Normal file
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defmodule Pleroma.Repo.Migrations.DataMigrationDeleteContextObjects do
use Ecto.Migration
require Logger
@doc "This migration removes objects created exclusively for contexts, containing only an `id` field."
def change do
Logger.warn(
"This migration can take a very long time to execute, depending on your database size. Please be patient, Pleroma-tan is doing her best!\n"
)
execute("DELETE FROM objects WHERE (data->>'type') IS NULL;")
end
end