Migrations: delete context objects
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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defmodule Pleroma.Repo.Migrations.DataMigrationDeleteContextObjects do
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use Ecto.Migration
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require Logger
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@doc "This migration removes objects created exclusively for contexts, containing only an `id` field."
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def change do
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Logger.warn(
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"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"
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)
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execute("DELETE FROM objects WHERE (data->>'type') IS NULL;")
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end
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end
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