mobilizon.chapril.org-mobil.../priv/repo/migrations/20201120161229_fix_picture_deletion.exs

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defmodule Mobilizon.Storage.Repo.Migrations.FixPictureDeletion do
use Ecto.Migration
def up do
drop_if_exists(constraint(:posts, "posts_picture_id_fkey"))
alter table(:posts) do
modify(:picture_id, references(:pictures, on_delete: :nilify_all))
end
drop_if_exists(constraint(:events, "events_picture_id_fkey"))
alter table(:events) do
modify(:picture_id, references(:pictures, on_delete: :nilify_all))
end
end
def down do
drop_if_exists(constraint(:posts, "posts_picture_id_fkey"))
alter table(:posts) do
modify(:picture_id, references(:pictures, on_delete: :delete_all))
end
drop_if_exists(constraint(:events, "events_picture_id_fkey"))
alter table(:events) do
modify(:picture_id, references(:pictures, on_delete: :delete_all))
end
end
end