debianize-mobilizon/priv/repo/migrations/20201120161229_fix_picture_deletion.exs
Thomas Citharel 7a731f1ef8
Fix pictures being deleting cascading to events & posts
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2020-11-23 17:00:38 +01:00

32 lines
831 B
Elixir

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