defmodule Pleroma.Repo.Migrations.AddActorToActivity do
use Ecto.Migration
- alias Pleroma.{Repo, Activity}
-
@disable_ddl_transaction true
def up do
add :actor, :string
end
- max = Repo.aggregate(Activity, :max, :id)
- IO.puts("#{max} activities")
- chunks = 0..(round(max / 10_000))
-
- Enum.each(chunks, fn (i) ->
- min = i * 10_000
- max = min + 10_000
- IO.puts("Updating #{min}")
- execute """
- update activities set actor = data->>'actor' where id > #{min} and id <= #{max};
- """
- end)
-
create index(:activities, [:actor, "id DESC NULLS LAST"], concurrently: true)
end
def down do
- drop index(:activities, [:actor, "id DESC NULLS LAST"])
+ drop_if_exists index(:activities, [:actor, "id DESC NULLS LAST"])
alter table(:activities) do
remove :actor
end