honkoma/priv/repo/migrations/20171212164525_fill_recipie...

26 lines
589 B
Elixir

defmodule Pleroma.Repo.Migrations.FillRecipientsInActivities do
use Ecto.Migration
alias Pleroma.{Repo, Activity}
def up do
max = Repo.aggregate(Activity, :max, :id)
if max do
IO.puts("#{max} activities")
chunks = 0..round(max / 10_000)
Enum.each(chunks, fn i ->
min = i * 10_000
max = min + 10_000
execute("""
update activities set recipients = array(select jsonb_array_elements_text(data->'to')) where id > #{min} and id <= #{max};
""")
|> IO.inspect()
end)
end
end
def down, do: :ok
end