git.squeep.com Git - akkoma/blob - priv/repo/migrations/20171212164525_fill_recipients_in_activities.exs

   1 defmodule Pleroma.Repo.Migrations.FillRecipientsInActivities do
   2   use Ecto.Migration
   3   alias Pleroma.{Repo, Activity}
   4
   5   def up do
   6     max = Repo.aggregate(Activity, :max, :id)
   7
   8     if max do
   9       IO.puts("#{max} activities")
  10       chunks = 0..round(max / 10_000)
  11
  12       Enum.each(chunks, fn i ->
  13         min = i * 10_000
  14         max = min + 10_000
  15
  16         execute("""
  17         update activities set recipients = array(select jsonb_array_elements_text(data->'to')) where id > #{
  18           min
  19         } and id <= #{max};
  20         """)
  21         |> IO.inspect()
  22       end)
  23     end
  24   end
  25
  26   def down, do: :ok
  27 end