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