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