mirror of https://akkoma.dev/AkkomaGang/akkoma
31 lines
638 B
Elixir
31 lines
638 B
Elixir
defmodule Pleroma.Repo.Migrations.DeleteNotificationWithoutActivity do
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use Ecto.Migration
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import Ecto.Query
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alias Pleroma.Repo
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def up do
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from(
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q in Pleroma.Notification,
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left_join: c in assoc(q, :activity),
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select: %{id: type(q.id, :integer)},
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where: is_nil(c.id)
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)
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|> Repo.chunk_stream(1_000, :batches)
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|> Stream.each(fn records ->
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notification_ids = Enum.map(records, fn %{id: id} -> id end)
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Repo.delete_all(
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from(n in "notifications",
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where: n.id in ^notification_ids
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)
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)
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end)
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|> Stream.run()
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end
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def down do
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:ok
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end
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end
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