Join on preloads to avoid N+1 queries
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@ -35,7 +35,8 @@ defmodule Pleroma.Notification do
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n in Notification,
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where: n.user_id == ^user.id,
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order_by: [desc: n.id],
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preload: [:activity],
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join: activity in assoc(n, :activity),
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preload: [activity: activity],
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limit: 20
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)
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@ -66,7 +67,8 @@ defmodule Pleroma.Notification do
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from(
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n in Notification,
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where: n.id == ^id,
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preload: [:activity]
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join: activity in assoc(n, :activity),
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preload: [activity: activity]
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)
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notification = Repo.one(query)
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@ -33,7 +33,12 @@ defmodule Pleroma.Plugs.OAuthPlug do
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#
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@spec fetch_user_and_token(String.t()) :: {:ok, User.t(), Token.t()} | nil
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defp fetch_user_and_token(token) do
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query = from(q in Token, where: q.token == ^token, preload: [:user])
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query =
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from(t in Token,
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where: t.token == ^token,
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join: user in assoc(t, :user),
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preload: [user: user]
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)
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with %Token{user: %{info: %{deactivated: false} = _} = user} = token_record <- Repo.one(query) do
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{:ok, user, token_record}
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