X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fpleroma%2Frepo.ex;h=4556352d073bc079c7b4f9a0e2a903c351b9741b;hb=1b79dce7bc53f0aa6ce07fdc178bb72b5caabe98;hp=f317e4d582e6cea6fee974190e30015797cffb8a;hpb=433c01b370f4bf68d3f016d86c1527b1319e7a0c;p=akkoma
diff --git a/lib/pleroma/repo.ex b/lib/pleroma/repo.ex
index f317e4d58..4556352d0 100644
--- a/lib/pleroma/repo.ex
+++ b/lib/pleroma/repo.ex
@@ -1,5 +1,5 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors
+# Copyright © 2017-2021 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo do
@@ -49,7 +49,21 @@ defmodule Pleroma.Repo do
end
end
- def chunk_stream(query, chunk_size) do
+ @doc """
+ Returns a lazy enumerable that emits all entries from the data store matching the given query.
+
+ `returns_as` use to group records. use the `batches` option to fetch records in bulk.
+
+ ## Examples
+
+ # fetch records one-by-one
+ iex> Pleroma.Repo.chunk_stream(Pleroma.Activity.Queries.by_actor(ap_id), 500)
+
+ # fetch records in bulk
+ iex> Pleroma.Repo.chunk_stream(Pleroma.Activity.Queries.by_actor(ap_id), 500, :batches)
+ """
+ @spec chunk_stream(Ecto.Query.t(), integer(), atom()) :: Enumerable.t()
+ def chunk_stream(query, chunk_size, returns_as \\ :one) do
# We don't actually need start and end funcitons of resource streaming,
# but it seems to be the only way to not fetch records one-by-one and
# have individual records be the elements of the stream, instead of
@@ -69,7 +83,12 @@ defmodule Pleroma.Repo do
records ->
last_id = List.last(records).id
- {records, last_id}
+
+ if returns_as == :one do
+ {records, last_id}
+ else
+ {[records], last_id}
+ end
end
end,
fn _ -> :ok end