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perf(retention): only clean up hashtags of evicted objects

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Each run scanned the whole hashtags table. Collect the hashtag ids of
the objects about to be deleted and check just those.
This commit is contained in:
Lain Soykaf 2026-09-23 08:24:09 +04:00
commit 75b158c1d0
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2 changed files with 57 additions and 20 deletions
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18
test/pleroma/retention_test.exs
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@ -488,5 +488,23 @@ defmodule Pleroma.RetentionTest do
refute Pleroma.Hashtag.get_by_name("lonelytag")
end
test "only cleans up hashtags of the evicted objects", %{old_date: old_date} do
remote_user = insert(:user, local: false)
local_user = insert(:user)
old_remote_post(remote_user, old_date, %{status: "#gone #shared #followed"})
{:ok, _} = CommonAPI.post(local_user, %{status: "#shared"})
{:ok, followed} = Pleroma.Hashtag.get_or_create_by_name("followed")
{:ok, _} = Pleroma.User.follow_hashtag(local_user, followed)
{:ok, _} = Pleroma.Hashtag.get_or_create_by_name("unrelated")
assert %{contexts: 1} = Retention.run()
refute Pleroma.Hashtag.get_by_name("gone")
assert Pleroma.Hashtag.get_by_name("shared")
assert Pleroma.Hashtag.get_by_name("followed")
assert Pleroma.Hashtag.get_by_name("unrelated")
end
end
end