+ if Keyword.get(options, :prune_orphaned_activities) do
+ # Prune activities who link to a single object
+ """
+ delete from public.activities
+ where id in (
+ select a.id from public.activities a
+ left join public.objects o on a.data ->> 'object' = o.data ->> 'id'
+ left join public.activities a2 on a.data ->> 'object' = a2.data ->> 'id'
+ left join public.users u on a.data ->> 'object' = u.ap_id
+ where not a.local
+ and jsonb_typeof(a."data" -> 'object') = 'string'
+ and o.id is null
+ and a2.id is null
+ and u.id is null
+ )
+ """
+ |> Repo.query([], timeout: :infinity)
+
+ # Prune activities who link to an array of objects
+ """
+ delete from public.activities
+ where id in (
+ select a.id from public.activities a
+ join json_array_elements_text((a."data" -> 'object')::json) as j on jsonb_typeof(a."data" -> 'object') = 'array'
+ left join public.objects o on j.value = o.data ->> 'id'
+ left join public.activities a2 on j.value = a2.data ->> 'id'
+ left join public.users u on j.value = u.ap_id
+ group by a.id
+ having max(o.data ->> 'id') is null
+ and max(a2.data ->> 'id') is null
+ and max(u.ap_id) is null
+ )
+ """
+ |> Repo.query([], timeout: :infinity)
+ end
+
+ """