bedo f9f6e6d7e6 mention: Optimize query when mentioning several groups. ...

Fixes: #32934

context:
Fetching all users who are members (directly or via sub-groups)
of groups mentioned in one message.

Reduce O(n) queries, where n is the number
of mentioned groups, to a constant of 1 query.

Extend "get_recursive_subgroups_for_groups" functionality to
"get_root_id_annotated_recursive_subgroups_for_groups"
which is the same but keeps track of each group root_id and
annotates it to each group.

Then in init_user_group_data(), we only fetch
each group's root_id along with
active direct members.

2025-01-28 10:29:40 -08:00

40 KiB

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