num_users counts the number of users that have ever existed, but should be the total number of enabled users

[Linuxfabrik]

num_users counts the number of users who have ever been active on a nextcloud instance - even after they have been deactivated or even deleted:

$query->selectAlias($query->createFunction('COUNT(*)'), 'num_entries')
	->from('preferences')
	->where($query->expr()->eq('configkey', $query->createNamedParameter('lastLogin')));

In terms of monitoring user activities, this value makes no sense at all: I want to see how many users out of my total number of enabled users were active in the last 5 minutes / 60 minutes / 24 hours.