Sketch of graph search API for ent

ent_bfs_api.go

	// Find all the supervisors (and their supervisors,
	// and their supervisors and so on) of someUser 
	// who work in billing.
	//
	// someUser is the base case of WITH RECURSIVE
	someUser.SearchSupervisors().
		Where(user.OrganizationalUnit("billing")).
		// no duplicates in the result (UNION ALL) and the
		// search will terminate even if there are cycles
		// in the graph
		NoDuplicates().
		AllX(ctx)


	// Find all users in Finland who have subordinates,
	// then find all their subordinates (and their
	// subordinates etc etc) in Finland and who work
	// in R&D.
	//
	// Base case is multiple users. Note that base case
	// results will be included in the final result
	client.User.Query().
		Where(user.Country("fi"), user.HasSubordinates()).
		SearchSubordinates().
		Where(user.Country("fi"),
			user.OrganizationalUnit("r&d")).
		NoDuplicates().
		AllX(ctx)