Method OnlyID

pkg/database/ent/machine_query.go:161–175

OnlyID is like Only, but returns the only Machine ID in the query. Returns a *NotSingularError when more than one Machine ID is found. Returns a *NotFoundError when no entities are found.

(ctx context.Context)

// Returns a *NotSingularError when more than one Machine ID is found.
// Returns a *NotFoundError when no entities are found.
func (_q *MachineQuery) OnlyID(ctx context.Context) (id int, err error) {
	var ids []int
	if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
		return
	}
	switch len(ids) {
	case 1:
		id = ids[0]
	case 0:
		err = &NotFoundError{machine.Label}
	default:
		err = &NotSingularError{machine.Label}
	}
	return
}

// OnlyIDX is like OnlyID, but panics if an error occurs.
func (_q *MachineQuery) OnlyIDX(ctx context.Context) int {