UPDATE-OBJECTS-JOINS — Updates joined slots of objects.Function
objects
A list of instances of a View Class.
slots
A list of slot names in object
or T
.
force-p
A Boolean, defaulting to T
.
class-name
A list of instances of a View Class.
max-len
A non-negative integer or NIL
defaulting to
*default-update-objects-max-len*.
Updates from the records of the appropriate database
tables the join slots specified by slots
in the supplied list of View
Class instances
objects
. slots
when T
means that all join slots with
:retrieval :immediate are
updated. class-name
is used to specify
the View Class of
all instance in objects
, when NIL
then
the class of the first instance in
objects
is
used. force-p
when T
means that all
join slots are updated whereas a value of NIL
means that only
unbound join slots are updated. max-len
when non-nil specifies that
update-object-joins
may issue multiple
database queries with a maximum of
max-len
instances updated in each query.
(defvar *addresses* (select 'deferred-employee-address :order-by [ea_join aaddressid] :flatp t)) => *ADDRESSES* (slot-boundp (car *addresses*) 'address) => NIL (update-objects-joins *addresses*) => (slot-boundp (car *addresses*) 'address) => T (slot-value (car *addresses*) 'address) => #<ADDRESS {480B0F1D}>