On 1/30/07 7:16 PM, Jonathan Vanasco wrote:
>> Every call to find_prices() goes back to the database to get new rows.
>> Those rows are returned, not saved in the parent object ($p) at all.
>
> what about temp_find , return_only_find , or something else in the
> name to reflect that the results aren't saved ?
>
> or maybe just require an argument like 'return_only => 1' or
> something similar,
>
> my main concern is for people who are looking at other's code , or
> haven't touched rose in a while , will know that nothing is saved by
> this operation.
Given that this method will always be called with arguments, and that those
arguments can change per-call, how can there be any expectation that the
results will be saved internally? How would such a feature even work?
The whole point of the find method is to allow ad hoc queries. Think of it
as a Manager call with the query parameters that link one object to another
being implied, rather than explicitly visible in the args.
If someone wants to keep the results of a find method call around for a
while, they certainly have the means to do so by...keeping the results
around for a while! :)
# Keep @prices around until it's no longer needed
@prices = $p->find_prices(...);
If there exists a well-defined set of related objects that you want to be
able to keep inside the parent object, just create a relationship with all
the parameters that define this set, then use the usual get_set_on_save
method.
-John
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