Re: AW: quick retrieval help

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thanks. great. it seems easy now i understand it. do you expect to use this a
lot and that it will give you app a nice performance boost?  

--- Hartmaier Alexander <Alexander.Hartmaier@xxxxxxxxx.xx> wrote:

> Yes that's the point ;-)
> Works as expected, thanks Aleksandr!
> 
> -Alex
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: Peter Speltz [mailto:peterspeltz@xxxxx.xxx] 
> Gesendet: Freitag, 14. Januar 2005 09:07
> An: class dbi list
> Betreff: Re: quick retrieval help
> 
> 
> > >  
> > >
> > Most probably you're talking about:
> > 
> > my @interfaces = map NAC::Interface->construct($_), 
> > $sth_int_down->fetchall_hash;
> > foreach (@interfaces) {
> >     print $_->id
> > }
> > 
> 
> I have never understood this construct method and have been wanting too for a
> while. Can someone tell me if this is a accurate undertanding?
> 
> construct takes a hash and turns it into an object. You execute a sql
> statement
> to retrieve the data efficiently-- joins and all that -- so that several
> queries are not executed to create the objects as happens typically when an
> object has_a and has_many things. So something like the above example can be
> much faster than a simple retrieve_all. 
> 
> Is that on target?
> 
> thanks.
> 
> =====
> pjs
> 
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=====
pjs


		
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