On 11 Sep 2008, at 10:07, Hongli Lai wrote:
> > On Sep 10, 1:14 pm, Frederick Cheung <[EMAIL PROTECTED]> > wrote: >> Yeah, I chatted to Koz about it. I'm planning to play around with >> identity maps and stuff like that in conjunction with that (not >> that I >> have very definite plans - more of a lets toss all these things in >> the >> air and see what happens :-) ) >> >> >> >>> Ah wait, I just realized that such a proxy could be useful in very >>> large result sets. The proxy could only fetch a small amount into >>> memory at a time, e.g. by using cursors. >> >> That's certainly a thought (but I have to confess ignorance as far as >> cursors go, beyond the dictionary definition) > > http://www.postgresql.org/docs/8.1/static/plpgsql-cursors.html > thanks > On the other hand, I don't know what identity maps are. :) Quite simple in theory - don't have more than one instance of an activerecord object per row in the database. Plenty of edge cases in practise :-) Fred --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/rubyonrails-core?hl=en -~----------~----~----~----~------~----~------~--~---
