Yeah, the source is pretty readable though for most things, I've been doing searches through it when I have questions.
The API is available here to. http://rdoc.info/projects/datamapper/dm-core We should add FAQs to the wiki or something. -Kevin On Jul 7, 7:22 am, Yuri Smirnov <[email protected]> wrote: > Oh, you are right, update! works just fine. Datamapper really lacks for > documentation :( > > 2010/7/7 Martin Gamsjaeger <[email protected]> > > > > > Yuri, > > > I *think* that Model.all(:id => 0..5000).update(params) issues 5000 > > queries because you're using the "safe" version of update() which > > executes callbacks and validations. > > > Model.all(:id => 0..5000).update!(params) > > > Notice the bang (!) in update!(params). This will skip callbacks and > > validations and should hopefully execute the queries you expect. Can > > you confirm that? > > > cheers > > snusnu > > > On Tue, Jul 6, 2010 at 20:02, Yuri Smirnov <[email protected]> wrote: > > > Is there any way to make an update to the model using conditions? > > > Model.update method always affects all rows in the database, so if i need > > > for example to update some property for entries with id 0..5000 i have to > > > use adapter.execute now. Model.all(:id => 0..5000).update(params) works > > but > > > it makes 5000 db queries instead of just one. So isn't this feature yet > > > implemented or i just didn't find it? > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "DataMapper" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<datamapper%2bunsubscr...@googlegrou > > > ps.com> > > . > > > For more options, visit this group at > > >http://groups.google.com/group/datamapper?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "DataMapper" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<datamapper%2bunsubscr...@googlegrou > > ps.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/datamapper?hl=en. -- You received this message because you are subscribed to the Google Groups "DataMapper" 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/datamapper?hl=en.
