add a hidden field with [] in them it will make the params create an array and put the ids of the paged record in them , then pass the array in a find and call sum on it.
f.hidden :things, thing.id[] then find(params[:things]) On Sat, Sep 11, 2010 at 5:45 AM, Fidel Viegas <[email protected]>wrote: > On 9/11/10, Frederick Cheung <[email protected]> wrote: > > > > > > On Sep 10, 7:50 pm, Fidel Viegas <[email protected]> wrote: > >> On 9/10/10, radhames brito <[email protected]> wrote: > >> > >> > AR has a sum function. > >> > >> Hi Radhames, > >> > >> I am aware of the sum function, but it does not do cumulative sum on > >> its own. I know how to do it using recursive queries or stored > >> procedures, but my question is how to deal with that using > >> will_paginate. > >> > >> I will try to read the api and see if I can tweak it. > >> > > > > The sum function takes conditions just like find does. Depending on > > what you are sorting on you should be able to construct the relevant > > conditions from the items will paginate fetches for you. > > For the problem in question that does not work. I read through the > documentation and found out that I could paginate_by_sql, which is > what I really needed. > > Thanks a lot!!!! > > Regards, > > Fidel. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<rubyonrails-talk%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" 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-talk?hl=en.
