Rails - Apr 2006 - Problem with paginate and conditions

Hi!

I have a search form that calls search action, which executes paginate 
method with many conditions using data from the form.

Now if all results don''t fit into a single page, do i have to send all 
conditions again to paginate method in link_to previous/next?
If yes, how? All my parameters from the search form are inside a 
(nested) hash called ''form'' so i tried to do something like
this:
@form = params[:form]

and later in the view pass it in
link_to ''next'', {:page => ..., :form => @form}

but i get all parameters in the url one after another 
(var1value1var2value2) and not like this: ?var1=value1&var2=value2.


Another thing: if i get a hash from params as controller only variable
form = params[:form]
i can do
form[:typ].keys
but if i get it into @form variable, and try
@form[:typ].keys
it throws error about nil object, where array is expected. What''s
wrong?



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Ok i figured out that it was rather stupid to pass nested hash in url :)

But is there a smart way to pass conditions parameters for paginate, so 
i
won''t have to manually pass 5 or more paramters in link_to
next/previous
and paginatation_links? Is it possible to somehow cache the sql query, 
so it will be reused or something like that?

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