Thanks for responses and José that code will be a good help.

In my case, parsing the query is quite trivial to extract a search string 
and the sort order,  which is all I needed just now.

After playing around more,  it seems to me that Web2py would be really 
improved with something like Datatables (as well as the sqlform grid).

   - For small datasets you can feed in all the data at once and use js 
   pagination and searching etc.  It's quick and avoids a lot of queries.
   - For large datasets,  the ajax interaction is great.


The number of queries that the sqlform grid produces is very inefficient,  
and that is why I have been experimenting with Datatables in the first 
place.

Indeed Datatables seems to fit really well with Massimo's ideas for the 
future (I mean making better use of the client-side and reducing 
bandwidth).  

Best regards.


-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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