Hi Adam,
  Thanks for your reply. I am doing pagination like this now since I found
that using index to do searching from a range of record is quite fast, much
faster than I thought before. So I just use your suggested solution.


2008/11/30 Adam Ruggles <[EMAIL PROTECTED]>

>
> Personally I think it would be a bad idea to buffer the data from the db,
> since most users when performing a search will only look at the first page
> of results.  It would be better to simply return a limited set of results
> from the DB.  Otherwise you might be fetching data the user will never see.
>
> What I usually do is create an object that stores a list of the current
> result set and the total number of results.  This object I create in the
> data layer and requires two db calls.  One to get a limited list of results
> and the second to get the total item count.
>
> In the action I have an offset and resultsPerPage variable that I pass to
> my
> data layer.  I don't know what database you're using but most allow you to
> limit the results, using an offset and number of results.
>
>
> KE LI-2 wrote:
> >
> > Dear All,
> > I am currently working on pagination to the result of search result. I
> > want to ask which solution is better?
> > 1. After user chooses some criterias and then clicks the search
> > button, the server will return the size of search result and the
> > objects of first page of the search result. Then when user clicks the
> > different page number, the server will get the data for that page from
> > DB. But for this solution, it requires DB access when you click the
> > page number.
> >
> > 2.After user clicks the search button, the server will get all the
> > objects(like all the films which the user wanna.). Then when user
> > clicks different page number, the server will just return the data
> > from memory. This seems to reduce the DB access times.
> >
> > 3. Use some preload method to store the data for the next few pages in
> > a buffer.
> >
> > Which solution will achieve a fast search and reduce the access load
> > to the DB?
> >
> > Thanks a lot for your feedback!
> >
> > Li, Ke (Licco)
> >
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-- 
Best Regards,
Licco

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