"Paging" in SP

I need to searches through records using Full Text Indexing. A search often
returns hundreds of records, and need the user to be able to page through
the result 50 at a time. I *ALSO* need the user to know the first and last
record of each page! (..On the client, i render a list of all pages in the
resultset, and add labels to each page, indicating to the user where in the
resultset the page is positioned).
I have therefor done an SP that inserts my initial search into an in-memory
table. After that i loop through all the records from my initial search, and
insert every 50th record into a different in-memory table. That allows me to
return a resultset with a) the first page of records (first 50 records), and
a table with a complete list of pages.
However, it has come to my attention that my loop through my initial
resultset is taking a lot of performance. So basically, my question is:
i have a large resultset in memory. I need to "sample" records from this,
eg. every 50th record. What would be the fastest way of doing this?
Cheers,
/Thomas.
You are using the wrong approach for this.
Here is some sample code that uses asp and getrows.
Approaches like the one you are using do not offer the best performance.
Check out
http://www.adopenstatic.com/experime...dsetpaging.asp
for more information.
Hilary Cotter
Looking for a SQL Server replication book?
http://www.nwsu.com/0974973602.html
"Thomas Nielsen [AM Production A/S]" <jack_pot_dk@.h0tmail.com> wrote in
message news:%23rHETFErEHA.2796@.TK2MSFTNGP10.phx.gbl...
> I need to searches through records using Full Text Indexing. A search
often
> returns hundreds of records, and need the user to be able to page through
> the result 50 at a time. I *ALSO* need the user to know the first and last
> record of each page! (..On the client, i render a list of all pages in the
> resultset, and add labels to each page, indicating to the user where in
the
> resultset the page is positioned).
> I have therefor done an SP that inserts my initial search into an
in-memory
> table. After that i loop through all the records from my initial search,
and
> insert every 50th record into a different in-memory table. That allows me
to
> return a resultset with a) the first page of records (first 50 records),
and
> a table with a complete list of pages.
> However, it has come to my attention that my loop through my initial
> resultset is taking a lot of performance. So basically, my question is:
> i have a large resultset in memory. I need to "sample" records from this,
> eg. every 50th record. What would be the fastest way of doing this?
> Cheers,
> /Thomas.
>
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end
|||Thomas,
Take a look at a sample script I wrote for paging resultsets:
http://www.sqlservercentral.com/scri...tions/1233.asp
"Hilary Cotter" <hilary.cotter@.gmail.com> wrote in message
news:%23CbZeXGrEHA.332@.TK2MSFTNGP14.phx.gbl...
> You are using the wrong approach for this.
> Here is some sample code that uses asp and getrows.
> Approaches like the one you are using do not offer the best performance.
> Check out
> http://www.adopenstatic.com/experime...dsetpaging.asp
> for more information.
>
> --
> Hilary Cotter
> Looking for a SQL Server replication book?
> http://www.nwsu.com/0974973602.html
>
> "Thomas Nielsen [AM Production A/S]" <jack_pot_dk@.h0tmail.com> wrote in
> message news:%23rHETFErEHA.2796@.TK2MSFTNGP10.phx.gbl...
> often
> the
> in-memory
> and
> to
> and
>
>