Glad it helped. Also dont forget u.can cache the original primary key query too.
Regards Russ Michaels www.michaels.me.uk www.cfmldeveloper.com - Free CFML hosting for developers www.cfsearch.com - CF search engine On Jan 5, 2013 10:39 PM, <> wrote: > > >>2. Only query the primary keys, and then loop over that list grabbing x > records at a time and doing a new query to get all rows for those keys. > > This is a pretty good method. > I tested it on a database containing about 450000 records with a seach > template. > I give a very loose criterion on purpose, the query takes 53 sec and > returns 44500 records. > This is ridiculous since the user will only see ten records at a time, > using startRow and maxRows in a CFOUTPUT. > And for the next page, it takes another 50sec :-( > A certain amount of time is also taken by CFX_highlight which highlights > every occurence of the search string, > again in the 44500 records! > > With this method, the query returns only the 10 records needed, and it > takes about 5 sec the first time and 3 sec any subsequent times. > And the CFX_highlight is applied on only 10 records at a time. A big > difference. > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:353791 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
