On 8/30/05, Kevin Aebig <[EMAIL PROTECTED]> wrote: > Using a count makes that query completely useless. It can't be reused, nor > does it return anything of relevance. Which means its sole purpose is to > bring back a single number...
What makes you think that in a given circumstance, that the single number returns is of no relevance? Obviously it may or may not be...but to make a blanket generalization that using a COUNT() aggregate function to return a number of records is always useless is (IMHO) incorrect. If I just need a count, why would i want to return a recordset? > -----Original Message----- > From: Mark A Kruger [mailto:[EMAIL PROTECTED] > Sent: August 30, 2005 10:38 AM > To: CF-Talk > Subject: RE: CF Test > > Kevin, > > This is not a pointless query > > > <CFQUERY NAME="test" DATASOURCE="test"> > SELECT Count(*) AS total > FROM TestTable > </CFQUERY> > > You would NOT want to select all the records in a table if all you wanted > was the total. Otherwise you are bringing in the whole kit and caboodle and > then just discarding the rows in favor of the meta data. It's a hit on the > DB, the web server memory and network traffic - particularly for large > recordsets. > > -Mark > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Logware (www.logware.us): a new and convenient web-based time tracking application. Start tracking and documenting hours spent on a project or with a client with Logware today. Try it for free with a 15 day trial account. http://www.houseoffusion.com/banners/view.cfm?bannerid=67 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:216809 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
