Dynamic if has a performance penalty associated with it. Is there a reason you don't want to use normal conditional processing?
> -----Original Message----- > From: Josh Nathanson [mailto:[EMAIL PROTECTED] > Sent: Friday, July 21, 2006 3:41 PM > To: CF-Talk > Subject: iif: am I understanding correctly? > > I have some code that loops over a list of fields to cfparam some > attributes. The idea is, if the query (getCust) returns a record, set the > attribute to the query.column value; if no record, set the attribute to > null. After some hacking around I got it to work as desired, but I don't > quite understand how. > > <cfset fieldlist = > "Customer_ID,FirstName,LastName,Email,Address1,Address2,City,State,State2, > Zip,Country,Phone"> > <cfloop list="#fieldlist#" index="i"> > <cfset temp = iif(didquery and didfind, "getCust.#i#", DE(""))> > <cfparam name="attributes.#i#" default="#temp#"> > </cfloop> > > What I don't get is how iif works. It seems to do the following: > - Doesn't evaluate "getCust.#i#" when the page is compiled > - Assuming the iif conditional evaluates true, when the list is looped, > first evaluates just the "#i#" in "getCust.#i#" to return the proper field > name, then evaluates the variable "getCust.FirstName" (for example) to > return the correct value. So there is sort of a double evaluation going > on. > > Am I understanding iif correctly or does someone have a better explanation > as to how it works. The docs are kind of hard to fathom. > > -- Josh > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Introducing the Fusion Authority Quarterly Update. 80 pages of hard-hitting, up-to-date ColdFusion information by your peers, delivered to your door four times a year. http://www.fusionauthority.com/quarterly Archive: http://www.houseoffusion.com/cf_lists/message.cfm/forumid:4/messageid:247355 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
