On 3/16/07, Peter Boughton <[EMAIL PROTECTED]> wrote:
>
>
> Whilst this does prevent you from caching queries using the built-in
> attributes, it doesn't prevent you from caching them manually.
>
> eg: Something along the lines of this:
> <cfif NOT (StructKeyExists(Session,'Bob') AND DateDiff('h',
> Session.BobCreated, Now()) LT 1)>
> <cfquery name="Session.Bob">
> ...
> </cfquery>
> <cfset Session.BobCreated = Now()/>
> </cfif>
I've actually found that caching queries like that for VERY commonly used
queries can actually be a performance drain... For example, I used to load
our "code table" into the application scope. I used this code table all
over the web site.. anytime I needed to turn "MI" to "Michigan" or "010" to
"Athletics"... I'd run a simple udf... getAdvanceCode(tablid, tablkey) and
it would output the appropriate value.
But the code table itself is VERY large... 78,000 records
I found that querying the database directly actually took less time than
doing a query of queries... particularly when doing large numbers of such
queries.
Databases handle queries of large record sets far better than coldfusion
does.
Rick
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