Wow, I finally got it!!! :-) Thanks, Carl On 3/24/2011 1:27 PM, Brian Kotek wrote: > That's correct. > > On Thu, Mar 24, 2011 at 4:18 PM, Carl Von Stetten > <vonner.li...@vonner.net>wrote: > >> I'm trying to wrap my head around this, so please excuse me for jumping >> in. If I understand this correctly, the query result is an object >> placed in memory when execution is complete, and variables.qry is merely >> a pointer to that object. When the<cfset session.myQry = >> variables.qry> is executed, a second pointer to the query object is >> created, in the session scope. When page execution completes, the >> variables.qry pointer disappears (and I assume is garbage collected at >> some point), but because the session.myQry pointer still exists in the >> session scope, the query object remains in memory instead of being >> garbage collected. Once the session times out, assuming there are no >> other pointers to the query object existing, it would then be garbage >> collected. >> >> Is this a correct understanding, or am I completely off my rocker? >> Thanks, >> Carl >> >> On 3/24/2011 12:59 PM, Brian Kotek wrote: >>> All complex data types are always passed by reference. Where you set them >>> makes no difference. (Except arrays, which are passed by value due to a >>> staggeringly poor decision eons ago.) >>> >>> >>> On Thu, Mar 24, 2011 at 3:49 PM, Eric Cobb<cft...@ecartech.com> wrote: >>> >>>> I know that complex data types (structs, CFCs, queries, COM/JavaObjects, >>>> etc...) are passed by reference, not by value. But I'm wondering how >>>> that works when storing them in the session scope. >>>> >>>> For example, let's say I have a query that returns a really large result >>>> set, and after that query runs I store the query results as a variable >>>> in the session scope. >>>> >>>> <cfquery name="variables.qry"> >>>> select * >>>> FROM bigTable >>>> </cfquery> >>>> >>>> <cfset session.myQry = variables.qry> >>>> >>>> Would the above code just create a reference to the result set already >>>> in memory, or would it actually create a copy of the results in the >>>> session? >>>> In a similar scenario, what would happen if I had a CFC object stored in >>>> the session, then passed my query results to it to be stored in that >>>> CFCs "variables" scope? >>>> >>>> <cfquery name="variables.qry"> >>>> select * >>>> FROM bigTable >>>> </cfquery> >>>> >>>> <cfset session.myCFC.blah(variables.qry)> >>>> >>>> -- >>>> >>>> Thanks, >>>> >>>> Eric Cobb >>>> http://www.cfgears.com >>>> Help me make a difference this summer. http://bit.ly/i8dJvQ >>>> >>>> >>>> >>>> >>>> >> >
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