I think an example may explain what I am talking about. I have a CFC that has a data structure that contains one or more queries of demographic data about a person based on their role(s). For example a person may be a donor and a mobile chair person. Thus the structure would contain two queries, a donor query and a mobile query {basicData.donor, basicData.Mobile}. Now to retrieve this data and use it I have a function that returns one of these queries based on the role requested. This is pretty easy: <cfreturn basicData[role]>.
It occurs to me though that I should probably error catch that the role passed to the function actually exists and if not return an appropriate error, but how do I do this. The place I get lost at is the function returning the data has been designed to expect to return a query {<cffunction name="displayBasicData" access="public" output="false" returntype="query...>}. So if I place code there to capture and return an error how would I do this with the function expecting to return a query? obviously I could not declare the return type and/or allow output in the function but neither of these seem very proper to me!
Thanks for your expertise.
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Ian Skinner
Web Programmer
BloodSource
www.BloodSource.org
Sacramento, CA
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