Actually, you're not. You're using components (like Class::DBI and Template::ToolKit) to create a custom application. The particular wheel in question is supplied, in your case, by Class::DBI. The OP was discussing how to code the functionality provided by Class::DBI, which you are intelligently using. :-)

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We are the carpenters and bricklayers of the Information Age.

The idea is a little like C++ templates, except not quite so brain-meltingly complicated. -- TheDamian, Exegesis 6

Please remember that I'm crufty and crochety. All opinions are purely mine and all code is untested, unless otherwise specified.