On the ProDevTips blog, there's a new post showing how to bend the Zend_Db table component of the Zend Framework to your will and customize parts of it for your application.

For some time now I've been working on an administrative backend system. I quickly found the need to extend DB Table with more stuff than needed when I extended the Zend Framework, it's mostly convenience functions designed to reduce repetitive code snippets.

He illustrates with some of the custom override functions he's made including versions of updateOne, exists, fetchOne and fetchSomething.