Plugins - ForceUppercase
Add to favoritesForceUppercase is a plugin that provides the capabilities to automagically convert all ActiveRecord column objects of type :string or :text to their uppercase (upcase) version, as long as they have content (nil values will remain nil).
The determination is made by querying all the columns of the AR model’s class for their type. Note that SQLLite returns type :string for SQL columns of type CHAR, VARCHAR, and TEXT.
http://wiki.rubyonrails.org/rails/pages/ForceUppercase+Plugin
svn://rubyforge.org/var/svn/force-uppercase
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