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MetaQuerier is a plugin for Ruby on Rails that once installed infer the structure of the database and application models Rails. Allows queries, parameterized queries saved for later use and view the database structure. not require any configuration (except that you have installed and want
ActsAsAuthenticated
disable). To install run:

script / plugin install svn: / / rubyforge.org / var / svn / meta-rails / plugins / meta_querier

Prerequisites are having a version of Ruby on Rails greater than or equal to 1.2.0 (and have enabled you'll find constant RAILS_GEM_VERSION / config / environment.rb) or otherwise, have installed the plugin engines. Once installed

 can create queries (queries), accessing the driver / meta_querier (eg http://localhost:3000/meta_querier  ) 

Save them parameterized (Save):
View a list
of the queries that exist (List):


Run queries (Run):



As you can see this plugin can be very interesting to generate management screens or screens of listings with minimal effort. MetaRails part of the project that aims to make Ruby on Rails even more Do not Repeat Yourself.
work needs to be done, but before proceeding I would like to stabilize the current code. If you are interested you can help instalándote the plugin, testing if it works and send us your feedback.

More information:
Project page:
http://meta-rails.rubyforge.org