How do I find a MySQL ENUM-type column definition in Ruby?

How do I find a MySQL ENUM-type column definition in Ruby?

References

Reference NO 1

http://stackoverflow.com/questions/13589402/how-do-i-find-a-mysql-enum-type-column-definition-in-ruby

Reference NO 2

http://stackoverflow.com/questions/10842755/rails3-defining-enum-and-using-it-as-a-custom-type-for-db-column

Reference NO 3

http://blog.centresource.com/2011/06/22/simulating-the-enum-mysql-column-type-in-rails/

Reference NO 4

http://tribes.tribe.net/rubyonrails/thread/3a550d0b-c096-4618-a979-8654a56f8b38

Reference NO 5

http://jonathanhui.com/ruby-rails-3-model

Reference NO 6

http://apidock.com/rails/ActiveRecord/ConnectionAdapters/SchemaStatements/change_column

Reference NO 7

http://rohitsharma9889.wordpress.com/2010/08/27/enumeration-type-column-in-ruby-on-rails/

Reference NO 8

http://www.sitepoint.com/forums/showthread.php?62600-How-to-use-a-mySQL-ENUM-type-field-to-Populate-an-HTML-drop-down-list