cirandas.net

ref: master

db/migrate/20130605135210_change_article_published_at_from_date_to_datetime.rb


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class ChangeArticlePublishedAtFromDateToDatetime < ActiveRecord::Migration
  def self.up
    change_column :articles, :published_at, :datetime
  end

  def self.down
    change_column :articles, :published_at, :date
  end
end