class AddCourseidToEnabledModules < ActiveRecord::Migration def change add_column :enabled_modules, :course_id, :int EnabledModule.where('project_id IN (SELECT id FROM projects WHERE project_type=1)').update_all("course_id = project_id") EnabledModule.where('project_id IN (SELECT id FROM projects WHERE project_type=1)').update_all(project_id: -1) #EnabledModule.all.each do |enablemodule| # project = Project.find_by_id(enablemodule.project_id) # if project && project.project_type == 1 # enablemodule.course_id = enablemodule.project_id # enablemodule.project_id = -1 # enablemodule.save # end #end end end