class MoveDomainToSecdomain < ActiveRecord::Migration def up Secdomain.transaction do #将组织中的子域名迁移至secdomains表 # Organization.where("domain is not null").each do |org| # Secdomain.create(sub_type: 2, subname: org.domain, pid: org.id) # end #remove_column :organizations, :domain end end def down end end