class AddIndexForProjectsName < ActiveRecord::Migration def self.up add_index :projects, [:name, :owner_id, :owner_type], :unique => true, :case_sensitive => false add_index :project_imports, :name, :unique => true, :case_sensitive => false end def self.down remove_index :projects, [:name, :owner_id, :owner_type] remove_index :project_imports, :name end end