Rails и схемы Postgres

class CreateMyRelation < ActiveRecord::Migration
  def up
    execute "CREATE SCHEMA myschema"
    create_table 'myschema.my_relations' do |t|
      t.string :test_field
      t.timestamps
    end
  end

  def down
    drop_table 'myschema.my_relations'
    execute "DROP SCHEMA myschema"
  end
end