each_current_configuration

# File activerecord/lib/active_record/tasks/database_tasks.rb, line 218
      def each_current_configuration(environment)
        environments = [environment]
        # add test environment only if no RAILS_ENV was specified.
        environments << 'test' if environment == 'development' && ENV['RAILS_ENV'].nil?

        configurations = ActiveRecord::Base.configurations.values_at(*environments)
        configurations.compact.each do |configuration|
          yield configuration unless configuration['database'].blank?
        end
      end