create

# File activerecord/lib/active_record/tasks/postgresql_database_tasks.rb, line 13
      def create(master_established = false)
        establish_master_connection unless master_established
        connection.create_database configuration['database'],
          configuration.merge('encoding' => encoding)
        establish_connection configuration
      rescue ActiveRecord::StatementInvalid => error
        if /database .* already exists/ === error.message
          raise DatabaseAlreadyExists
        else
          raise
        end
      end