create

# File activerecord/lib/active_record/tasks/postgresql_database_tasks.rb, line 17
      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 error.cause.is_a?(PG::DuplicateDatabase)
          raise DatabaseAlreadyExists
        else
          raise
        end
      end