# File lib/jdbc_adapter/jdbc_postgre.rb, line 6
    def postgresql_connection(config)
      config[:host] ||= "localhost"
      config[:port] ||= 5432
      config[:url] ||= "jdbc:postgresql://#{config[:host]}:#{config[:port]}/#{config[:database]}"
      config[:driver] ||= "org.postgresql.Driver"
      jdbc_connection(config)
    end