var pg = require('pg'),
    util = require('util');
var connectstring = 'pg://user:password@127.0.0.1/db1';

function getTheTime() {
  pg.connect(connectstring, function (err, client) {
    if (err) util.log('Error with pg.connect!'), util.log(util.inspect(err));
    else client.query('SELECT now() as when', function (err, result) {
      if (err) util.log('Error with client.query!'), util.log(util.inspect(err));
      else util.log('The postres time is: ' + result.rows[0].when);
    });
  });
}

getTheTime();

31 Oct 13:24:35 - Error with client.query!
31 Oct 13:24:35 - { [error: invalid string in message]
  length: 100,
  name: 'error',
  severity: 'ERROR',
  code: '08P01',
  detail: undefined,
  hint: undefined,
  position: undefined,
  internalPosition: undefined,
  internalQuery: undefined,
  where: undefined,
  file: '.\\src\\backend\\libpq\\pqformat.c',
  line: '636',
  routine: 'pq_getmsgstring' }