CF key_range_slice demo

key_range_slice.js

var helenus = require('helenus');

pool = new helenus.ConnectionPool({
  hosts      : ['localhost:9160'],
  keyspace   : 'segmentio',
  timeout    : 3000
});

pool.on('error', function(err){
  console.error(err.name, err.message);
});

pool.connect(function(err, keyspace){
  if(err)
    throw err;

  keyspace.get('Projects', function (err, cf) {

    if (err)
      throw err;

    var numProjects = 0;

    var stream = cf.getRange(); // accepts { start : startKey, end : endKey }

    stream.on('data', function (data) { numProjects += 1; });

    stream.on('end', function () { console.log('Found', numProjects, 'project'); });
  });
});