Pipe the changfeed of a table in the same table.

gistfile1.js

// Require the current branch [next] of rethinkdbdash (probably 1.16.5) 
var r = require('rethinkdbdash')();

// Set up the infinite domino effect
r.table('test').changes()('new_val').without('id').toStream()
  .on('error', handleError)
  .pipe(r.table('test').toWritableStream())
  .on('error', handleError);

// Start the domino effect
r.table('test').insert({"hello": "world"});