text: //http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-has-child-query.html
  
  var ESQ = require('../esq');
  var esq = new ESQ();
  
  esq.query('has_child', 'type', 'blog_tag');
  esq.query('has_child', 'query', 'term', { tag: 'something' });
  console.log(JSON.stringify(esq.getQuery(), null, 2));
  
  esq = new ESQ();
  esq.query('has_child', 'type', 'blog_tag');
  esq.query('has_child', 'score_type', 'sum');
  esq.query('has_child', 'query', 'term', { tag: 'something' });
  console.log(JSON.stringify(esq.getQuery(), null, 2));
  