code: @Override
    public QParser createParser(String qstr, SolrParams localParams,
        SolrParams params, SolrQueryRequest req) {
      return new MtasCQLQParser(qstr, localParams, params, req);
    }
docs: /*
  (non-Javadoc)
  
  @see org.apache.solr.search.QParserPlugin#createParser(java.lang.String,
  org.apache.solr.common.params.SolrParams,
  org.apache.solr.common.params.SolrParams,
  org.apache.solr.request.SolrQueryRequest)