/**
  * help $this->queryBuilder to construct a PHQL object
  * apply sort params and return query object
  *
  * @param \Phalcon\Mvc\Model\Query\BuilderInterface $query            
  * @return \Phalcon\Mvc\Model\Query\BuilderInterface $query
  */
 public function querySortHelper(\Phalcon\Mvc\Model\Query\BuilderInterface $query)
 {
     // process sort
     $rawSort = $this->searchHelper->getSort('sql');
     // detect the correct name space for sort string
     // notice this might be a fieldname with a sort suffix
     $fieldBits = explode(':', $rawSort);
     if (count($fieldBits) > 1) {
         // isolate just the field name
         $fieldName = $fieldBits[0];
         $suffix = $fieldBits[1];
         $preparedSort = $this->prependFieldNameNamespace($fieldName) . '.' . $suffix;
     } else {
         $preparedSort = $this->prependFieldNameNamespace($rawSort);
     }
     if ($preparedSort != false) {
         $query->orderBy($preparedSort);
     }
     return $query;
 }
 /**
  * help $this->queryBuilder to construct a PHQL object
  * apply sort params and return query object
  *
  * @param \Phalcon\Mvc\Model\Query\BuilderInterface $query            
  * @return \Phalcon\Mvc\Model\Query\BuilderInterface $query
  */
 public function querySortHelper(\Phalcon\Mvc\Model\Query\BuilderInterface $query)
 {
     // process sort
     $rawSort = $this->searchHelper->getSort('sql');
     // by default, use the local namespace
     $preparedSort = $this->prependFieldNameNamespace($rawSort);
     if ($preparedSort != false) {
         $query->orderBy($preparedSort);
     }
     return $query;
 }