protected function augmentSelect(PdoDataSet $select)
 {
     $select = $select->from(Model::tableFor($this->foreignClass))->innerJoin(Model::tableFor($this->localClass), Model::primaryKeyFor($this->foreignClass), Model::tableFor($this->localClass) . '.' . $this->foreignKey);
     $select->rowClass = $this->foreignClass;
     return $select;
 }
 protected function augmentSelect(PdoDataSet $select)
 {
     if (!isset($this->through)) {
         $relatedClass = $this->foreignClass;
     } else {
         $relatedClass = $this->through;
     }
     $relatedTable = Model::tableFor($relatedClass);
     $localTable = Model::tableFor($this->localClass);
     $foreignKey = $relatedTable . '.' . $this->foreignKey;
     $primaryKey = Model::primaryKeyFor($this->localClass);
     $select = $select->from($relatedTable)->innerJoin($localTable, $foreignKey, $primaryKey);
     $select->rowClass = $relatedClass;
     if (!isset($this->through)) {
         return $select;
     } else {
         $select = $select->distinct();
         $relationship = $this->name;
         return $select->{$relationship}();
     }
 }