Storm\Drivers\Base\Relational\Relations\ToManyRelation::GroupRelatedRowsByParentKeys PHP Метод

    protected function GroupRelatedRowsByParentKeys(array &$MappedRelatedRows, ForeignKey $ForeignKey, array $ParentRows, array $RelatedRows)
    {
        $ReferencedColumns = $ForeignKey->GetReferencedColumns();
        $ParentColumns = $ForeignKey->GetParentColumns();
        $GroupedRelatedRows = $this->GroupRowsByColumnValues($RelatedRows, $ParentColumns);
        $this->MapParentRowKeysToGroupedRelatedRows($MappedRelatedRows, $ParentRows, $ReferencedColumns, $GroupedRelatedRows);
    }