/**
* Merge this QueryBuilder's GROUP BY into the given QueryBuilder.
*
* @param QueryBuilder $QueryBuilder to merge into
* @return QueryBuilder
*/
public function mergeGroupByInto(QueryBuilder $QueryBuilder)
{
foreach ($this->groupBy as $currentGroupBy) {
$QueryBuilder->groupBy($currentGroupBy['column'], $currentGroupBy['order']);
}
return $QueryBuilder;
}
