lib/eMapper/Fluent/Query/FluentSelect.php
public function groupBy($groupBy) {
		if (is_array($groupBy))
			$this->groupByClause = $groupBy;
		else
			$this->groupByClause = func_get_args();
		return $this;
	}
public function groupBy($groupBy) {
		if (is_array($groupBy))
			$this->groupByClause = $groupBy;
		else
			$this->groupByClause = func_get_args();
		return $this;
	}
public function groupBy ( $ groupBy ) { if ( is_array ( $ groupBy ) ) $ this -> groupByClause = $ groupBy ; else $ this -> groupByClause = func_get_args ( ) ; return $ this ; }
Sets group by clauses
@return \eMapper\Fluent\Query\FluentSelect
Sets group by clauses