public function from($table, $columns = null) {
		$this->_criteria->setModelName($table);
		
		if ($columns !== null) {
			$this->_criteria->columns($columns);
		}
		
		return $this;
	}
public function from($table, $columns = null) {
		$this->_criteria->setModelName($table);
		
		if ($columns !== null) {
			$this->_criteria->columns($columns);
		}
		
		return $this;
	}
public function from ( $ table , $ columns = null ) { $ this -> _criteria -> setModelName ( $ table ) ; if ( $ columns !== null ) { $ this -> _criteria -> columns ( $ columns ) ; } return $ this ; }
From which table or collection

@param  string | array $table
@param  string | array $columns
@return PhalconCriteria
From which table or collection