/**
* Load collection
*
* @param bool $printQuery
* @param bool $logQuery
* @return $this
*/
public function load($printQuery = false, $logQuery = false)
{
if ($this->isLoaded()) {
return $this;
}
parent::load($printQuery, $logQuery);
$this->_setIsLoaded();
if ($this->_columnGroupBy !== null) {
$this->_mergeWithEmptyData();
$this->_groupResourceData();
}
return $this;
}