Compatible::joinUncompletedActivityTable

private function joinUncompletedActivityTable(QueryParams $params, Query $query): void
{
	$referenceFilter = (new ConditionTree())
		->whereColumn('ref.ENTITY_ID', 'this.ID')
		->where('ref.ENTITY_TYPE_ID', new SqlExpression($params->entityTypeId()));

	if ($params->useActivityResponsible())
	{
		$this->responsibleFilter->apply($referenceFilter, $params->userParams(), 'ref.RESPONSIBLE_ID');
	}
	else
	{
		$referenceFilter->where('ref.RESPONSIBLE_ID', new SqlExpression('?i', 0)); // 0 means "All users"
	}

	$query->registerRuntimeField(
		'',
		new ReferenceField('B',
			EntityUncompletedActivityTable::getEntity(),
			$referenceFilter,
			['join_type' => Join::TYPE_LEFT]
		)
	);
}