DuplicateCriterion::getEntityIDs

public function getEntityIDs($entityTypeID, $rootEntityID, $userID, $enablePermissionCheck, array $options = null)
{
	if($entityTypeID !== \CCrmOwnerType::Lead
		&& $entityTypeID !== \CCrmOwnerType::Contact
		&& $entityTypeID !== \CCrmOwnerType::Company)
	{
		throw new Main\NotSupportedException("Entity type: '".\CCrmOwnerType::ResolveName($entityTypeID)."' is not supported in current context");
	}

	if(!is_array($options))
	{
		$options = array();
	}

	$query = static::createQuery();
	$query->addSelect('ENTITY_ID');
	$query->addFilter('=ENTITY_TYPE_ID', $entityTypeID);
	static::setQueryFilter($query, $this->getMatches());

	if($enablePermissionCheck)
	{
		$permissions = \CCrmPerms::GetUserPermissions($userID);
		$permissionSql = \CCrmPerms::BuildSql(
			\CCrmOwnerType::ResolveName($entityTypeID),
			'',
			'READ',
			array('RAW_QUERY' => true, 'PERMS'=> $permissions)
		);

		if($permissionSql === false)
		{
			//Access denied;
			return array();
		}

		if($permissionSql !== '')
		{
			$query->addFilter('@ENTITY_ID', new Main\DB\SqlExpression($permissionSql));
		}
	}

	$dedupeParams = new DedupeParams($entityTypeID, $userID, $enablePermissionCheck, $this->getScope());
	$dedupeParams->setLimitByAssignedUser($this->limitByAssignedUser());
	$query = DedupeDataSource::registerRuntimeFieldsByParams($query, $dedupeParams);

	$limit = isset($options['limit']) ? (int)$options['limit'] : 0;
	if($limit > 0)
	{
		$query->setLimit($limit);
	}

	if($rootEntityID > 0)
	{
		$query->addFilter('!ENTITY_ID', $rootEntityID);
		$query->addFilter(
			'!@ENTITY_ID',
			DuplicateIndexMismatch::prepareQueryField($this, $entityTypeID, $rootEntityID, $userID)
		);
	}

	$entityIDs = array();
	$dbResult = $query->exec();
	while($fields = $dbResult->fetch())
	{
		if(isset($fields['ENTITY_ID']) && $fields['ENTITY_ID'] > 0)
		{
			$entityIDs[] = (int)$fields['ENTITY_ID'];
		}
	}
	return $entityIDs;
}