DuplicateIndexBuilder::getRootEntityID

protected function getRootEntityID($matchHash)
{
	$query = new Main\Entity\Query(Entity\DuplicateIndexTable::getEntity());
	$query->addSelect('ROOT_ENTITY_ID');

	$query->addFilter('=USER_ID', $this->getUserID());
	$query->addFilter('=ENTITY_TYPE_ID', $this->getEntityTypeID());
	$query->addFilter('=TYPE_ID', $this->typeID);
	$query->addFilter('=MATCH_HASH', $matchHash);

	$query->setLimit(1);

	$fields = $query->exec()->fetch();
	return is_array($fields) ? (int)$fields['ROOT_ENTITY_ID'] : 0;
}