IndexSupportedProvider::searchInFullIndex

protected function searchInFullIndex(string $searchQuery, int $limit = 0, array $excludedIds = []): array
{
	$query = $this->getEntityTableQuery();
	$columnName = 'ID';

	if (!empty($this->additionalFilter))
	{
		$query->setFilter($this->additionalFilter);
	}
	if (!empty($excludedIds))
	{
		$query->whereNotIn($columnName, $excludedIds);
	}
	if ($limit > 0)
	{
		$query->setLimit($limit);
	}

	return $this->fetchColumnValuesFromIndex(
		$query,
		$columnName,
		$searchQuery
	);
}