fix: make preload custom proterties sharding compatible

Signed-off-by: Robin Appelman <robin@icewind.nl>

apps/dav/lib/DAV/CustomPropertiesBackend.php

@@ -364,16 +364,16 @@ class CustomPropertiesBackend implements BackendInterface {
 	private function cacheDirectory(string $path, Directory $node): void {
 		$prefix = ltrim($path . '/', '/');
 		$query = $this->connection->getQueryBuilder();
-		$query->select('name', 'propertypath', 'propertyname', 'propertyvalue', 'valuetype')
+		$query->select('name', 'p.propertypath', 'p.propertyname', 'p.propertyvalue', 'p.valuetype')
 			->from('filecache', 'f')
-			->leftJoin('f', 'properties', 'p', $query->expr()->andX(
-				$query->expr()->eq('propertypath', $query->func()->concat(
-					$query->createNamedParameter($prefix),
-					'name'
-				)),
-				$query->expr()->eq('userid', $query->createNamedParameter($this->user->getUID()))
-			))
-			->where($query->expr()->eq('parent', $query->createNamedParameter($node->getInternalFileId(), IQueryBuilder::PARAM_INT)));
+			->hintShardKey('storage', $node->getNode()->getMountPoint()->getNumericStorageId())
+			->leftJoin('f', 'properties', 'p', $query->expr()->eq('p.propertypath', $query->func()->concat(
+				$query->createNamedParameter($prefix),
+				'f.name'
+			)),
+			)
+			->where($query->expr()->eq('parent', $query->createNamedParameter($node->getInternalFileId(), IQueryBuilder::PARAM_INT)))
+			->andWhere($query->expr()->eq('p.userid', $query->createNamedParameter($this->user->getUID())));
 		$result = $query->executeQuery();
 
 		$propsByPath = [];