Merge pull request #53134 from nextcloud/backport/53120/stable30

[stable30] perf: improve query to determine which users need a background scan

Author: icewind1991

apps/files/lib/BackgroundJob/ScanFiles.php

@@ -79,7 +79,7 @@ private function getUserToScan() {
 			$query->select('m.user_id')
 				->from('filecache', 'f')
 				->leftJoin('f', 'mounts', 'm', $query->expr()->eq('m.storage_id', 'f.storage'))
-				->where($query->expr()->lt('f.size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
+				->where($query->expr()->eq('f.size', $query->createNamedParameter(-1, IQueryBuilder::PARAM_INT)))
 				->andWhere($query->expr()->gt('f.parent', $query->createNamedParameter(-1, IQueryBuilder::PARAM_INT)))
 				->setMaxResults(10)
 				->groupBy('f.storage')
@@ -100,7 +100,7 @@ private function getUserToScan() {
 			$query->select('m.user_id')
 				->from('filecache', 'f')
 				->leftJoin('f', 'mounts', 'm', $query->expr()->eq('m.storage_id', 'f.storage'))
-				->where($query->expr()->lt('f.size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
+				->where($query->expr()->eq('f.size', $query->createNamedParameter(-1, IQueryBuilder::PARAM_INT)))
 				->andWhere($query->expr()->gt('f.parent', $query->createNamedParameter(-1, IQueryBuilder::PARAM_INT)))
 				->andWhere($query->expr()->in('f.storage', $query->createNamedParameter($storages, IQueryBuilder::PARAM_INT_ARRAY)))
 				->setMaxResults(1)
@@ -111,7 +111,7 @@ private function getUserToScan() {
 			$query->select('m.user_id')
 				->from('filecache', 'f')
 				->innerJoin('f', 'mounts', 'm', $query->expr()->eq('m.storage_id', 'f.storage'))
-				->where($query->expr()->lt('f.size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
+				->where($query->expr()->eq('f.size', $query->createNamedParameter(-1, IQueryBuilder::PARAM_INT)))
 				->andWhere($query->expr()->gt('f.parent', $query->createNamedParameter(-1, IQueryBuilder::PARAM_INT)))
 				->setMaxResults(1)
 				->runAcrossAllShards();