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-rw-r--r--lib/private/Preview/BackgroundCleanupJob.php57
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/private/Preview/BackgroundCleanupJob.php b/lib/private/Preview/BackgroundCleanupJob.php
index deadcd007b1..acf7bf22f52 100644
--- a/lib/private/Preview/BackgroundCleanupJob.php
+++ b/lib/private/Preview/BackgroundCleanupJob.php
@@ -16,6 +16,7 @@ use OCP\Files\IMimeTypeLoader;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\IDBConnection;
+use function Symfony\Component\Translation\t;
class BackgroundCleanupJob extends TimedJob {
/** @var IDBConnection */
@@ -64,6 +65,11 @@ class BackgroundCleanupJob extends TimedJob {
}
private function getOldPreviewLocations(): \Iterator {
+ if ($this->connection->getShardDefinition('filecache')) {
+ // sharding is new enough that we don't need to support this
+ return;
+ }
+
$qb = $this->connection->getQueryBuilder();
$qb->select('a.name')
->from('filecache', 'a')
@@ -106,6 +112,15 @@ class BackgroundCleanupJob extends TimedJob {
return [];
}
+ if ($this->connection->getShardDefinition('filecache')) {
+ $chunks = $this->getAllPreviewIds($data['path'], 1000);
+ foreach ($chunks as $chunk) {
+ yield from $this->findMissingSources($chunk);
+ }
+
+ return;
+ }
+
/*
* This lovely like is the result of the way the new previews are stored
* We take the md5 of the name (fileid) and split the first 7 chars. That way
@@ -155,4 +170,46 @@ class BackgroundCleanupJob extends TimedJob {
$cursor->closeCursor();
}
+
+ private function getAllPreviewIds(string $previewRoot, int $chunkSize): \Iterator {
+ // See `getNewPreviewLocations` for some more info about the logic here
+ $like = $this->connection->escapeLikeParameter($previewRoot). '/_/_/_/_/_/_/_/%';
+
+ $qb = $this->connection->getQueryBuilder();
+ $qb->select('name', 'fileid')
+ ->from('filecache')
+ ->where(
+ $qb->expr()->andX(
+ $qb->expr()->eq('storage', $qb->createNamedParameter($this->previewFolder->getStorageId())),
+ $qb->expr()->like('path', $qb->createNamedParameter($like)),
+ $qb->expr()->eq('mimetype', $qb->createNamedParameter($this->mimeTypeLoader->getId('httpd/unix-directory'))),
+ $qb->expr()->gt('fileid', $qb->createParameter('min_id')),
+ )
+ )
+ ->orderBy('fileid', 'ASC')
+ ->setMaxResults($chunkSize);
+
+ $minId = 0;
+ while (true) {
+ $qb->setParameter('min_id', $minId);
+ $rows = $qb->executeQuery()->fetchAll();
+ if (count($rows) > 0) {
+ $minId = $rows[count($rows) - 1]['fileid'];
+ yield array_map(function ($row) {
+ return (int)$row['name'];
+ }, $rows);
+ } else {
+ break;
+ }
+ }
+ }
+
+ private function findMissingSources(array $ids): array {
+ $qb = $this->connection->getQueryBuilder();
+ $qb->select('fileid')
+ ->from('filecache')
+ ->where($qb->expr()->in('fileid', $qb->createNamedParameter($ids, IQueryBuilder::PARAM_INT_ARRAY)));
+ $found = $qb->executeQuery()->fetchAll(\PDO::FETCH_COLUMN);
+ return array_diff($ids, $found);
+ }
}