diff options
Diffstat (limited to 'apps/files_versions/lib/Versions/LegacyVersionsBackend.php')
| -rw-r--r-- | apps/files_versions/lib/Versions/LegacyVersionsBackend.php | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/apps/files_versions/lib/Versions/LegacyVersionsBackend.php b/apps/files_versions/lib/Versions/LegacyVersionsBackend.php index 1483d03bcc6..9282921e401 100644 --- a/apps/files_versions/lib/Versions/LegacyVersionsBackend.php +++ b/apps/files_versions/lib/Versions/LegacyVersionsBackend.php @@ -228,7 +228,27 @@ class LegacyVersionsBackend implements IVersionBackend, IDeletableVersionBackend $versionEntity->setSize($file->getSize()); $versionEntity->setMimetype($this->mimeTypeLoader->getId($file->getMimetype())); $versionEntity->setMetadata([]); - $this->versionsMapper->insert($versionEntity); + + $tries = 1; + while ($tries < 5) { + try { + $this->versionsMapper->insert($versionEntity); + /* No errors, get out of the method */ + return; + } catch (\OCP\DB\Exception $e) { + if (!in_array($e->getReason(), [ + \OCP\DB\Exception::REASON_CONSTRAINT_VIOLATION, + \OCP\DB\Exception::REASON_UNIQUE_CONSTRAINT_VIOLATION, + ]) + ) { + throw $e; + } + /* Conflict with another version, increase mtime and try again */ + $versionEntity->setTimestamp($versionEntity->getTimestamp() + 1); + $tries++; + $this->logger->warning('Constraint violation while inserting version, retrying with increased timestamp', ['exception' => $e]); + } + } } public function updateVersionEntity(File $sourceFile, int $revision, array $properties): void { |