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perf: improve cleanup of tags/comments

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delete entire chunk at once instead of one-by-one

Signed-off-by: Robin Appelman <robin@icewind.nl>
This commit is contained in:
Robin Appelman 2024-08-12 16:13:58 +02:00 committed by backportbot[bot]
parent 3b7014e5f7
commit 13231effd0
1 changed files with 6 additions and 9 deletions
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15
apps/files/lib/BackgroundJob/DeleteOrphanedItems.php
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@ -66,18 +66,15 @@ class DeleteOrphanedItems extends TimedJob {
$deleteQuery = $this->connection->getQueryBuilder();
$deleteQuery->delete($table)
->where($deleteQuery->expr()->eq($idCol, $deleteQuery->createParameter('objectid')));
->where($deleteQuery->expr()->in($idCol, $deleteQuery->createParameter('objectid')));
$deletedInLastChunk = self::CHUNK_SIZE;
while ($deletedInLastChunk === self::CHUNK_SIZE) {
$result = $query->execute();
$deletedInLastChunk = 0;
while ($row = $result->fetch()) {
$deletedInLastChunk++;
$deletedEntries += $deleteQuery->setParameter('objectid', (int) $row[$idCol])
->execute();
}
$result->closeCursor();
$chunk = $query->executeQuery()->fetchAll(\PDO::FETCH_COLUMN);
$deletedInLastChunk = count($chunk);
$deleteQuery->setParameter('objectid', $chunk, IQueryBuilder::PARAM_INT_ARRAY);
$deletedEntries += $deleteQuery->executeStatement();
}
return $deletedEntries;