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Reduce number of database queries during WebDAV propfind request #34471

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merged 2 commits into from
Oct 14, 2022
Merged

Reduce number of database queries during WebDAV propfind request #34471

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255d1dd
Read notes from share already loaded into memory
starypatyk Oct 7, 2022
c0bd748
Review comment - remove redundant empty() call
starypatyk Oct 10, 2022
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26 changes: 11 additions & 15 deletions apps/dav/lib/Connector/Sabre/Node.php
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Original file line number Diff line number Diff line change
Expand Up @@ -355,23 +355,19 @@ public function getNoteFromShare($user) {
return '';
}

$types = [
IShare::TYPE_USER,
IShare::TYPE_GROUP,
IShare::TYPE_CIRCLE,
IShare::TYPE_ROOM
];

foreach ($types as $shareType) {
$shares = $this->shareManager->getSharedWith($user, $shareType, $this, -1);
foreach ($shares as $share) {
$note = $share->getNote();
if ($share->getShareOwner() !== $user && !empty($note)) {
return $note;
}
}
// Retrieve note from the share object already loaded into
// memory, to avoid additional database queries.
$storage = $this->getNode()->getStorage();
if (!$storage->instanceOfStorage(\OCA\Files_Sharing\SharedStorage::class)) {
return '';
}
/** @var \OCA\Files_Sharing\SharedStorage $storage */

$share = $storage->getShare();
$note = $share->getNote();
if ($share->getShareOwner() !== $user) {
return $note;
}
return '';
}

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7 changes: 7 additions & 0 deletions apps/files_sharing/lib/MountProvider.php
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Original file line number Diff line number Diff line change
Expand Up @@ -229,6 +229,13 @@ private function buildSuperShares(array $allShares, \OCP\IUser $user) {
->setShareType($shares[0]->getShareType())
->setTarget($shares[0]->getTarget());

// Gather notes from all the shares.
// Since these are readly available here, storing them
// enables the DAV FilesPlugin to avoid executing many
// DB queries to retrieve the same information.
$allNotes = implode("\n", array_map(function ($sh) { return $sh->getNote(); }, $shares));
$superShare->setNote($allNotes);

// use most permissive permissions
// this covers the case where there are multiple shares for the same
// file e.g. from different groups and different permissions
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