Limit parameter count per query in Cache.removeChildren

Signed-off-by: Sijmen Schoon <me@sijmenschoon.nl>

diff --git a/lib/private/Files/Cache/Cache.php b/lib/private/Files/Cache/Cache.php
index 1c30a5953c6f05d160f2fb143bbd96723dbcccaa..4572217325a0f76e5fd350a65abf1537db474428 100644 (file)
--- a/lib/private/Files/Cache/Cache.php
+++ b/lib/private/Files/Cache/Cache.php
@@ -587,10 +587,13 @@ class Cache implements ICache {
                                return $cacheEntry->getId();
                        }, $children);
 
-                       $query = $this->getQueryBuilder();
-                       $query->delete('filecache_extended')
-                               ->where($query->expr()->in('fileid', $query->createNamedParameter($childIds, IQueryBuilder::PARAM_INT_ARRAY)));
-                       $query->execute();
+                       $childIdChunks = array_chunk($childIds, 2048);
+                       foreach ($childIdChunks as $childIdChunk) {
+                               $query = $this->getQueryBuilder();
+                               $query->delete('filecache_extended')
+                                       ->where($query->expr()->in('fileid', $query->createNamedParameter($childIdChunk, IQueryBuilder::PARAM_INT_ARRAY)));
+                               $query->execute();
+                       }
 
                        /** @var ICacheEntry[] $childFolders */
                        $childFolders = array_filter($children, function ($child) {
@@ -602,10 +605,13 @@ class Cache implements ICache {
                        }
                }
 
-               $query = $this->getQueryBuilder();
-               $query->delete('filecache')
-                       ->whereParentIn($parentIds);
-               $query->execute();
+               $parentIdChunks = array_chunk($parentIds, 2048);
+               foreach ($parentIdChunks as $parentIdChunk) {
+                       $query = $this->getQueryBuilder();
+                       $query->delete('filecache')
+                               ->whereParentIn($parentIdChunk);
+                       $query->execute();
+               }
        }
 
        /**