From 62a1c98a83677b937dff8f890acd9db74e5c349a Mon Sep 17 00:00:00 2001
From: Anna Larch <anna@nextcloud.com>
Date: Thu, 5 Oct 2023 17:00:19 +0200
Subject: [PATCH] fix(preprocessing): chunk message query

Signed-off-by: Anna Larch <anna@nextcloud.com>
---
 lib/Service/PreprocessingService.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/Service/PreprocessingService.php b/lib/Service/PreprocessingService.php
index 8301f7c3a9..dc66f2633b 100644
--- a/lib/Service/PreprocessingService.php
+++ b/lib/Service/PreprocessingService.php
@@ -62,8 +62,10 @@ public function process(int $limitTimestamp, Account $account): void {
 			return $mailbox->getId();
 		}, $mailboxes));
 
-
-		$messages = $this->messageMapper->getUnanalyzed($limitTimestamp, $mailboxIds);
+		$messages = [];
+		foreach(array_chunk($mailboxIds, 1000) as $chunk) {
+			$messages = array_merge($messages, $this->messageMapper->getUnanalyzed($limitTimestamp, $chunk));
+		}
 		if ($messages === []) {
 			$this->logger->debug('No structure data to analyse.');
 			return;