From 393e563190f526cfbf3e9914333dceebf07892c3 Mon Sep 17 00:00:00 2001
From: Ere Maijala <ere.maijala@helsinki.fi>
Date: Wed, 10 Jan 2024 11:22:11 +0200
Subject: [PATCH] PDO: Use index hint for source_update_needed only if a source
 filter is specified.

---
 src/RecordManager/Base/Database/PDODatabase.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/RecordManager/Base/Database/PDODatabase.php b/src/RecordManager/Base/Database/PDODatabase.php
index 3c16b5e0..b24ca522 100644
--- a/src/RecordManager/Base/Database/PDODatabase.php
+++ b/src/RecordManager/Base/Database/PDODatabase.php
@@ -1261,7 +1261,7 @@ protected function getIndexHints(string $collection, array $filter, array $optio
         if (!$this->useIndexHints || !$this->isMySQLCompatible()) {
             return '';
         }
-        if ('record' === $collection && isset($options['sort']['_id'])) {
+        if ('record' === $collection && isset($options['sort']['_id']) && isset($filter['source_id'])) {
             return 'USE INDEX (source_update_needed)';
         }
         return '';