From 6c7cde1094b782e5991a2f530f039690f55feacf Mon Sep 17 00:00:00 2001
From: shimon <shimon@appwrite.io>
Date: Sun, 30 Nov 2025 19:14:13 +0200
Subject: [PATCH] fix - update return type in getCacheKeys method to ensure
 non-null string values

---
 src/Database/Database.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Database/Database.php b/src/Database/Database.php
index 97cad3d2a..294085b47 100644
--- a/src/Database/Database.php
+++ b/src/Database/Database.php
@@ -8582,7 +8582,7 @@ public function getSchemaAttributes(string $collection): array
      * @param string $collectionId
      * @param string|null $documentId
      * @param array<string> $selects
-     * @return array{0: ?string, 1: ?string, 2: ?string}
+     * @return array{0: string, 1: string, 2: string}
      */
     public function getCacheKeys(string $collectionId, ?string $documentId = null, array $selects = []): array
     {
@@ -8615,8 +8615,8 @@ public function getCacheKeys(string $collectionId, ?string $documentId = null, a
 
         return [
             $collectionKey,
-            $documentKey ?? null,
-            $documentHashKey ?? null
+            $documentKey ?? '',
+            $documentHashKey ?? ''
         ];
     }