From 701e4674ea5d55287c7fa7dd23d27325cbe668b3 Mon Sep 17 00:00:00 2001
From: schroda <50052685+schroda@users.noreply.github.com>
Date: Thu, 21 May 2026 02:15:18 +0200
Subject: [PATCH] Fix gql Filter UnsupportedOperationException (#2063)

---
 CHANGELOG.md                                                    | 1 +
 .../kotlin/suwayomi/tachidesk/graphql/queries/filter/Filter.kt  | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61147f12e..8c17c85ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 - (**Chapter**) Fix losing chapter data on failed chapter list update
 - (**Chapter**) Fix database error when fetching chapter updates
 - (**Manga/API**) Fix "mangas" graphql query with active sorting and using a postgresql database (QUERY "mangas")
+- (**API**) Fix GraphQL `Filter` causing an UnsupportedOperationException when passing an empty list as a `Any` filter value
 
 ## [v2.2.2100] + [WebUI: v20260508.01] - 2026-05-08
 
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/graphql/queries/filter/Filter.kt b/server/src/main/kotlin/suwayomi/tachidesk/graphql/queries/filter/Filter.kt
index f1086ca45..ce9833f3d 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/graphql/queries/filter/Filter.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/graphql/queries/filter/Filter.kt
@@ -547,7 +547,7 @@ class OpAnd(
         andPart: (T) -> Op<Boolean>,
     ) {
         values ?: return
-        val expr = values.map { andPart(it) }.reduce { acc, op -> acc or op }
+        val expr = values.map { andPart(it) }.reduceOrNull { acc, op -> acc or op } ?: return
         op = if (op == null) expr else (op!! and expr)
     }