From d984334d97ad48320cf96d8f5de111ee65d81dbe Mon Sep 17 00:00:00 2001
From: Tomasz Pluskiewicz <tpluscode@users.noreply.github.com>
Date: Wed, 21 Jan 2026 11:44:01 +0100
Subject: [PATCH 1/2] refactor: remove conditional `disableDistinct` and make
 it always enabled

---
 app/rdf/queries.ts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/app/rdf/queries.ts b/app/rdf/queries.ts
index 4153f89fac..5d21749097 100644
--- a/app/rdf/queries.ts
+++ b/app/rdf/queries.ts
@@ -453,7 +453,6 @@ export const getCubeObservations = async ({
     preview,
     limit,
     observationsView,
-    disableDistinct: !filters || Object.keys(filters).length === 0,
   });
 
   const serverFilter =
@@ -723,13 +722,13 @@ async function fetchViewObservations({
   preview,
   limit,
   observationsView,
-  disableDistinct,
 }: {
   preview?: boolean | null;
   limit?: number | null;
   observationsView: View;
-  disableDistinct: boolean;
 }) {
+  const disableDistinct = true
+
   /**
    * Add LIMIT to query
    */

From 29eaf2ffeb590c738b486f11ac48d140d1e90e69 Mon Sep 17 00:00:00 2001
From: Tomasz Pluskiewicz <tpluscode@users.noreply.github.com>
Date: Wed, 21 Jan 2026 12:44:02 +0100
Subject: [PATCH 2/2] chore: change

---
 CHANGELOG.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e25dcd7b32..70e90a13c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,9 @@ You can also check the
 
 ## Unreleased
 
-Nothing yet.
+### Changed
+
+- Improve cube query performance by removing expensive `DISTINCT` and `GROUP BY` clauses from SPARQL queries
 
 ### 6.2.5 - 2025-12-02