From a1f119635210ca8d4cd297a4ef5d356dec5f893f Mon Sep 17 00:00:00 2001
From: Sven Grossmann <sven.grossmann@grafana.com>
Date: Fri, 4 Jul 2025 08:33:33 +0200
Subject: [PATCH] Test Data Source: Allow inputs to render `0` values (#107578)

---
 .../grafana-testdata-datasource/components/RandomWalkEditor.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/app/plugins/datasource/grafana-testdata-datasource/components/RandomWalkEditor.tsx b/public/app/plugins/datasource/grafana-testdata-datasource/components/RandomWalkEditor.tsx
index 0bdcc29f0c1..0f745337a7d 100644
--- a/public/app/plugins/datasource/grafana-testdata-datasource/components/RandomWalkEditor.tsx
+++ b/public/app/plugins/datasource/grafana-testdata-datasource/components/RandomWalkEditor.tsx
@@ -47,7 +47,7 @@ export const RandomWalkEditor = ({ onChange, query }: EditorProps) => {
               id={`randomWalk-${id}-${query.refId}`}
               min={min}
               step={step}
-              value={(query as any)[id as keyof TestDataDataQuery] || placeholder}
+              value={(query as any)[id as keyof TestDataDataQuery] ?? placeholder}
               placeholder={placeholder}
               onChange={onChange}
             />