From 9c0f9f6ba45ef548a471bbd8bc87e2db095b8b40 Mon Sep 17 00:00:00 2001
From: ismail simsek <ismailsimsek09@gmail.com>
Date: Thu, 4 Apr 2024 11:11:18 +0200
Subject: [PATCH] Fix sending `maxDataPoints` as string (#85561)

* make sure maxDataPoints is a number

* add migration for maxDataPoints

* remove migration
---
 public/app/features/panel/state/actions.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/public/app/features/panel/state/actions.ts b/public/app/features/panel/state/actions.ts
index c326cf812ae..6bde8fc0480 100644
--- a/public/app/features/panel/state/actions.ts
+++ b/public/app/features/panel/state/actions.ts
@@ -17,6 +17,13 @@ export function initPanelState(panel: PanelModel): ThunkResult<Promise<void>> {
       return;
     }
 
+    // Some old panels, somehow have maxDataPoints value as string.
+    // This is causing problems on the backend-side.
+    // Here we make sure maxDataPoints is always as number.
+    if (panel.maxDataPoints) {
+      panel.maxDataPoints = Number(panel.maxDataPoints);
+    }
+
     let pluginToLoad = panel.type;
     let plugin = getStore().plugins.panels[pluginToLoad];