From f4c3c5f0e8cf8130f0c4b299475473c1b389473a Mon Sep 17 00:00:00 2001
From: Walter Rafelsberger <walter@elastic.co>
Date: Thu, 26 Aug 2021 13:31:49 +0200
Subject: [PATCH] [ML] Fix loading spinner of latency correlations chart when
 cancel was hit before retrieving any data.

---
 .../hooks/use_transaction_latency_correlations_fetcher.ts    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/x-pack/plugins/apm/public/hooks/use_transaction_latency_correlations_fetcher.ts b/x-pack/plugins/apm/public/hooks/use_transaction_latency_correlations_fetcher.ts
index d96ef9637ffef..0b035c6af2354 100644
--- a/x-pack/plugins/apm/public/hooks/use_transaction_latency_correlations_fetcher.ts
+++ b/x-pack/plugins/apm/public/hooks/use_transaction_latency_correlations_fetcher.ts
@@ -149,6 +149,11 @@ export const useTransactionLatencyCorrelationsFetcher = () => {
     abortCtrl.current.abort();
     setFetchState((prevState) => ({
       ...prevState,
+      // If we didn't receive data for the overall histogram yet
+      // set it to an empty array to indicate loading stopped.
+      ...(prevState.overallHistogram === undefined
+        ? { overallHistogram: [] }
+        : {}),
       isRunning: false,
     }));
   }, [setFetchState]);