From e350956fdc2b9b587d30aa168b8185614f070de1 Mon Sep 17 00:00:00 2001
From: Xin Hao Zhang <xzhang@cockroachlabs.com>
Date: Thu, 9 Feb 2023 11:22:17 -0500
Subject: [PATCH] ui: add null check to txn details api

The txn details api was missing a null check when reading the
results of contention information, which lead to the showing of
an error when we should just not show any contention details.

Epic: none

Release note: None
---
 pkg/ui/workspaces/cluster-ui/src/api/txnInsightsApi.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/ui/workspaces/cluster-ui/src/api/txnInsightsApi.ts b/pkg/ui/workspaces/cluster-ui/src/api/txnInsightsApi.ts
index 43dca17e4a8d..d2cfad0b10ad 100644
--- a/pkg/ui/workspaces/cluster-ui/src/api/txnInsightsApi.ts
+++ b/pkg/ui/workspaces/cluster-ui/src/api/txnInsightsApi.ts
@@ -647,7 +647,7 @@ export async function getTxnInsightDetailsApi(
     if (!req.excludeContention && highContention) {
       const contentionInfo = await getTxnInsightsContentionDetailsApi(req);
       txnInsightDetails.blockingContentionDetails =
-        contentionInfo.blockingContentionDetails;
+        contentionInfo?.blockingContentionDetails;
     }
   } catch (e) {
     errors.contentionErr = e;