From bd04b776b53915e30adab57de62660ba54526d0b Mon Sep 17 00:00:00 2001
From: Andrej Ocenas <mr.ocenas@gmail.com>
Date: Mon, 13 Jun 2022 11:21:38 +0200
Subject: [PATCH]  Prometheus: Don't show undefined for step in collapsed
 options in query editor when value is "auto" (#50511)

---
 .../querybuilder/components/PromQueryBuilderOptions.tsx         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/app/plugins/datasource/prometheus/querybuilder/components/PromQueryBuilderOptions.tsx b/public/app/plugins/datasource/prometheus/querybuilder/components/PromQueryBuilderOptions.tsx
index 9c6d357d77f..622b3170771 100644
--- a/public/app/plugins/datasource/prometheus/querybuilder/components/PromQueryBuilderOptions.tsx
+++ b/public/app/plugins/datasource/prometheus/querybuilder/components/PromQueryBuilderOptions.tsx
@@ -126,7 +126,7 @@ function getCollapsedInfo(query: PromQuery, formatOption: string, queryType: str
 
   items.push(`Legend: ${getLegendModeLabel(query.legendFormat)}`);
   items.push(`Format: ${formatOption}`);
-  items.push(`Step ${query.interval}`);
+  items.push(`Step: ${query.interval ?? 'auto'}`);
   items.push(`Type: ${queryType}`);
 
   if (query.exemplar) {