From 6f9edf4a228d2dd568326e96ded065668686a980 Mon Sep 17 00:00:00 2001
From: Johannes Schill <johannes.schill@polyester.se>
Date: Tue, 19 Feb 2019 16:43:39 +0100
Subject: [PATCH] fix: Filter out values not supported by Explore yet #15281

---
 public/app/plugins/datasource/prometheus/datasource.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/public/app/plugins/datasource/prometheus/datasource.ts b/public/app/plugins/datasource/prometheus/datasource.ts
index be62bd3b9f0..abcedd2af5c 100644
--- a/public/app/plugins/datasource/prometheus/datasource.ts
+++ b/public/app/plugins/datasource/prometheus/datasource.ts
@@ -396,6 +396,10 @@ export class PrometheusDatasource implements DataSourceApi<PromQuery> {
       const expandedQueries = queries.map(query => ({
         ...query,
         expr: this.templateSrv.replace(query.expr, {}, this.interpolateQueryExpr),
+
+        // null out values we don't support in Explore yet
+        legendFormat: null,
+        step: null,
       }));
       state = {
         ...state,