From ecd404335e6d111fd0e567d28547656de8fbf472 Mon Sep 17 00:00:00 2001
From: Alexander Zobnin <alexanderzobnin@gmail.com>
Date: Fri, 31 Mar 2017 19:13:26 +0400
Subject: [PATCH] heatmap: fix error with null values in ES converter (#7999)

---
 public/app/plugins/panel/heatmap/heatmap_data_converter.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/public/app/plugins/panel/heatmap/heatmap_data_converter.ts b/public/app/plugins/panel/heatmap/heatmap_data_converter.ts
index 800eb26f322..ba1cd223584 100644
--- a/public/app/plugins/panel/heatmap/heatmap_data_converter.ts
+++ b/public/app/plugins/panel/heatmap/heatmap_data_converter.ts
@@ -30,7 +30,12 @@ function convertEsSeriesToHeatmap(series: TimeSeries, saveZeroCounts = false) {
   _.forEach(series.datapoints, point => {
     let bound = series.alias;
     let count = point[VALUE_INDEX];
-    let values = new Array(count);
+
+    if (!count) {
+      return;
+    }
+
+    let values = new Array(Math.round(count));
     values.fill(Number(bound));
 
     let valueBuckets = {};