From 6d8545da63f05498fb62904e430e38cb9fe38c00 Mon Sep 17 00:00:00 2001
From: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>
Date: Fri, 10 Jul 2020 17:04:05 +0200
Subject: [PATCH] Elastic: Fix error "e.buckets[Symbol.iterator] is not a
 function" when using filter (#26217)

* Add bucket to array if it is not in array

* Fix issue one level above

* Rename variable

* Move array check to processAggregationDocs
---
 .../app/plugins/datasource/elasticsearch/elastic_response.ts  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/public/app/plugins/datasource/elasticsearch/elastic_response.ts b/public/app/plugins/datasource/elasticsearch/elastic_response.ts
index 0dee3d727ac..bb06b2b0537 100644
--- a/public/app/plugins/datasource/elasticsearch/elastic_response.ts
+++ b/public/app/plugins/datasource/elasticsearch/elastic_response.ts
@@ -135,8 +135,8 @@ export class ElasticResponse {
       table.addColumn({ text: metricName });
       values.push(value);
     };
-
-    for (const bucket of esAgg.buckets) {
+    const buckets = _.isArray(esAgg.buckets) ? esAgg.buckets : [esAgg.buckets];
+    for (const bucket of buckets) {
       const values = [];
 
       for (const propValues of _.values(props)) {