From 88e095f4062e698ec9f04ae420ef2ebe33087f90 Mon Sep 17 00:00:00 2001
From: Dennis Pattmann <d.pattmann@gmail.com>
Date: Tue, 1 Dec 2020 19:53:36 +0100
Subject: [PATCH] fix: Return error if metric doesn't exists

---
 timestream.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/timestream.go b/timestream.go
index e1e091b..46d84b7 100644
--- a/timestream.go
+++ b/timestream.go
@@ -132,6 +132,10 @@ func (t TimeSteamAdapter) readDimension(measureName string) (dimensions []string
 		return
 	}
 
+	if len(queryOutput.Rows) == 0 {
+		return nil, errors.New("No measure found")
+	}
+
 	for i, q := range queryOutput.ColumnInfo {
 		if *q.Name == "dimensions" {
 			for _, rv := range queryOutput.Rows[0].Data[i].ArrayValue {