From 26ab25b7c0f91169d772c4d439c52133139dcbd4 Mon Sep 17 00:00:00 2001
From: Sven Klemm <31455525+svenklemm@users.noreply.github.com>
Date: Wed, 15 Nov 2017 14:50:32 +0100
Subject: [PATCH] dont loose subsecond precision when dealing with timestamp or
 (#9851)

timestamptz
---
 pkg/tsdb/postgres/postgres.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/tsdb/postgres/postgres.go b/pkg/tsdb/postgres/postgres.go
index c1cd95e2e46..dcb60977edc 100644
--- a/pkg/tsdb/postgres/postgres.go
+++ b/pkg/tsdb/postgres/postgres.go
@@ -187,7 +187,7 @@ func (e PostgresQueryEndpoint) transformToTimeSeries(query *tsdb.Query, rows *co
 		case float64:
 			timestamp = columnValue * 1000
 		case time.Time:
-			timestamp = float64(columnValue.Unix() * 1000)
+			timestamp = float64(columnValue.UnixNano() / 1e6)
 		default:
 			return fmt.Errorf("Invalid type for column time, must be of type timestamp or unix timestamp")
 		}