From ad14ccf4bdcca9f335fa62f992db120e8a3936ee Mon Sep 17 00:00:00 2001
From: Dmitry Bedrin <Dmitry.Bedrin@gmail.com>
Date: Mon, 28 Aug 2017 09:53:41 +0300
Subject: [PATCH] non_negative_difference() function in InfluxDB 1.3 (#9104)

Add support of non_negative_difference() function from InfluxDB 1.3
https://docs.influxdata.com/influxdb/v1.3/administration/differences/#functions
---
 public/app/plugins/datasource/influxdb/query_part.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/public/app/plugins/datasource/influxdb/query_part.ts b/public/app/plugins/datasource/influxdb/query_part.ts
index 0e63e3c7e24..4c6609d0f74 100644
--- a/public/app/plugins/datasource/influxdb/query_part.ts
+++ b/public/app/plugins/datasource/influxdb/query_part.ts
@@ -230,6 +230,15 @@ register({
   renderer: functionRenderer,
 });
 
+register({
+  type: 'non_negative_difference',
+  addStrategy: addTransformationStrategy,
+  category: categories.Transformations,
+  params: [],
+  defaultParams: [],
+  renderer: functionRenderer,
+});
+
 register({
   type: 'moving_average',
   addStrategy: addTransformationStrategy,