From d65d82f84b7045de77e4cf26cc34b4f6d9e9d8e6 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 2 Aug 2017 18:22:07 +0100
Subject: [PATCH] [Minor] Use '--' instead of 'UN' for unknown values

---
 src/plugins/lua/clickhouse.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/lua/clickhouse.lua b/src/plugins/lua/clickhouse.lua
index 08fb25c8c..bd164ab65 100644
--- a/src/plugins/lua/clickhouse.lua
+++ b/src/plugins/lua/clickhouse.lua
@@ -573,7 +573,7 @@ local function clickhouse_collect(task)
 
   -- ASN information
   if settings['asn_table'] then
-    local asn, country, ipnet = 'UN', 'UN', 'UN'
+    local asn, country, ipnet = '--', '--', '--'
     local pool = task:get_mempool()
     ret = pool:get_variable("asn")
     if ret then
-- 
2.39.5