From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 15 Apr 2019 16:40:07 +0000 (+0100)
Subject: [Minor] Empty reply == success in CH universe
X-Git-Tag: 1.9.2~19
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4a59005fec39461c019256a027c1d6279636ca3f;p=thirdparty%2Frspamd.git

[Minor] Empty reply == success in CH universe
---

diff --git a/lualib/lua_clickhouse.lua b/lualib/lua_clickhouse.lua
index 7064ac925f..99865e6ee3 100644
--- a/lualib/lua_clickhouse.lua
+++ b/lualib/lua_clickhouse.lua
@@ -116,8 +116,8 @@ local function parse_clickhouse_response_json(params, data)
   local ucl = require "ucl"
 
   if data == nil then
-    -- clickhouse returned no data (i.e. empty result set): exiting
-    return 'no data', {}
+    -- clickhouse returned no data (i.e. empty result set) considered valid!
+    return nil, {}
   end
 
   if data:match('DB::Exception') then