From cee53c2e058ef469ad418ad5fc6f0252291e4a30 Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Wed, 9 May 2018 10:28:04 +0200
Subject: [PATCH] rec: Use canonical ordering in the ECS index

The recursor's ECS index used the `DNSName`'s case insensitive
reverse lexicographical ordering (default) instead of the canonical
ordering one.
While quite faster, it isn't exactly right.
---
 pdns/recursor_cache.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pdns/recursor_cache.hh b/pdns/recursor_cache.hh
index 9f53ca5724..2e40d4b8a0 100644
--- a/pdns/recursor_cache.hh
+++ b/pdns/recursor_cache.hh
@@ -167,7 +167,8 @@ private:
           ECSIndexEntry,
           member<ECSIndexEntry,DNSName,&ECSIndexEntry::d_qname>,
           member<ECSIndexEntry,uint16_t,&ECSIndexEntry::d_qtype>
-        >
+        >,
+        composite_key_compare<CanonDNSNameCompare, std::less<uint16_t> >
       >
     >
   > ecsIndex_t;
-- 
2.47.2