From: Robin Geuze <robing@transip.nl>
Date: Fri, 25 Sep 2020 13:59:17 +0000 (+0200)
Subject: Catch the none existent shard case and just skip that
X-Git-Tag: auth-4.4.0-alpha1^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6addc1d6b2f7a10e64c4f9252a1bbbc2921ebfa;p=thirdparty%2Fpdns.git

Catch the none existent shard case and just skip that
---

diff --git a/modules/lmdbbackend/lmdbbackend.cc b/modules/lmdbbackend/lmdbbackend.cc
index adccc89d35..71ba3b7b88 100644
--- a/modules/lmdbbackend/lmdbbackend.cc
+++ b/modules/lmdbbackend/lmdbbackend.cc
@@ -547,6 +547,10 @@ bool LMDBBackend::upgradeToSchemav3()
   for(auto i = 0; i < d_shards; i++) {
     string filename = getArg("filename")+"-"+std::to_string(i);
     if (rename(filename.c_str(), (filename+"-old").c_str()) < 0) {
+        if (errno == ENOENT) {
+            // apparently this shard doesn't exist yet, moving on
+            continue;
+        }
         unixDie("Rename failed during LMDB upgrade");
     }