From 1b0d481f41bdb29cc6bbaf0d410aafed5280e337 Mon Sep 17 00:00:00 2001
From: Evgeny Khramtsov <ekhramtsov@process-one.net>
Date: Sat, 12 Jan 2019 23:40:33 +0300
Subject: [PATCH] Don't produce a crash on config reload when SQL is not
 configured

---
 src/ejabberd_rdbms.erl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ejabberd_rdbms.erl b/src/ejabberd_rdbms.erl
index 92eacdd0b..bb4011920 100644
--- a/src/ejabberd_rdbms.erl
+++ b/src/ejabberd_rdbms.erl
@@ -98,7 +98,10 @@ stop_host(Host) ->
 
 -spec reload_host(binary()) -> ok.
 reload_host(Host) ->
-    ejabberd_sql_sup:reload(Host).
+    case needs_sql(Host) of
+	true -> ejabberd_sql_sup:reload(Host);
+	false -> ok
+    end.
 
 %% Returns {true, App} if we have configured sql for the given host
 needs_sql(Host) ->