From 2efa8677c9d512f2d2001de108fa281001ec3144 Mon Sep 17 00:00:00 2001
From: Christophe Romain <christophe.romain@process-one.net>
Date: Wed, 22 Jun 2016 11:21:11 +0200
Subject: [PATCH] Fix pgsql compatibility on delete_old_messages (#1137)

---
 src/mod_offline_sql.erl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mod_offline_sql.erl b/src/mod_offline_sql.erl
index a368e8e31..feefd3dd0 100644
--- a/src/mod_offline_sql.erl
+++ b/src/mod_offline_sql.erl
@@ -80,8 +80,8 @@ remove_old_messages(Days, LServer) ->
 		 LServer,
 		 [<<"DELETE FROM spool"
 		   " WHERE created_at < "
-		   "DATE_SUB(CURDATE(), INTERVAL ">>,
-		  integer_to_list(Days), <<" DAY);">>]) of
+		   "NOW() - INTERVAL '">>,
+		  integer_to_list(Days), <<"';">>]) of
 	{updated, N} ->
 	    ?INFO_MSG("~p message(s) deleted from offline spool", [N]);
 	_Error ->