From 2b2aead8b3a3243349d80cde63c25aa68e3b8ad8 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Thu, 6 Mar 2014 09:59:18 +0100
Subject: [PATCH] Do not attempt to PQclear a null PQresult*

---
 plugins/input/postgis/connection.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/input/postgis/connection.hpp b/plugins/input/postgis/connection.hpp
index c725ab91a..d5fc1460a 100644
--- a/plugins/input/postgis/connection.hpp
+++ b/plugins/input/postgis/connection.hpp
@@ -85,7 +85,7 @@ public:
 
         PGresult *result = PQexec(conn_, sql.c_str());
         bool ok = (result && (PQresultStatus(result) == PGRES_COMMAND_OK));
-        PQclear(result);
+        if ( result ) PQclear(result);
         return ok;
     }