From 0e5718d2ef8fe7374edbc88938b892a1b29e1a40 Mon Sep 17 00:00:00 2001
From: rldhont <rldhont@gmail.com>
Date: Fri, 23 Nov 2018 11:45:39 +0100
Subject: [PATCH] [Server][WFS] Null field value in GML has to be empty string

---
 src/server/services/wfs/qgswfsgetfeature.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/server/services/wfs/qgswfsgetfeature.cpp b/src/server/services/wfs/qgswfsgetfeature.cpp
index 194ebbaadf3..a8a51c4d354 100644
--- a/src/server/services/wfs/qgswfsgetfeature.cpp
+++ b/src/server/services/wfs/qgswfsgetfeature.cpp
@@ -1455,7 +1455,7 @@ namespace QgsWfs
     QString encodeValueToText( const QVariant &value, const QgsEditorWidgetSetup &setup )
     {
       if ( value.isNull() )
-        return QStringLiteral( "null" );
+        return QString();
 
       if ( setup.type() ==  QStringLiteral( "DateTime" ) )
       {