From 739b2e8a7b21e5ffeb8a10102642e5539a2a8b5a Mon Sep 17 00:00:00 2001
From: Fran Boon <francisboon@gmail.com>
Date: Thu, 22 Jan 2015 11:52:42 +0000
Subject: [PATCH] Update objects.py

---
 gluon/dal/objects.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gluon/dal/objects.py b/gluon/dal/objects.py
index 9c22449a..7c4cb03f 100644
--- a/gluon/dal/objects.py
+++ b/gluon/dal/objects.py
@@ -1304,6 +1304,10 @@ class Expression(object):
         db = self.db
         return Expression(db, db._adapter.ST_SIMPLIFY, self, value, self.type)
 
+    def st_simplifypreservetopology(self, value):
+        db = self.db
+        return Expression(db, db._adapter.ST_SIMPLIFYPRESERVETOPOLOGY, self, value, self.type)
+
     # GIS queries
 
     def st_contains(self, value):