sql_readonly.patch

Index: releases/general/1.15/bin/sql_db.py
===================================================================
--- releases/general/1.15/bin/sql_db.py (revision 3979)
+++ releases/general/1.15/bin/sql_db.py (revision 3980)
@@ -56,6 +56,8 @@
                self.obj = db.cursor()
                self.con = con
                self.dbname = dbname
+               if tools.config.get('readonly', False):
+                   self.obj.execute("SET TRANSACTION READ ONLY")
 
        def execute(self, sql, params=None):
                if not params: