[processing] fixed handling of None param values in ogr2ogrtopostgis.py

Author: volaya

python/plugins/processing/algs/gdal/ogr2ogrtopostgis.py

@@ -154,17 +154,17 @@ def defineCharacteristics(self):
                                           self.tr('Additional creation options'), '', optional=True))
 
     def getConnectionString(self):
-        host = unicode(self.getParameterValue(self.HOST))
-        port = unicode(self.getParameterValue(self.PORT))
-        user = unicode(self.getParameterValue(self.USER))
-        dbname = unicode(self.getParameterValue(self.DBNAME))
-        password = unicode(self.getParameterValue(self.PASSWORD))
-        schema = unicode(self.getParameterValue(self.SCHEMA))
+        host = self.getParameterValue(self.HOST)
+        port = self.getParameterValue(self.PORT)
+        user = self.getParameterValue(self.USER)
+        dbname = self.getParameterValue(self.DBNAME)
+        password = self.getParameterValue(self.PASSWORD)
+        schema = self.getParameterValue(self.SCHEMA)
         arguments = []
         if host:
             arguments.append('host=' + host)
         if port:
-            arguments.append('port=' + port)
+            arguments.append('port=' + str(port))
         if dbname:
             arguments.append('dbname=' + dbname)
         if password: