Ticket #5498: gis_5498.diff

django/contrib/gis/db/backend/postgis/field.py

@@ -1 +1 @@
 from django.db.models.fields import Field # Django base Field class
 from django.contrib.gis.geos import GEOSGeometry, GEOSException 
-from django.contrib.gis.db.backend.postgis.query import POSTGIS_TERMS, geo_quotename as quotename
+from django.contrib.gis.db.backend.postgis.query import POSTGIS_TERMS, GEOM_FUNC_PREFIX, geo_quotename as quotename
 from types import StringType
 
 class PostGISField(Field):
@@ -77 +77 @@
                     # Returning a dictionary instructs the parse_lookup() to add 
                     # what's in the 'where' key to the where parameters, since we 
                     # need to transform the geometry in the query.
-                    return {'where' : ["ST_Transform(%s,%s)"],
+                    return {'where' : [GEOM_FUNC_PREFIX+"Transform(%s,%s)"],
                             'params' : [value, self._srid]
                             }
                 else:
@@ -104 +104 @@
         "Provides a proper substitution value for "
         if isinstance(value, GEOSGeometry) and value.srid != self._srid:
             # Adding Transform() to the SQL placeholder.
-            return 'ST_Transform(%%s, %s)' % self._srid
+            return GEOM_FUNC_PREFIX+'Transform(%%s, %s)' % self._srid
         else:
             return '%s'