Fixed st_asgeojson (#489)

see https://groups.google.com/forum/#!topic/web2py/EixMPrPr9SY
web2py · Aug 16, 2017 · dcb5ba4 · dcb5ba4
1 parent 455f421
commit dcb5ba4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pydal/objects.py b/pydal/objects.py
@@ -1441,7 +1441,7 @@ def with_alias(self, alias):
     # GIS expressions
 
     def st_asgeojson(self, precision=15, options=0, version=1):
-        return Expression(self.db, self.db._adapter.ST_ASGEOJSON, self,
+        return Expression(self.db, self._dialect.st_asgeojson, self,
                           dict(precision=precision, options=options,
                                version=version), 'string')