Fixed #15534: Made the Oracle runtime test for regex capabilities use…

… the !DatabaseOperations connection instead of grabbing the default connection.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16041 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/backends/oracle/base.py

@@ -258,9 +258,8 @@ def regex_lookup_10(self, lookup_type):
     def regex_lookup(self, lookup_type):
         # If regex_lookup is called before it's been initialized, then create
         # a cursor to initialize it and recur.
-        from django.db import connection
-        connection.cursor()
-        return connection.ops.regex_lookup(lookup_type)
+        self.connection.cursor()
+        return self.connection.ops.regex_lookup(lookup_type)
 
     def return_insert_id(self):
         return "RETURNING %s INTO %%s", (InsertIdVar(),)