[soc2010/query-refactor] Fixed update on MongoDB.

git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2010/query-refactor@13342 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/mongodb/compiler.py

@@ -75,4 +75,13 @@ class SQLInsertCompiler(SQLCompiler):
         return self.connection.db[self.query.model._meta.db_table].insert(values)
 
 class SQLUpdateCompiler(SQLCompiler):
-    pass
+    def update(self, result_type):
+        # TODO: more asserts
+        filters = self.get_filters(self.query.where)
+        # TODO: Don't use set for everything, use INC and such where
+        # appropriate.
+        return self.connection.db[self.query.model._meta.db_table].update(
+            filters,
+            {"$set": dict((f.column, val) for f, o, val in self.query.values)},
+            multi=True
+        )

django/db/models/query.py

@@ -488,7 +488,7 @@ class QuerySet(object):
         query = self.query.clone(sql.UpdateQuery)
         query.add_update_fields(values)
         self._result_cache = None
-        return query.get_compiler(self.db).execute_sql(None)
+        return query.get_compiler(self.db).update(None)
     _update.alters_data = True
 
     def exists(self):

django/db/models/sql/compiler.py

@@ -866,6 +866,9 @@ class SQLUpdateCompiler(SQLCompiler):
         if where:
             result.append('WHERE %s' % where)
         return ' '.join(result), tuple(update_params + params)
+    
+    def update(self, *args, **kwargs):
+        return self.execute_sql(*args, **kwargs)
 
     def execute_sql(self, result_type):
         """