Merge branch 'azure-1.11' of https://github.com/guifran001/django-pyodbc into guifran001-azure-1.11

Author: michiya

sql_server/pyodbc/operations.py

@@ -226,7 +226,7 @@ def for_update_sql(self, nowait=False, skip_locked=False):
         Returns the FOR UPDATE SQL clause to lock rows for an update operation.
         """
         if skip_locked:
-            return 'WITH (NOLOCK)'
+            return 'WITH (ROWLOCK, UPDLOCK, READPAST)'
         elif nowait:
             return 'WITH (NOWAIT, ROWLOCK, UPDLOCK)'
         else: