diff options
Diffstat (limited to 'sql/opt_sum.cc')
| -rw-r--r-- | sql/opt_sum.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sql/opt_sum.cc b/sql/opt_sum.cc index 5962e7de706..cda35895a3d 100644 --- a/sql/opt_sum.cc +++ b/sql/opt_sum.cc @@ -1,5 +1,5 @@ -/* Copyright (c) 2000, 2011 Oracle and/or its affiliates. - Copyright (c) 2010, 2011 Monty Program Ab +/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. + Copyright (c) 2008-2011 Monty Program Ab This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -301,7 +301,8 @@ int opt_sum_query(THD *thd, is_exact_count= FALSE; count= 1; // ensure count != 0 } - else if (tl->is_materialized_derived()) + else if (tl->is_materialized_derived() || + tl->jtbm_subselect) { /* Can't remove a derived table as it's number of rows is just an |