diff options
Diffstat (limited to 'sql/item_sum.cc')
| -rw-r--r-- | sql/item_sum.cc | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc index c9ef2505d3d..f491795c449 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -1,4 +1,4 @@ -/* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. +/* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. rights reserved. This program is free software; you can redistribute it and/or modify @@ -3174,6 +3174,19 @@ void Item_func_group_concat::cleanup() } DBUG_ASSERT(tree == 0); } + /* + As the ORDER structures pointed to by the elements of the + 'order' array may be modified in find_order_in_list() called + from Item_func_group_concat::setup() to point to runtime + created objects, we need to reset them back to the original + arguments of the function. + */ + ORDER **order_ptr= order; + for (uint i= 0; i < arg_count_order; i++) + { + (*order_ptr)->item= &args[arg_count_field + i]; + order_ptr++; + } DBUG_VOID_RETURN; } |