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Fixed LP bug #793386.

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Auto-generated names for view field items must be allocated in
the statement memory, not in the execution memory of the statement.
This commit is contained in:
Igor Babaev
2011-07-11 10:56:48 -07:00
parent f8db35bd15
commit 47aee19827
3 changed files with 45 additions and 0 deletions
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5
sql/sql_base.cc
View File

@ -5861,10 +5861,15 @@ find_field_in_view(THD *thd, TABLE_LIST *table_list,
*/
if (*ref && !(*ref)->is_autogenerated_name)
{
if (register_tree_change &&
thd->stmt_arena->is_stmt_prepare_or_first_stmt_execute())
arena= thd->activate_stmt_arena_if_needed(&backup);
item->set_name((*ref)->name, (*ref)->name_length,
system_charset_info);
item->real_item()->set_name((*ref)->name, (*ref)->name_length,
system_charset_info);
if (arena)
thd->restore_active_arena(arena, &backup);
}
if (register_tree_change)
thd->change_item_tree(ref, item);