database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

MDEV-9847: Window functions: crash with big_tables=1

Browse Source 
- Move filesort's sort_positions argument into class Filesort.
- Make window function code construct Filesort with sort_positions=true.
This commit is contained in:
Sergei Petrunia
2016-04-06 20:34:23 +03:00
parent 0a34dc1e97
commit 2efabf81f1
9 changed files with 60 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
sql/sql_window.cc
View File

@ -1834,7 +1834,7 @@ bool Window_funcs_sort::setup(THD *thd, SQL_SELECT *sel,
ORDER* sort_order= concat_order_lists(thd->mem_root,
spec->partition_list->first,
spec->order_list->first);
filesort= new (thd->mem_root) Filesort(sort_order, HA_POS_ERROR, NULL);
filesort= new (thd->mem_root) Filesort(sort_order, HA_POS_ERROR, true, NULL);
/* Apply the same condition that the subsequent sort has. */
filesort->select= sel;