database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

Bug#38195: Incorrect handling of aggregate functions when loose index scan

Browse Source 
is used causes server crash.
  Revert the fix : unstable test case revealed by pushbuild
This commit is contained in:
Georgi Kodinov
2008-08-19 13:36:24 +03:00
parent 81470ec3e5
commit 4b2dd02552
3 changed files with 1 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
sql/sql_select.cc
View File

@ -1724,8 +1724,7 @@ JOIN::exec()
if (!items1)
{
items1= items0 + all_fields.elements;
if (sort_and_group || curr_tmp_table->group ||
tmp_table_param.precomputed_group_by)
if (sort_and_group || curr_tmp_table->group)
{
if (change_to_use_tmp_fields(thd, items1,
tmp_fields_list1, tmp_all_fields1,
@ -9260,8 +9259,6 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
MI_COLUMNDEF *recinfo;
uint total_uneven_bit_length= 0;
bool force_copy_fields= param->force_copy_fields;
/* Treat sum functions as normal ones when loose index scan is used. */
save_sum_fields|= param->precomputed_group_by;
DBUG_ENTER("create_tmp_table");
DBUG_PRINT("enter",("distinct: %d save_sum_fields: %d rows_limit: %lu group: %d",
(int) distinct, (int) save_sum_fields,