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

Merge rurik.mysql.com:/home/igor/mysql-4.1

Browse Source 
into rurik.mysql.com:/home/igor/dev/mysql-4.1-0
This commit is contained in:
igor@rurik.mysql.com
2005-04-20 15:08:22 -07:00
parent 737a866faa 25c396628a
commit 20250dc497
3 changed files with 39 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
sql/sql_select.cc
View File

@ -4779,7 +4779,7 @@ static Field* create_tmp_field_from_field(THD *thd, Field* org_field,
item->result_field= new_field;
else
new_field->field_name= name;
if (org_field->maybe_null())
if (org_field->maybe_null() || (item && item->maybe_null))
new_field->flags&= ~NOT_NULL_FLAG; // Because of outer join
if (org_field->type() == FIELD_TYPE_VAR_STRING)
table->db_create_options|= HA_OPTION_PACK_RECORD;
@ -9199,7 +9199,19 @@ bool JOIN::rollup_init()
for (j=0 ; j < fields_list.elements ; j++)
rollup.fields[i].push_back(rollup.null_items[i]);
}
List_iterator_fast<Item> it(fields_list);
Item *item;
while ((item= it++))
{
ORDER *group_tmp;
for (group_tmp= group_list; group_tmp; group_tmp= group_tmp->next)
{
if (*group_tmp->item == item)
item->maybe_null= 1;
}
}
return 0;
}