database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

MDEV-22805 SIGSEGV in check_fields on UPDATE

Browse Source 
Additional case for PS protocol: UPDATE is converted to multi-update
in mysql_multi_update_prepare().
This commit is contained in:
Aleksey Midenkov
2020-10-29 12:14:19 +03:00
parent e451145aa9
commit 27b762e23d
3 changed files with 15 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
sql/sql_update.cc
View File

@ -190,6 +190,13 @@ static bool check_fields(THD *thd, TABLE_LIST *table, List<Item> &items,
my_error(ER_IT_IS_A_VIEW, MYF(0), table->table_name.str);
return TRUE;
}
if (thd->lex->sql_command == SQLCOM_UPDATE_MULTI)
{
my_error(ER_NOT_SUPPORTED_YET, MYF(0),
"updating and querying the same temporal periods table");
return true;
}
DBUG_ASSERT(thd->lex->sql_command == SQLCOM_UPDATE);
for (List_iterator_fast<Item> it(items); (item=it++);)
{