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| author | Aleksey Midenkov <midenok@gmail.com> | 2020-10-29 12:14:19 +0300 |
|---|---|---|
| committer | Aleksey Midenkov <midenok@gmail.com> | 2020-10-29 13:47:50 +0300 |
| commit | 27b762e23d8305bbc65dc61d283fe192e2dbd00a (patch) | |
| tree | 6f154756c7f83ee0f3cc1f13385a6c93afe24e00 /sql | |
| parent | e451145aa981f3442977975687087183a05cda88 (diff) | |
| download | mariadb-git-27b762e23d8305bbc65dc61d283fe192e2dbd00a.tar.gz | |
MDEV-22805 SIGSEGV in check_fields on UPDATE
Additional case for PS protocol: UPDATE is converted to multi-update
in mysql_multi_update_prepare().
Diffstat (limited to 'sql')
| -rw-r--r-- | sql/sql_update.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sql/sql_update.cc b/sql/sql_update.cc index c687b6ca2f5..9514b193407 100644 --- a/sql/sql_update.cc +++ b/sql/sql_update.cc @@ -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++);) { |