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-21028 Server crashes in Query_arena::set_query_arena upon SELECT from view

Browse Source 
if the view has algorithm=temptable it is not updatable,
so DEFAULT() for its fields is meaningless,
and thus it's NULL or 0/'' for NOT NULL columns.
This commit is contained in:
Sergei Golubchik
2022-04-19 17:09:19 +02:00
parent 9c5fd0f624
commit 5ba77222e9
3 changed files with 71 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
sql/sql_select.cc
View File

@ -16333,7 +16333,8 @@ Field *create_tmp_field_from_field(THD *thd, Field *org_field,
table->s->db_create_options|= HA_OPTION_PACK_RECORD;
else if (org_field->type() == FIELD_TYPE_DOUBLE)
((Field_double *) new_field)->not_fixed= TRUE;
new_field->vcol_info= 0;
new_field->vcol_info= new_field->default_value=
new_field->check_constraint= 0;
new_field->cond_selectivity= 1.0;
new_field->next_equal_field= NULL;
new_field->option_list= NULL;