MDEV-4564 ALTER on a temporary table generates an audit event

This commit is contained in:
Sergei Golubchik 2013-06-07 10:02:50 +02:00
parent 3bc814beda
commit 6625fad8ca
3 changed files with 14 additions and 5 deletions

View File

@ -44,6 +44,7 @@ insert t2 values ('2020-10-09');
select * from t2;
a
2020-10-09
alter table t2 add column b int;
drop table t2;
explain select distinct * from t2;
id select_type table type possible_keys key key_len ref rows Extra
@ -77,8 +78,8 @@ root[root] @ localhost [] test.t1 : read
root[root] @ localhost [] >> rename table t1 to t2
root[root] @ localhost [] test.t1 : rename to test.t2
root[root] @ localhost [] >> alter table t2 add column b int
root[root] @ localhost [] test.t2 : alter
root[root] @ localhost [] test.t2 : read
root[root] @ localhost [] test.t2 : alter
root[root] @ localhost [] >> create definer=testuser@localhost view v1 as select t2.a+1, t2_copy.a+2 from t2, t2 as t2_copy
root[root] @ localhost [] test.t2 : read
root[root] @ localhost [] test.t2 : read
@ -89,6 +90,7 @@ root[root] @ localhost [] >> drop view v1
root[root] @ localhost [] >> create temporary table t2 (a date)
root[root] @ localhost [] >> insert t2 values ('2020-10-09')
root[root] @ localhost [] >> select * from t2
root[root] @ localhost [] >> alter table t2 add column b int
root[root] @ localhost [] >> drop table t2
root[root] @ localhost [] >> explain select distinct * from t2
root[root] @ localhost [] test.t2 : read

View File

@ -38,6 +38,7 @@ drop view v1;
create temporary table t2 (a date);
insert t2 values ('2020-10-09');
select * from t2;
alter table t2 add column b int; # MDEV-4565 ALTER on a temporary table generates an audit event
drop table t2;
# internal temp table generates no audit events

View File

@ -6064,13 +6064,16 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
mysql_ha_rm_tables(thd, table_list);
mysql_audit_alter_table(thd, table_list);
/* DISCARD/IMPORT TABLESPACE is always alone in an ALTER TABLE */
if (alter_info->tablespace_op != NO_TABLESPACE_OP)
{
mysql_audit_alter_table(thd, table_list);
/* Conditionally writes to binlog. */
DBUG_RETURN(mysql_discard_or_import_tablespace(thd,table_list,
alter_info->tablespace_op));
bool ret= mysql_discard_or_import_tablespace(thd,table_list,
alter_info->tablespace_op);
DBUG_RETURN(ret);
}
/*
Code below can handle only base tables so ensure that we won't open a view.
@ -6262,6 +6265,9 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
my_error(ER_ILLEGAL_HA, MYF(0), table_name);
goto err;
}
if (table->s->tmp_table == NO_TMP_TABLE)
mysql_audit_alter_table(thd, table_list);
thd_proc_info(thd, "setup");
if (!(alter_info->flags & ~(ALTER_RENAME | ALTER_KEYS_ONOFF)) &&