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Kirill Smelkov
mariadb
Commits
463edf37
Commit
463edf37
authored
Feb 20, 2008
by
unknown
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Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0-opt
into moonbone.local:/work/33266-bug-5.0-opt-mysql
parents
18f885ed
daffceb4
Changes
2
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2 changed files
with
69 additions
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183 deletions
+69
-183
mysql-test/r/subselect.result
mysql-test/r/subselect.result
+31
-97
mysql-test/t/subselect.test
mysql-test/t/subselect.test
+38
-86
No files found.
mysql-test/r/subselect.result
View file @
463edf37
...
...
@@ -4147,103 +4147,37 @@ DROP TABLE t1,t2;
create table t1(a int,b int,key(a),key(b));
insert into t1(a,b) values (1,2),(2,1),(2,3),(3,4),(5,4),(5,5),
(6,7),(7,4),(5,3);
select sum(a),a from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1
)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1)
group by a;
sum(a) a
select sum(a),a from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1)
group by a;
ERROR HY000: Thread stack overrun detected
explain select sum(a),a from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1
)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1)
group by a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index a a 5 NULL 9 Using where; Using index
2 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
3 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
4 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
5 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
6 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
7 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
8 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
9 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
10 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
11 SUBQUERY t1 range a a 5 NULL 9 Using where; Using temporary; Using filesort
12 SUBQUERY t1 range a a 5 NULL 1 Using where; Using temporary; Using filesort
13 SUBQUERY t1 index NULL a 5 NULL 9 Using index
explain select sum(a),a from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
select sum(a) from t1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1
)group by b limit 1)group by b limit 1)group by b limit 1)
group by a;
ERROR HY000: Thread stack overrun detected
5
4
3
2
1
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
drop table t1;
CREATE TABLE t1 (a1 INT, a2 INT);
CREATE TABLE t2 (b1 INT, b2 INT);
...
...
mysql-test/t/subselect.test
View file @
463edf37
...
...
@@ -3006,92 +3006,44 @@ DROP TABLE t1,t2;
create
table
t1
(
a
int
,
b
int
,
key
(
a
),
key
(
b
));
insert
into
t1
(
a
,
b
)
values
(
1
,
2
),(
2
,
1
),(
2
,
3
),(
3
,
4
),(
5
,
4
),(
5
,
5
),
(
6
,
7
),(
7
,
4
),(
5
,
3
);
# test for the stack overflow bug
select
sum
(
a
),
a
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
a
;
--
replace_regex
/
overrun
.*
$
/
overrun
detected
/
--
error
1436
select
sum
(
a
),
a
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
a
;
# test for the memory consumption & subquery slowness bug
explain
select
sum
(
a
),
a
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
a
;
--
replace_regex
/
overrun
.*
$
/
overrun
detected
/
--
error
1436
explain
select
sum
(
a
),
a
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
b
limit
1
)
group
by
a
;
let
$nesting
=
26
;
let
$should_work_nesting
=
5
;
let
$start
=
select
sum
(
a
),
a
from
t1
where
a
>
(
select
sum
(
a
)
from
t1
;
let
$end
=
)
group
by
a
;
let
$start_app
=
where
a
>
(
select
sum
(
a
)
from
t1
;
let
$end_pre
=
)
group
by
b
limit
1
;
--
disable_result_log
--
disable_query_log
# At least 4 level nesting should work without errors
while
(
$should_work_nesting
)
{
--
echo
$should_work_nesting
eval
$start
$end
;
eval
explain
$start
$end
;
let
$start
=
$start
$start_app
;
let
$end
=
$end_pre
$end
;
dec
$should_work_nesting
;
}
# Other may fail with the 'stack overrun error'
while
(
$nesting
)
{
--
echo
$nesting
--
error
0
,
1436
eval
$start
$end
;
--
error
0
,
1436
eval
explain
$start
$end
;
let
$start
=
$start
$start_app
;
let
$end
=
$end_pre
$end
;
dec
$nesting
;
}
--
enable_result_log
--
enable_query_log
drop
table
t1
;
#
...
...
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