Commit 8460db12 authored by Sergei Petrunia's avatar Sergei Petrunia

Add testcases for MDEV-20557, MDEV-21649

parent b000d695
...@@ -1042,4 +1042,61 @@ US AAAA1111 ...@@ -1042,4 +1042,61 @@ US AAAA1111
US NULL US NULL
US NULL US NULL
drop table t1,t2; drop table t1,t2;
#
# MDEV-20557: SQL query with duplicate table aliases consistently crashes server
# (Just a testcase)
#
create table t1 (id int, id2 int);
create table t2 (id int, id2 int, a int);
create table t3 (id int);
create table t4 (id int);
select (select 1 from t1 where (exists
(select 1 from t2
where t2.a = (select t4.id from t4 where t4.id = t3.id) and t2.id2 = t1.id2))) dt
from t3;
ERROR 42000: This version of MariaDB doesn't yet support 'SUBQUERY in ROW in left expression of IN/ALL/ANY'
drop table t1,t2,t3,t4;
#
# MDEV-21649: Crash when using nested EXISTS
# (Just a testcase)
#
CREATE TABLE t1 (id INT NOT NULL AUTO_INCREMENT, PRIMARY KEY(id));
CREATE TABLE t2 (id INT NOT NULL AUTO_INCREMENT, ip_id INT, PRIMARY KEY(id));
CREATE TABLE t3 (id INT NOT NULL AUTO_INCREMENT, storage_method_id INT, storage_target_id INT, PRIMARY KEY(id));
SELECT
W0.`id`
FROM
`t1` W0
WHERE (
EXISTS(
SELECT
V0.`id`
FROM
`t2` V0
WHERE (
EXISTS(
SELECT
U0.`id`
FROM
`t2` U0
INNER JOIN `t3` U4 ON (U0.`id` = U4.`storage_target_id`)
WHERE (
U0.`ip_id` = V0.`ip_id`
AND U4.`storage_method_id` = (
SELECT
U5.`storage_method_id`
FROM
`t3` U5
WHERE
U5.`storage_target_id` = V0.`id`
LIMIT
1
)
)
)
)
)
);
id
drop table t1,t2,t3;
set optimizer_switch=default; set optimizer_switch=default;
...@@ -876,5 +876,69 @@ execute s; ...@@ -876,5 +876,69 @@ execute s;
drop table t1,t2; drop table t1,t2;
--echo #
--echo # MDEV-20557: SQL query with duplicate table aliases consistently crashes server
--echo # (Just a testcase)
--echo #
create table t1 (id int, id2 int);
create table t2 (id int, id2 int, a int);
create table t3 (id int);
create table t4 (id int);
--error ER_NOT_SUPPORTED_YET
select (select 1 from t1 where (exists
(select 1 from t2
where t2.a = (select t4.id from t4 where t4.id = t3.id) and t2.id2 = t1.id2))) dt
from t3;
drop table t1,t2,t3,t4;
--echo #
--echo # MDEV-21649: Crash when using nested EXISTS
--echo # (Just a testcase)
--echo #
CREATE TABLE t1 (id INT NOT NULL AUTO_INCREMENT, PRIMARY KEY(id));
CREATE TABLE t2 (id INT NOT NULL AUTO_INCREMENT, ip_id INT, PRIMARY KEY(id));
CREATE TABLE t3 (id INT NOT NULL AUTO_INCREMENT, storage_method_id INT, storage_target_id INT, PRIMARY KEY(id));
SELECT
W0.`id`
FROM
`t1` W0
WHERE (
EXISTS(
SELECT
V0.`id`
FROM
`t2` V0
WHERE (
EXISTS(
SELECT
U0.`id`
FROM
`t2` U0
INNER JOIN `t3` U4 ON (U0.`id` = U4.`storage_target_id`)
WHERE (
U0.`ip_id` = V0.`ip_id`
AND U4.`storage_method_id` = (
SELECT
U5.`storage_method_id`
FROM
`t3` U5
WHERE
U5.`storage_target_id` = V0.`id`
LIMIT
1
)
)
)
)
)
);
drop table t1,t2,t3;
#restore defaults #restore defaults
set optimizer_switch=default; set optimizer_switch=default;
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