revision-id: 8460db12b5adb7337935d9a8a895eb72203343fc (mariadb-10.1.43-226-g8460db12b5a) parent(s): b000d6952f655f837bc8c241add196f80a997e63 author: Sergei Petrunia committer: Sergei Petrunia timestamp: 2020-07-25 12:59:53 +0300 message: Add testcases for MDEV-20557, MDEV-21649 --- mysql-test/r/subselect_exists2in.result | 57 +++++++++++++++++++++++++++++ mysql-test/t/subselect_exists2in.test | 64 +++++++++++++++++++++++++++++++++ 2 files changed, 121 insertions(+) diff --git a/mysql-test/r/subselect_exists2in.result b/mysql-test/r/subselect_exists2in.result index 5a66aa2cd02..23b252c92d6 100644 --- a/mysql-test/r/subselect_exists2in.result +++ b/mysql-test/r/subselect_exists2in.result @@ -1042,4 +1042,61 @@ US AAAA1111 US NULL US NULL 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; diff --git a/mysql-test/t/subselect_exists2in.test b/mysql-test/t/subselect_exists2in.test index 877475f97ed..7ffb4bf0633 100644 --- a/mysql-test/t/subselect_exists2in.test +++ b/mysql-test/t/subselect_exists2in.test @@ -876,5 +876,69 @@ execute s; 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 set optimizer_switch=default;