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| author | Sergei Petrunia <psergey@askmonty.org> | 2021-04-23 19:45:09 +0300 |
|---|---|---|
| committer | Sergei Petrunia <psergey@askmonty.org> | 2021-04-25 21:23:56 +0300 |
| commit | 2f6912dabcb85382eea004f590ad51815c20e5c5 (patch) | |
| tree | 0b50a458c2c9d0d67a688e63e22da192569d24dd | |
| parent | c72c77ca3bcb9d29903f95bf37c9930224984d29 (diff) | |
| download | mariadb-git-2f6912dabcb85382eea004f590ad51815c20e5c5.tar.gz | |
MDEV-24898: Server crashes in st_select_lex::next_selectbb-10.2-tmp1
(trivial backport to 10.2)
Add a testcase
| -rw-r--r-- | mysql-test/r/subselect4.result | 11 | ||||
| -rw-r--r-- | mysql-test/t/subselect4.test | 13 |
2 files changed, 24 insertions, 0 deletions
diff --git a/mysql-test/r/subselect4.result b/mysql-test/r/subselect4.result index ef75bd97fcc..4021f717964 100644 --- a/mysql-test/r/subselect4.result +++ b/mysql-test/r/subselect4.result @@ -2772,3 +2772,14 @@ GROUP BY 1 ) 1 DROP TABLE t1; +# +# MDEV-24898: Server crashes in st_select_lex::next_select / Item_subselect::is_expensive +# (Testcase) +# +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1),(2); +CREATE TABLE t2 (b INT); +INSERT INTO t2 VALUES (3),(4); +SELECT 1 IN (SELECT (SELECT a FROM t1) AS x FROM t2 GROUP BY x); +ERROR 21000: Subquery returns more than 1 row +drop table t1,t2; diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index dae9e71fd92..e218e3aab18 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -2269,3 +2269,16 @@ SELECT ); DROP TABLE t1; + +--echo # +--echo # MDEV-24898: Server crashes in st_select_lex::next_select / Item_subselect::is_expensive +--echo # (Testcase) +--echo # +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1),(2); # Optional, fails either way +CREATE TABLE t2 (b INT); +INSERT INTO t2 VALUES (3),(4); # Optional, fails either way + +--error ER_SUBQUERY_NO_1_ROW +SELECT 1 IN (SELECT (SELECT a FROM t1) AS x FROM t2 GROUP BY x); +drop table t1,t2; |