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author | Sergei Golubchik <serg@mariadb.org> | 2017-07-12 12:49:29 +0200 |
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committer | Sergei Golubchik <serg@mariadb.org> | 2017-07-12 12:49:29 +0200 |
commit | be55bbc2b206f2fe295ad4179b23791c3119fe02 (patch) | |
tree | 971b6068aafb40efc133dbdb51557d5f2e497e3e /mysql-test | |
parent | c5975eaea174460e774e77717e972a8d32e6c8de (diff) | |
download | mariadb-git-be55bbc2b206f2fe295ad4179b23791c3119fe02.tar.gz |
MDEV-7826 Server crashes in Item_subselect::enumerate_field_refs_processor
upper->item can be NULL if we're referring to an aggregate function
Diffstat (limited to 'mysql-test')
-rw-r--r-- | mysql-test/r/group_by.result | 14 | ||||
-rw-r--r-- | mysql-test/t/group_by.test | 19 |
2 files changed, 33 insertions, 0 deletions
diff --git a/mysql-test/r/group_by.result b/mysql-test/r/group_by.result index 262bb2ebd84..2bd3c5c5c3d 100644 --- a/mysql-test/r/group_by.result +++ b/mysql-test/r/group_by.result @@ -2531,3 +2531,17 @@ select a from t1 group by a having a > 1; a drop table t1; set sql_mode= @save_sql_mode; +create table t1 (f1 int); +insert into t1 values (5),(9); +create table t2 (f2 int); +insert into t2 values (0),(6); +create table t3 (f3 int); +insert into t3 values (6),(3); +create table t4 (f4 int); +insert into t4 values (1),(0); +select +(select min(f1) from t1 where f1 in (select min(f4) from t2)) as field7, +(select count(*) from t3 where f3 in (select max(f4) from t2 group by field7)) +from t4; +ERROR 42S22: Reference 'field7' not supported (reference to group function) +drop table t1, t2, t3, t4; diff --git a/mysql-test/t/group_by.test b/mysql-test/t/group_by.test index 4162e9c67a1..9117262d9b0 100644 --- a/mysql-test/t/group_by.test +++ b/mysql-test/t/group_by.test @@ -1703,6 +1703,25 @@ select a as x from t1 group by x having x > 1; select a from t1 group by a having a > 1; drop table t1; set sql_mode= @save_sql_mode; + +# +# MDEV-7826 Server crashes in Item_subselect::enumerate_field_refs_processor +# +create table t1 (f1 int); +insert into t1 values (5),(9); +create table t2 (f2 int); +insert into t2 values (0),(6); +create table t3 (f3 int); +insert into t3 values (6),(3); +create table t4 (f4 int); +insert into t4 values (1),(0); +--error ER_ILLEGAL_REFERENCE +select +(select min(f1) from t1 where f1 in (select min(f4) from t2)) as field7, +(select count(*) from t3 where f3 in (select max(f4) from t2 group by field7)) +from t4; +drop table t1, t2, t3, t4; + # # End of MariaDB 5.5 tests # |