diff options
Diffstat (limited to 'mysql-test/r/subselect.result')
| -rw-r--r-- | mysql-test/r/subselect.result | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result index 789cfe2fdca..8fc9cd38728 100644 --- a/mysql-test/r/subselect.result +++ b/mysql-test/r/subselect.result @@ -7116,3 +7116,33 @@ SELECT * FROM t1 WHERE f2 <= SOME ( SELECT f1 FROM t1 ); f1 f2 foo bar DROP TABLE t1; +# +# MDEV-10146: Wrong result (or questionable result and behavior) +# with aggregate function in uncorrelated SELECT subquery +# +CREATE TABLE t1 (f1 INT); +CREATE VIEW v1 AS SELECT * FROM t1; +INSERT INTO t1 VALUES (1),(2); +CREATE TABLE t2 (f2 int); +INSERT INTO t2 VALUES (3); +SELECT ( SELECT MAX(f1) FROM t2 ) FROM t1; +( SELECT MAX(f1) FROM t2 ) +2 +SELECT ( SELECT MAX(f1) FROM t2 ) FROM v1; +( SELECT MAX(f1) FROM t2 ) +2 +INSERT INTO t2 VALUES (4); +SELECT ( SELECT MAX(f1) FROM t2 ) FROM v1; +ERROR 21000: Subquery returns more than 1 row +SELECT ( SELECT MAX(f1) FROM t2 ) FROM t1; +ERROR 21000: Subquery returns more than 1 row +drop view v1; +drop table t1,t2; +CREATE TABLE t1 (f1 INT, KEY(f1)) ENGINE=MyISAM; +INSERT t1 VALUES (4),(8); +CREATE TABLE t2 (f2 INT, KEY(f2)) ENGINE=MyISAM; +INSERT t2 VALUES (6),(9); +SELECT (SELECT MAX(sq.f2) FROM t1) FROM (SELECT * FROM t2) AS sq WHERE f2 = 2; +(SELECT MAX(sq.f2) FROM t1) +NULL +drop table t1, t2; |