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| author | Sergei Golubchik <serg@mariadb.org> | 2019-01-03 13:09:41 +0100 |
|---|---|---|
| committer | Sergei Golubchik <serg@mariadb.org> | 2019-01-03 13:09:41 +0100 |
| commit | 6bb11efa4a7ba813eb4aa2548f95b7297d70f3d7 (patch) | |
| tree | 3c2dfb2dfbbb0a2471bdcfb0f0c122f823cc80ab /mysql-test/main/func_group_innodb.result | |
| parent | ab4bc8442094a2be8cdb74bfcddfccede81ac03d (diff) | |
| parent | 842402e4df35c230e7a416ce3ef8df3055f03d60 (diff) | |
| download | mariadb-git-6bb11efa4a7ba813eb4aa2548f95b7297d70f3d7.tar.gz | |
Merge branch '10.2' into 10.3
Diffstat (limited to 'mysql-test/main/func_group_innodb.result')
| -rw-r--r-- | mysql-test/main/func_group_innodb.result | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mysql-test/main/func_group_innodb.result b/mysql-test/main/func_group_innodb.result index 27493ae710b..e149997af4f 100644 --- a/mysql-test/main/func_group_innodb.result +++ b/mysql-test/main/func_group_innodb.result @@ -246,4 +246,28 @@ EXPLAIN SELECT MIN(c) FROM t1 GROUP BY b; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range NULL b 263 NULL 3 Using index for group-by DROP TABLE t1; +# +# MDEV-17589: Stack-buffer-overflow with indexed varchar (utf8) field +# +CREATE TABLE t1 (v1 varchar(1020), v2 varchar(2), v3 varchar(2), +KEY k1 (v3,v2,v1)) ENGINE=InnoDB CHARACTER SET=utf8 ROW_FORMAT=DYNAMIC; +INSERT INTO t1 VALUES ('king', 'qu','qu'), ('bad','go','go'); +explain +SELECT MIN(t1.v1) FROM t1 where t1.v2='qu' and t1.v3='qu'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away +SELECT MIN(t1.v1) FROM t1 where t1.v2='qu' and t1.v3='qu'; +MIN(t1.v1) +king +drop table t1; +CREATE TABLE t1 (v1 varchar(1024) CHARACTER SET utf8, KEY v1 (v1)) ENGINE=InnoDB ROW_FORMAT=DYNAMIC; +INSERT INTO t1 VALUES ('king'), ('bad'); +explain +SELECT MIN(x.v1) FROM (SELECT t1.* FROM t1 WHERE t1.v1 >= 'p') x; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No matching min/max row +SELECT MIN(x.v1) FROM (SELECT t1.* FROM t1 WHERE t1.v1 >= 'p') x; +MIN(x.v1) +NULL +drop table t1; End of 5.5 tests |