diff options
Diffstat (limited to 'mysql-test/t')
| -rw-r--r-- | mysql-test/t/func_group_innodb.test | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/mysql-test/t/func_group_innodb.test b/mysql-test/t/func_group_innodb.test index c62d3d08496..a65d2326d0f 100644 --- a/mysql-test/t/func_group_innodb.test +++ b/mysql-test/t/func_group_innodb.test @@ -192,4 +192,30 @@ EXPLAIN SELECT MIN(c) FROM t1 GROUP BY b; DROP TABLE t1; +--echo # +--echo # MDEV-17589: Stack-buffer-overflow with indexed varchar (utf8) field +--echo # + +set @save_innodb_file_format= @@innodb_file_format; +set @save_innodb_large_prefix= @@innodb_large_prefix; +set global innodb_file_format = BARRACUDA; +set global innodb_large_prefix = ON; + +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'; +SELECT MIN(t1.v1) FROM t1 where t1.v2='qu' and t1.v3='qu'; +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; +SELECT MIN(x.v1) FROM (SELECT t1.* FROM t1 WHERE t1.v1 >= 'p') x; +drop table t1; +set global innodb_file_format = @save_innodb_file_format; +set global innodb_large_prefix = @save_innodb_large_prefix; + --echo End of 5.5 tests |