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Merge 10.3 into 10.4

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This commit is contained in:
Marko Mäkelä
2019-01-06 17:43:02 +02:00
parent 2465d3e00b faf206a848
commit 734510a44d
155 changed files with 2039 additions and 2610 deletions
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24
mysql-test/main/func_group_innodb.result
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@ -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 2 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