1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#
# Start of 5.5 tests
#
#
# MDEV-15955 Assertion `field_types == 0 || field_types[field_pos] == MYSQL_TYPE_LONGLONG' failed in Protocol_text::store_longlong
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
SELECT @a := 1 FROM t1 ORDER BY STRCMP(STDDEV_SAMP(a), 'bar');
@a := 1
1
SELECT COALESCE(1) FROM t1 ORDER BY STRCMP(STDDEV_SAMP(a), 'bar');
COALESCE(1)
1
SELECT COALESCE(@a:=1) FROM t1 ORDER BY STRCMP(STDDEV_SAMP(a), 'bar');
COALESCE(@a:=1)
1
SELECT COALESCE(@a) FROM t1 ORDER BY STRCMP(STDDEV_SAMP(a), 'bar');
COALESCE(@a)
1
DROP TABLE t1;
#
# MDEV-21065 UNIQUE constraint causes a query with string comparison to omit a row in the result set
#
CREATE TABLE t1 (c0 INT UNIQUE);
INSERT INTO t1 VALUES (NULL), (NULL), (NULL), (NULL), (1), (0);
SELECT * FROM t1 WHERE c0 < '\n2';
c0
0
1
DROP TABLE t1;
SELECT CAST('\n2' AS INT);
CAST('\n2' AS INT)
2
#
# End of 5.5 tests
#
#
# Start of 10.1 tests
#
#
# MDEV-8741 Equal field propagation leaves some remainders after simplifying WHERE zerofill_column=2010 AND zerofill_column>=2010
#
CREATE TABLE t1 (a INT ZEROFILL);
INSERT INTO t1 VALUES (2010),(2020);
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=2010 AND a>=2010;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 2010)
DROP TABLE t1;
#
# MDEV-8369 Unexpected impossible WHERE for a condition on a ZEROFILL field
#
CREATE TABLE t1 (a INT ZEROFILL);
INSERT INTO t1 VALUES (128),(129);
SELECT * FROM t1 WHERE a=128;
a
0000000128
SELECT * FROM t1 WHERE hex(a)='80';
a
0000000128
SELECT * FROM t1 WHERE a=128 AND hex(a)='80';
a
0000000128
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE a=128 AND hex(a)='80';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 128) and (hex(`test`.`t1`.`a`) = '80'))
DROP TABLE t1;
#
# End of 10.1 tests
#
|
