blob: ae48b30997ab31f1ddd2b43e0d6f398140a7eec7 (
plain)
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
|
#
# test of unsigned int
#
--disable_warnings
drop table if exists t1;
--enable_warnings
SET SQL_WARNINGS=1;
create table t1 (this int unsigned);
insert into t1 values (1);
insert ignore into t1 values (-1);
insert ignore into t1 values ('5000000000');
select * from t1;
drop table t1;
# End of 4.1 tests
create table t1 (a bigint unsigned, b mediumint unsigned);
insert t1 values (1,2),(0xffffffffffffffff,0xffffff);
select coalesce(a,b), coalesce(b,a) from t1;
create table t2 as select a from t1 union select b from t1;
show create table t2;
select * from t2;
drop table t1, t2;
--echo #
--echo # Start of 10.0 tests
--echo #
--echo #
--echo # MDEV-6950 Bad results with joins comparing DATE and INT/ENUM/VARCHAR columns
--echo #
CREATE TABLE t1 (a DATE PRIMARY KEY);
INSERT INTO t1 VALUES ('1999-01-01');
CREATE TABLE t2 (a INT UNSIGNED);
INSERT INTO t2 VALUES (19990101);
INSERT INTO t2 VALUES (990101);
SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a;
SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
ALTER TABLE t2 ADD PRIMARY KEY(a);
SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a;
SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
--echo # t2 should NOT be eliminated
EXPLAIN SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
DROP TABLE t1,t2;
--echo #
--echo # End of 10.0 tests
--echo #
|
