blob: d045d4865dc1910f181f335b38dd9bcc3e29d34b (
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
51
52
53
54
55
56
|
select database();
database()
test
select charset(database());
charset(database())
utf8
select database() = "test";
database() = "test"
1
select database() = _utf8"test";
database() = _utf8"test"
1
select database() = _latin1"test";
database() = _latin1"test"
1
select user() like "%@%";
user() like "%@%"
1
select user() like _utf8"%@%";
user() like _utf8"%@%"
1
select user() like _latin1"%@%";
user() like _latin1"%@%"
1
select charset(user());
charset(user())
utf8
select version()>="3.23.29";
version()>="3.23.29"
1
select version()>=_utf8"3.23.29";
version()>=_utf8"3.23.29"
1
select version()>=_latin1"3.23.29";
version()>=_latin1"3.23.29"
1
select charset(version());
charset(version())
utf8
explain extended select database(), user();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache database() AS `database()`,user() AS `user()`
create table t1 (version char(40)) select database(), user(), version() as 'version';
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`database()` char(34) character set utf8 NOT NULL default '',
`user()` char(77) character set utf8 NOT NULL default '',
`version` char(40) default NULL
) TYPE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
select TRUE,FALSE,NULL;
TRUE FALSE NULL
1 0 NULL
|
