4
4
select database() = "test";
7
select user() like "%@%";
10
select version() > "2009.01.756";
11
version() > "2009.01.756"
7
select database() = "test";
10
select user() like "%@%";
13
select user() like "%@%";
16
select version()>="3.23.29";
19
select version()>="3.23.29";
13
22
explain extended select database(), user();
14
23
id select_type table type possible_keys key key_len ref rows filtered Extra
15
24
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
17
Note 1003 select schema() AS `database()`,user() AS `user()`
26
Note 1003 select database() AS `database()`,user() AS `user()`
18
27
create table t1 (version char(60)) select database(), user(), version() as 'version';
19
28
show create table t1;
21
30
t1 CREATE TABLE `t1` (
22
`database()` VARBINARY(136) DEFAULT NULL,
23
`user()` VARBINARY(308) DEFAULT NULL,
24
`version` VARCHAR(60) COLLATE utf8_general_ci DEFAULT NULL
25
) ENGINE=DEFAULT COLLATE = utf8_general_ci
31
`database()` varchar(34) DEFAULT NULL,
32
`user()` varchar(77) DEFAULT NULL,
33
`version` varchar(60) DEFAULT NULL
27
36
select TRUE,FALSE,NULL;