mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 05:22:25 +01:00
1f6ecc0cd3
Cleaned up test; Removed wrong DROP TABLE commands and use standard table and database names. changed store_warning() -> push_warning_print()
16 lines
574 B
Text
16 lines
574 B
Text
drop table if exists t1;
|
|
select {fn length("hello")}, { date "1997-10-20" };
|
|
{fn length("hello")} 1997-10-20
|
|
5 1997-10-20
|
|
create table t1 (a int not null auto_increment,b int not null,primary key (a,b));
|
|
insert into t1 SET A=NULL,B=1;
|
|
insert into t1 SET a=null,b=2;
|
|
select * from t1 where a is null and b=2;
|
|
a b
|
|
2 2
|
|
select * from t1 where a is null;
|
|
a b
|
|
explain select * from t1 where b is null;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
|
|
drop table t1;
|