mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 20:36:16 +01:00
27 lines
1.1 KiB
Text
27 lines
1.1 KiB
Text
create table t1(a bit(1), b int auto_increment ,id int, index(a,b));
|
|
insert into t1 values(1,null,1);
|
|
insert into t1 values(1,null,2);
|
|
insert into t1 values(0,null,3);
|
|
insert into t1 values(0,null,4);
|
|
select a+0, b as auto_increment , id from t1 order by id;
|
|
drop table t1;
|
|
create table t1(a int auto_increment, b bit(5) ,id int, index (b,a));
|
|
insert into t1 values(null,b'1',1);
|
|
insert into t1 values(null,b'1',2);
|
|
insert into t1 values(null,b'11',3);
|
|
insert into t1 values(null,b'11',4);
|
|
select a as auto_increment, b+0, id from t1 order by id;
|
|
drop table t1;
|
|
create table t1(a bit(1), b int auto_increment , c bit(1) , d bit(1), id int,index(a,c,b,d));
|
|
insert into t1 values(1,null,1,1,1);
|
|
insert into t1 values(1,null,1,1,2);
|
|
insert into t1 values(0,null,1,1,3);
|
|
insert into t1 values(1,null,0,1,4);
|
|
select a+0, b as auto_increment, c+0, d+0, id from t1 order by id;
|
|
drop table t1;
|
|
CREATE TABLE t1 (b BIT(1), pk INTEGER AUTO_INCREMENT PRIMARY KEY);
|
|
ALTER TABLE t1 ADD INDEX(b,pk);
|
|
INSERT INTO t1 VALUES (1,b'1');
|
|
ALTER TABLE t1 DROP PRIMARY KEY;
|
|
select b+0, pk as auto_increment from t1;
|
|
DROP TABLE t1;
|