alter_table.test
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:2k
- #
- # Test of alter table
- #
- drop table if exists t1;
- create table t1 (
- col1 int not null auto_increment primary key,
- col2 varchar(30) not null,
- col3 varchar (20) not null,
- col4 varchar(4) not null,
- col5 enum('PENDING', 'ACTIVE', 'DISABLED') not null,
- col6 int not null, to_be_deleted int);
- alter table t1
- add column col4_5 varchar(20) not null after col4,
- add column col7 varchar(30) not null after col6,
- add column col8 datetime not null, drop column to_be_deleted;
- drop table t1;
- create table t1 (bandID MEDIUMINT UNSIGNED NOT NULL PRIMARY KEY, payoutID SMALLINT UNSIGNED NOT NULL);
- insert into t1 (bandID,payoutID) VALUES (1,6),(2,6),(3,4),(4,9),(5,10),(6,1),(7,12),(8,12);
- alter table t1 add column new_col int, order by payoutid,bandid;
- select * from t1;
- alter table t1 order by bandid,payoutid;
- select * from t1;
- drop table t1;
- # Check that pack_keys and dynamic length rows are not forced.
- CREATE TABLE t1 (
- GROUP_ID int(10) unsigned DEFAULT '0' NOT NULL,
- LANG_ID smallint(5) unsigned DEFAULT '0' NOT NULL,
- NAME varchar(80) DEFAULT '' NOT NULL,
- PRIMARY KEY (GROUP_ID,LANG_ID),
- KEY NAME (NAME));
- #show table status like "t1";
- ALTER TABLE t1 CHANGE NAME NAME CHAR(80) not null;
- SHOW FULL COLUMNS FROM t1;
- DROP TABLE t1;
- #
- # Test of ALTER TABLE ... ORDER BY
- #
- create table t1 (n int);
- insert into t1 values(9),(3),(12),(10);
- alter table t1 order by n;
- select * from t1;
- drop table t1;
- CREATE TABLE t1 (
- id int(11) unsigned NOT NULL default '0',
- category_id tinyint(4) unsigned NOT NULL default '0',
- type_id tinyint(4) unsigned NOT NULL default '0',
- body text NOT NULL,
- user_id int(11) unsigned NOT NULL default '0',
- status enum('new','old') NOT NULL default 'new',
- PRIMARY KEY (id)
- ) TYPE=MyISAM;
- ALTER TABLE
- t1
- ORDER BY
- t1.id,
- t1.status,
- t1.type_id,
- t1.user_id,
- t1.body;
- drop table t1;