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Text File | 2003-01-21 | 2.4 KB | 85 lines | [TEXT/ttxt] |
- #
- # 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;
-
- #
- # The following combination found a hang-bug in MyISAM
- #
-
- CREATE TABLE t1 (AnamneseId int(10) unsigned NOT NULL auto_increment,B BLOB,PRIMARY KEY (AnamneseId)) type=myisam;
- insert into t1 values (null,"hello");
- LOCK TABLES t1 WRITE;
- ALTER TABLE t1 ADD Column new_col int not null;
- UNLOCK TABLES;
- OPTIMIZE TABLE t1;
- DROP TABLE t1;
-
- #
- # Drop and add an auto_increment column
- #
-
- create table t1 (i int unsigned not null auto_increment primary key);
- insert into t1 values (null),(null),(null),(null);
- alter table t1 drop i,add i int unsigned not null auto_increment, drop primary key, add primary key (i);
- select * from t1;
- drop table t1;
-
-