~drizzle-trunk/drizzle/development

drop table if exists t1,t2;
drop database if exists mysqltest;
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);
insert into t1 values (2,4,3,5,"PENDING",1,7);
alter table t1
add column col4_5 varchar(20) not null after col4,
add column col7 varchar(30) not null after col5,
add column col8 datetime not null, drop column to_be_deleted,
change column col2 fourth varchar(30) not null after col3,
modify column col6 int not null first;
select * from t1;
col6	col1	col3	fourth	col4	col4_5	col5	col7	col8
1	2	3	4	5		PENDING		0000-00-00 00:00:00
drop table t1;
create table t1 (bandID INT NOT NULL PRIMARY KEY, payoutID int 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;
select * from t1;
bandID	payoutID	new_col
1	6	NULL
2	6	NULL
3	4	NULL
4	9	NULL
5	10	NULL
6	1	NULL
7	12	NULL
8	12	NULL
alter table t1;
select * from t1;
bandID	payoutID	new_col
1	6	NULL
2	6	NULL
3	4	NULL
4	9	NULL
5	10	NULL
6	1	NULL
7	12	NULL
8	12	NULL
drop table t1;
CREATE TABLE t1 (
GROUP_ID int DEFAULT '0' NOT NULL,
LANG_ID int DEFAULT '0' NOT NULL,
NAME varchar(80) DEFAULT '' NOT NULL,
PRIMARY KEY (GROUP_ID,LANG_ID),
KEY NAME (NAME));
ALTER TABLE t1 CHANGE NAME NAME CHAR(80) not null;
SHOW FULL COLUMNS FROM t1;
Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
GROUP_ID	int	NULL	NO	PRI	0		#	
LANG_ID	int	NULL	NO	PRI	0		#	
NAME	varchar(80)	utf8_general_ci	NO	MUL	NULL		#	
DROP TABLE t1;
create table t1 (n int);
insert into t1 values(9),(3),(12),(10);
alter table t1 order by n;
select * from t1;
n
3
9
10
12
drop table t1;
CREATE TEMPORARY TABLE t1 (
id int NOT NULL default '0',
category_id int NOT NULL default '0',
type_id int NOT NULL default '0',
body text NOT NULL,
user_id int NOT NULL default '0',
status enum('new','old') NOT NULL default 'new',
PRIMARY KEY (id)
) ENGINE=MyISAM;
ALTER TABLE t1 ORDER BY t1.id, t1.status, t1.type_id, t1.user_id, t1.body;
DROP TABLE t1;
create table t1 (i int not null auto_increment primary key);
insert into t1 values (null),(null),(null),(null);
alter table t1 drop i,add i int not null auto_increment, drop primary key, add primary key (i);
select * from t1;
i
1
2
3
4
drop table t1;
create table t1 (name char(15));
insert into t1 (name) values ("current");
create database mysqltest;
create table mysqltest.t1 (name char(15));
insert into mysqltest.t1 (name) values ("mysqltest");
select * from t1;
name
current
select * from mysqltest.t1;
name
mysqltest
alter table t1 rename mysqltest.t1;
ERROR 42S01: Table 't1' already exists
select * from t1;
name
current
select * from mysqltest.t1;
name
mysqltest
drop table t1;
drop database mysqltest;
create table t1 (n1 int not null, n2 int, n3 int, n4 float,
unique(n1),
key (n1, n2, n3, n4),
key (n2, n3, n4, n1),
key (n3, n4, n1, n2),
key (n4, n1, n2, n3) );
alter table t1;
show keys from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	n1	1	n1	A	0	NULL	NULL		BTREE		
t1	1	n1_2	1	n1	A	0	NULL	NULL		BTREE		
t1	1	n1_2	2	n2	A	0	NULL	NULL	YES	BTREE		
t1	1	n1_2	3	n3	A	0	NULL	NULL	YES	BTREE		
t1	1	n1_2	4	n4	A	0	NULL	NULL	YES	BTREE		
t1	1	n2	1	n2	A	0	NULL	NULL	YES	BTREE		
t1	1	n2	2	n3	A	0	NULL	NULL	YES	BTREE		
t1	1	n2	3	n4	A	0	NULL	NULL	YES	BTREE		
t1	1	n2	4	n1	A	0	NULL	NULL		BTREE		
t1	1	n3	1	n3	A	0	NULL	NULL	YES	BTREE		
t1	1	n3	2	n4	A	0	NULL	NULL	YES	BTREE		
t1	1	n3	3	n1	A	0	NULL	NULL		BTREE		
t1	1	n3	4	n2	A	0	NULL	NULL	YES	BTREE		
t1	1	n4	1	n4	A	0	NULL	NULL	YES	BTREE		
t1	1	n4	2	n1	A	0	NULL	NULL		BTREE		
t1	1	n4	3	n2	A	0	NULL	NULL	YES	BTREE		
t1	1	n4	4	n3	A	0	NULL	NULL	YES	BTREE		
set autocommit=0;
begin;
insert into t1 values(10,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(9,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(8,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(7,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(6,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(5,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(4,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(3,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(2,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(1,RAND()*1000,RAND()*1000,RAND());
commit;
set autocommit=1;
alter table t1 enable keys;
Warnings:
Note	1031	Table storage engine for 't1' doesn't have this option
show keys from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	n1	1	n1	A	2	NULL	NULL		BTREE		
t1	1	n1_2	1	n1	A	2	NULL	NULL		BTREE		
t1	1	n1_2	2	n2	A	2	NULL	NULL	YES	BTREE		
t1	1	n1_2	3	n3	A	2	NULL	NULL	YES	BTREE		
t1	1	n1_2	4	n4	A	2	NULL	NULL	YES	BTREE		
t1	1	n2	1	n2	A	2	NULL	NULL	YES	BTREE		
t1	1	n2	2	n3	A	2	NULL	NULL	YES	BTREE		
t1	1	n2	3	n4	A	2	NULL	NULL	YES	BTREE		
t1	1	n2	4	n1	A	2	NULL	NULL		BTREE		
t1	1	n3	1	n3	A	2	NULL	NULL	YES	BTREE		
t1	1	n3	2	n4	A	2	NULL	NULL	YES	BTREE		
t1	1	n3	3	n1	A	2	NULL	NULL		BTREE		
t1	1	n3	4	n2	A	2	NULL	NULL	YES	BTREE		
t1	1	n4	1	n4	A	2	NULL	NULL	YES	BTREE		
t1	1	n4	2	n1	A	2	NULL	NULL		BTREE		
t1	1	n4	3	n2	A	2	NULL	NULL	YES	BTREE		
t1	1	n4	4	n3	A	2	NULL	NULL	YES	BTREE		
drop table t1;
create table t1 (i int not null auto_increment primary key);
alter table t1 rename t2;
alter table t2 rename t1, add c char(10) comment "no comment";
show columns from t1;
Field	Type	Null	Key	Default	Extra
i	int	NO	PRI	NULL	auto_increment
c	varchar(10)	YES		NULL	
drop table t1;
create table t1 (a int, b int);
set autocommit=0;
begin;
insert into t1 values(1,100), (2,100), (3, 100);
insert into t1 values(1,99), (2,99), (3, 99);
insert into t1 values(1,98), (2,98), (3, 98);
insert into t1 values(1,97), (2,97), (3, 97);
insert into t1 values(1,96), (2,96), (3, 96);
insert into t1 values(1,95), (2,95), (3, 95);
insert into t1 values(1,94), (2,94), (3, 94);
insert into t1 values(1,93), (2,93), (3, 93);
insert into t1 values(1,92), (2,92), (3, 92);
insert into t1 values(1,91), (2,91), (3, 91);
insert into t1 values(1,90), (2,90), (3, 90);
insert into t1 values(1,89), (2,89), (3, 89);
insert into t1 values(1,88), (2,88), (3, 88);
insert into t1 values(1,87), (2,87), (3, 87);
insert into t1 values(1,86), (2,86), (3, 86);
insert into t1 values(1,85), (2,85), (3, 85);
insert into t1 values(1,84), (2,84), (3, 84);
insert into t1 values(1,83), (2,83), (3, 83);
insert into t1 values(1,82), (2,82), (3, 82);
insert into t1 values(1,81), (2,81), (3, 81);
insert into t1 values(1,80), (2,80), (3, 80);
insert into t1 values(1,79), (2,79), (3, 79);
insert into t1 values(1,78), (2,78), (3, 78);
insert into t1 values(1,77), (2,77), (3, 77);
insert into t1 values(1,76), (2,76), (3, 76);
insert into t1 values(1,75), (2,75), (3, 75);
insert into t1 values(1,74), (2,74), (3, 74);
insert into t1 values(1,73), (2,73), (3, 73);
insert into t1 values(1,72), (2,72), (3, 72);
insert into t1 values(1,71), (2,71), (3, 71);
insert into t1 values(1,70), (2,70), (3, 70);
insert into t1 values(1,69), (2,69), (3, 69);
insert into t1 values(1,68), (2,68), (3, 68);
insert into t1 values(1,67), (2,67), (3, 67);
insert into t1 values(1,66), (2,66), (3, 66);
insert into t1 values(1,65), (2,65), (3, 65);
insert into t1 values(1,64), (2,64), (3, 64);
insert into t1 values(1,63), (2,63), (3, 63);
insert into t1 values(1,62), (2,62), (3, 62);
insert into t1 values(1,61), (2,61), (3, 61);
insert into t1 values(1,60), (2,60), (3, 60);
insert into t1 values(1,59), (2,59), (3, 59);
insert into t1 values(1,58), (2,58), (3, 58);
insert into t1 values(1,57), (2,57), (3, 57);
insert into t1 values(1,56), (2,56), (3, 56);
insert into t1 values(1,55), (2,55), (3, 55);
insert into t1 values(1,54), (2,54), (3, 54);
insert into t1 values(1,53), (2,53), (3, 53);
insert into t1 values(1,52), (2,52), (3, 52);
insert into t1 values(1,51), (2,51), (3, 51);
insert into t1 values(1,50), (2,50), (3, 50);
insert into t1 values(1,49), (2,49), (3, 49);
insert into t1 values(1,48), (2,48), (3, 48);
insert into t1 values(1,47), (2,47), (3, 47);
insert into t1 values(1,46), (2,46), (3, 46);
insert into t1 values(1,45), (2,45), (3, 45);
insert into t1 values(1,44), (2,44), (3, 44);
insert into t1 values(1,43), (2,43), (3, 43);
insert into t1 values(1,42), (2,42), (3, 42);
insert into t1 values(1,41), (2,41), (3, 41);
insert into t1 values(1,40), (2,40), (3, 40);
insert into t1 values(1,39), (2,39), (3, 39);
insert into t1 values(1,38), (2,38), (3, 38);
insert into t1 values(1,37), (2,37), (3, 37);
insert into t1 values(1,36), (2,36), (3, 36);
insert into t1 values(1,35), (2,35), (3, 35);
insert into t1 values(1,34), (2,34), (3, 34);
insert into t1 values(1,33), (2,33), (3, 33);
insert into t1 values(1,32), (2,32), (3, 32);
insert into t1 values(1,31), (2,31), (3, 31);
insert into t1 values(1,30), (2,30), (3, 30);
insert into t1 values(1,29), (2,29), (3, 29);
insert into t1 values(1,28), (2,28), (3, 28);
insert into t1 values(1,27), (2,27), (3, 27);
insert into t1 values(1,26), (2,26), (3, 26);
insert into t1 values(1,25), (2,25), (3, 25);
insert into t1 values(1,24), (2,24), (3, 24);
insert into t1 values(1,23), (2,23), (3, 23);
insert into t1 values(1,22), (2,22), (3, 22);
insert into t1 values(1,21), (2,21), (3, 21);
insert into t1 values(1,20), (2,20), (3, 20);
insert into t1 values(1,19), (2,19), (3, 19);
insert into t1 values(1,18), (2,18), (3, 18);
insert into t1 values(1,17), (2,17), (3, 17);
insert into t1 values(1,16), (2,16), (3, 16);
insert into t1 values(1,15), (2,15), (3, 15);
insert into t1 values(1,14), (2,14), (3, 14);
insert into t1 values(1,13), (2,13), (3, 13);
insert into t1 values(1,12), (2,12), (3, 12);
insert into t1 values(1,11), (2,11), (3, 11);
insert into t1 values(1,10), (2,10), (3, 10);
insert into t1 values(1,9), (2,9), (3, 9);
insert into t1 values(1,8), (2,8), (3, 8);
insert into t1 values(1,7), (2,7), (3, 7);
insert into t1 values(1,6), (2,6), (3, 6);
insert into t1 values(1,5), (2,5), (3, 5);
insert into t1 values(1,4), (2,4), (3, 4);
insert into t1 values(1,3), (2,3), (3, 3);
insert into t1 values(1,2), (2,2), (3, 2);
insert into t1 values(1,1), (2,1), (3, 1);
commit;
set autocommit=1;
alter table t1 add unique (a,b), add key (b);
show keys from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	6	NULL	NULL	YES	BTREE		
t1	0	a	2	b	A	300	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	300	NULL	NULL	YES	BTREE		
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
show keys from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	6	NULL	NULL	YES	BTREE		
t1	0	a	2	b	A	300	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	300	NULL	NULL	YES	BTREE		
drop table t1;
CREATE TEMPORARY TABLE t1 (
Host varchar(16) NOT NULL default '',
User varchar(16) NOT NULL default '',
PRIMARY KEY  (Host,User),
KEY  (Host)
) ENGINE=MyISAM;
ALTER TABLE t1 DISABLE KEYS;
SHOW INDEX FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE		
t1	0	PRIMARY	2	User	A	0	NULL	NULL		BTREE		
t1	1	Host	1	Host	A	NULL	NULL	NULL		BTREE	disabled	
INSERT INTO t1 VALUES ('localhost','root'),('localhost','');
SHOW INDEX FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE		
t1	0	PRIMARY	2	User	A	2	NULL	NULL		BTREE		
t1	1	Host	1	Host	A	NULL	NULL	NULL		BTREE	disabled	
ALTER TABLE t1 ENABLE KEYS;
SHOW INDEX FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	PRIMARY	1	Host	A	NULL	NULL	NULL		BTREE		
t1	0	PRIMARY	2	User	A	2	NULL	NULL		BTREE		
t1	1	Host	1	Host	A	NULL	NULL	NULL		BTREE		
CHECK TABLES t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
ALTER TABLE t1 RENAME t2;
select * from t2;
Host	User
localhost	
localhost	root
DROP TABLE t2;
create table t1 (a int);
alter table t1 rename to ``;
ERROR 42000: Incorrect table name ''
rename table t1 to ``;
ERROR 42000: Incorrect table name ''
drop table t1;
drop table if exists t1;
Warnings:
Note	1051	Unknown table 't1'
create TEMPORARY table t1 ( a varchar(10) not null primary key ) engine=myisam;
flush tables;
alter table t1 modify a varchar(10);
flush tables;
alter table t1 modify a varchar(10) not null;
drop table if exists t1;
create TEMPORARY table t1 (a int, b int, c int, d int, e int, f int, g int, h int,i int, primary key (a,b,c,d,e,f,g,i,h)) engine=MyISAM;
insert into t1 (a,b,c,d,e,f,g,h,i) values(1,1,1,1,1,1,1,1,1);
show table status like 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
alter table t1 modify a int;
show table status like 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
drop table t1;
create TEMPORARY table t1 (a int not null default 0, b int not null default 0, c int not null default 0, d int not null default 0, e int not null default 0, f int not null default 0, g int not null default 0, h int not null default 0,i int not null default 0, primary key (a,b,c,d,e,f,g,i,h)) engine=MyISAM;
insert into t1 (a) values(1);
show table status like 't1';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
drop table t1;
CREATE TABLE t1 (a int PRIMARY KEY, b INT UNIQUE);
ALTER TABLE t1 DROP PRIMARY KEY;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int NOT NULL,
  `b` int DEFAULT NULL,
  UNIQUE KEY `b` (`b`)
) ENGINE=DEFAULT
ALTER TABLE t1 DROP PRIMARY KEY;
ERROR 42000: Can't DROP 'PRIMARY'; check that column/key exists
DROP TABLE t1;
create table t1 (a int, b int, key(a));
insert into t1 values (1,1), (2,2);
alter table t1 drop key no_such_key;
ERROR 42000: Can't DROP 'no_such_key'; check that column/key exists
alter table t1 drop key a;
drop table t1;
CREATE TEMPORARY TABLE T12207(a int) ENGINE=MYISAM;
ALTER TABLE T12207 DISCARD TABLESPACE;
ERROR HY000: Table storage engine for 'T12207' doesn't have this option
DROP TABLE T12207;
create table t1 ( a timestamp );
alter table t1 add unique ( a(1) );
ERROR HY000: Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys
drop table t1;
drop table if exists t1;
create table t1 (a int, key(a));
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
"this used not to disable the index"
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1 enable keys;
Warnings:
Note	1031	Table storage engine for 't1' doesn't have this option
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1 modify a bigint;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1 enable keys;
Warnings:
Note	1031	Table storage engine for 't1' doesn't have this option
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1 add b char(10);
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1 add c decimal(10,2);
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
"this however did"
alter table t1;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
desc t1;
Field	Type	Null	Key	Default	Extra
a	bigint	YES	MUL	NULL	
b	varchar(10)	YES		NULL	
c	decimal(10,2)	YES		NULL	
alter table t1 add d decimal(15,5);
"The key should still be disabled"
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
drop table t1;
"Now will test with one unique index"
create table t1(a int, b char(10), unique(a));
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1 enable keys;
Warnings:
Note	1031	Table storage engine for 't1' doesn't have this option
"If no copy on noop change, this won't touch the data file"
"Unique index, no change"
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
"Change the type implying data copy"
"Unique index, no change"
alter table t1 modify a bigint;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1 modify a bigint;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
drop table t1;
"Now will test with one unique and one non-unique index"
create table t1(a int, b char(10), unique(a), key(b));
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	0	NULL	NULL	YES	BTREE		
alter table t1;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	0	NULL	NULL	YES	BTREE		
alter table t1 enable keys;
Warnings:
Note	1031	Table storage engine for 't1' doesn't have this option
"If no copy on noop change, this won't touch the data file"
"The non-unique index will be disabled"
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	0	NULL	NULL	YES	BTREE		
alter table t1 enable keys;
Warnings:
Note	1031	Table storage engine for 't1' doesn't have this option
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	0	NULL	NULL	YES	BTREE		
"Change the type implying data copy"
"The non-unique index will be disabled"
alter table t1 modify a bigint;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	0	NULL	NULL	YES	BTREE		
"Change again the type, but leave the indexes as_is"
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	0	NULL	NULL	YES	BTREE		
"Try the same. When data is no copied on similar tables, this is noop"
alter table t1 modify a int;
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	0	a	1	a	A	0	NULL	NULL	YES	BTREE		
t1	1	b	1	b	A	0	NULL	NULL	YES	BTREE		
drop table t1;
create database mysqltest;
create table t1 (c1 int);
alter table t1 rename mysqltest.t1;
drop table t1;
ERROR 42S02: Unknown table 't1'
alter table mysqltest.t1 rename t1;
drop table t1;
create table t1 (c1 int);
use mysqltest;
drop database mysqltest;
alter table test.t1 rename t1;
ERROR 3D000: No database selected
alter table test.t1 rename test.t1;
use test;
drop table t1;
CREATE TABLE t1(a INT) ROW_FORMAT=COMPACT;
CREATE INDEX i1 ON t1(a);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int DEFAULT NULL,
  KEY `i1` (`a`)
) ENGINE=DEFAULT ROW_FORMAT=COMPACT
DROP INDEX i1 ON t1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int DEFAULT NULL
) ENGINE=DEFAULT ROW_FORMAT=COMPACT
DROP TABLE t1;
DROP TABLE IF EXISTS bug24219;
DROP TABLE IF EXISTS bug24219_2;
CREATE TABLE bug24219 (a INT, INDEX(a));
SHOW INDEX FROM bug24219;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
bug24219	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
ALTER TABLE bug24219 RENAME TO bug24219_2, DISABLE KEYS;
Warnings:
Note	1031	Table storage engine for 'bug24219' doesn't have this option
SHOW INDEX FROM bug24219_2;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
bug24219_2	1	a	1	a	A	0	NULL	NULL	YES	BTREE		
DROP TABLE bug24219_2;
drop table if exists table_24562;
create table table_24562(
section int,
subsection int,
title varchar(50));
insert into table_24562 values
(1, 0, "Introduction"),
(1, 1, "Authors"),
(1, 2, "Acknowledgements"),
(2, 0, "Basics"),
(2, 1, "Syntax"),
(2, 2, "Client"),
(2, 3, "Server"),
(3, 0, "Intermediate"),
(3, 1, "Complex queries"),
(3, 2, "Stored Procedures"),
(3, 3, "Stored Functions"),
(4, 0, "Advanced"),
(4, 1, "Replication"),
(4, 2, "Load balancing"),
(4, 3, "High availability"),
(5, 0, "Conclusion");
select * from table_24562;
section	subsection	title
1	0	Introduction
1	1	Authors
1	2	Acknowledgements
2	0	Basics
2	1	Syntax
2	2	Client
2	3	Server
3	0	Intermediate
3	1	Complex queries
3	2	Stored Procedures
3	3	Stored Functions
4	0	Advanced
4	1	Replication
4	2	Load balancing
4	3	High availability
5	0	Conclusion
alter table table_24562 add column reviewer varchar(20),
order by title;
select * from table_24562;
section	subsection	title	reviewer
1	2	Acknowledgements	NULL
4	0	Advanced	NULL
1	1	Authors	NULL
2	0	Basics	NULL
2	2	Client	NULL
3	1	Complex queries	NULL
5	0	Conclusion	NULL
4	3	High availability	NULL
3	0	Intermediate	NULL
1	0	Introduction	NULL
4	2	Load balancing	NULL
4	1	Replication	NULL
2	3	Server	NULL
3	3	Stored Functions	NULL
3	2	Stored Procedures	NULL
2	1	Syntax	NULL
update table_24562 set reviewer="Me" where section=2;
update table_24562 set reviewer="You" where section=3;
alter table table_24562
order by section ASC, subsection DESC;
select * from table_24562;
section	subsection	title	reviewer
1	2	Acknowledgements	NULL
1	1	Authors	NULL
1	0	Introduction	NULL
2	3	Server	Me
2	2	Client	Me
2	1	Syntax	Me
2	0	Basics	Me
3	3	Stored Functions	You
3	2	Stored Procedures	You
3	1	Complex queries	You
3	0	Intermediate	You
4	3	High availability	NULL
4	2	Load balancing	NULL
4	1	Replication	NULL
4	0	Advanced	NULL
5	0	Conclusion	NULL
alter table table_24562
order by table_24562.subsection ASC, table_24562.section DESC;
select * from table_24562;
section	subsection	title	reviewer
5	0	Conclusion	NULL
4	0	Advanced	NULL
3	0	Intermediate	You
2	0	Basics	Me
1	0	Introduction	NULL
4	1	Replication	NULL
3	1	Complex queries	You
2	1	Syntax	Me
1	1	Authors	NULL
4	2	Load balancing	NULL
3	2	Stored Procedures	You
2	2	Client	Me
1	2	Acknowledgements	NULL
4	3	High availability	NULL
3	3	Stored Functions	You
2	3	Server	Me
alter table table_24562 order by 12;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your Drizzle server version for the right syntax to use near '12' at line 1
alter table table_24562 order by (section + 12);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your Drizzle server version for the right syntax to use near '(section + 12)' at line 1
alter table table_24562 order by length(title);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your Drizzle server version for the right syntax to use near '(title)' at line 1
alter table table_24562 order by no_such_col;
ERROR 42S22: Unknown column 'no_such_col' in 'order clause'
drop table table_24562;
create table t1 (mycol int not null);
alter table t1 alter column mycol set default 0;
desc t1;
Field	Type	Null	Key	Default	Extra
mycol	int	NO		0	
drop table t1;
create TEMPORARY table t1(id int primary key auto_increment) engine=MEMORY;
insert into t1 values (null);
insert into t1 values (null);
select * from t1;
id
1
2
alter table t1 auto_increment = 50;
alter table t1 engine = myisam;
insert into t1 values (null);
select * from t1;
id
1
2
50
alter table t1 engine = MEMORY;
insert into t1 values (null);
select * from t1;
id
1
2
50
51
drop table t1;
create table t1 (v varchar(32));
insert into t1 values ('def'),('abc'),('hij'),('3r4f');
select * from t1;
v
def
abc
hij
3r4f
alter table t1 change v v2 varchar(32);
select * from t1;
v2
def
abc
hij
3r4f
alter table t1 change v2 v varchar(64);
select * from t1;
v
def
abc
hij
3r4f
update t1 set v = 'lmn' where v = 'hij';
select * from t1;
v
def
abc
lmn
3r4f
alter table t1 add i int auto_increment not null primary key first;
select * from t1;
i	v
1	def
2	abc
3	lmn
4	3r4f
update t1 set i=5 where i=3;
select * from t1;
i	v
1	def
2	abc
4	3r4f
5	lmn
alter table t1 change i i bigint;
select * from t1;
i	v
1	def
2	abc
4	3r4f
5	lmn
alter table t1 add unique key (i, v);
select * from t1 where i between 2 and 4 and v in ('def','3r4f','lmn');
i	v
4	3r4f
drop table t1;
create TEMPORARY table t1 (t varchar(255) default null, key t (t(80))) engine=myisam;
alter table t1 change t t text;
drop table t1;
CREATE TABLE t1 (s CHAR(8));
INSERT INTO t1 VALUES ('test');
SELECT LENGTH(s) FROM t1;
LENGTH(s)
4
ALTER TABLE t1 MODIFY s CHAR(10);
SELECT LENGTH(s) FROM t1;
LENGTH(s)
4
DROP TABLE t1;
CREATE TABLE t1 (s varbinary(8));
INSERT INTO t1 VALUES ('test');
SELECT LENGTH(s) FROM t1;
LENGTH(s)
4
SELECT HEX(s) FROM t1;
HEX(s)
74657374
ALTER TABLE t1 MODIFY s varbinary(10);
SELECT HEX(s) FROM t1;
HEX(s)
74657374
SELECT LENGTH(s) FROM t1;
LENGTH(s)
4
DROP TABLE t1;
CREATE TABLE t1 (v VARCHAR(3), b INT);
INSERT INTO t1 VALUES ('abc', 5);
SELECT * FROM t1;
v	b
abc	5
ALTER TABLE t1 MODIFY COLUMN v VARCHAR(4);
SELECT * FROM t1;
v	b
abc	5
DROP TABLE t1;
End of 5.0 tests
DROP TABLE IF EXISTS `t+1`, `t+2`;
CREATE TABLE `t+1` (c1 INT);
ALTER TABLE  `t+1` RENAME `t+2`;
CREATE TABLE `t+1` (c1 INT);
ALTER TABLE  `t+1` RENAME `t+2`;
ERROR 42S01: Table 't+2' already exists
DROP TABLE   `t+1`, `t+2`;
CREATE TEMPORARY TABLE `tt+1` (c1 INT);
ALTER TABLE  `tt+1` RENAME `tt+2`;
CREATE TEMPORARY TABLE `tt+1` (c1 INT);
ALTER TABLE  `tt+1` RENAME `tt+2`;
ERROR 42S01: Table 'tt+2' already exists
SHOW CREATE TABLE `tt+1`;
Table	Create Table
tt+1	CREATE TEMPORARY TABLE `tt+1` (
  `c1` int DEFAULT NULL
) ENGINE=DEFAULT
SHOW CREATE TABLE `tt+2`;
Table	Create Table
tt+2	CREATE TEMPORARY TABLE `tt+2` (
  `c1` int DEFAULT NULL
) ENGINE=DEFAULT
DROP TABLE   `tt+1`, `tt+2`;
CREATE TEMPORARY TABLE `#sql1` (c1 INT);
CREATE TEMPORARY TABLE `@0023sql2` (c1 INT);
SHOW TABLES;
Tables_in_test
ALTER TABLE `#sql1`      RENAME `@0023sql1`;
ALTER TABLE `@0023sql2`  RENAME `#sql2`;
SHOW TABLES;
Tables_in_test
INSERT INTO `#sql2`      VALUES (1);
INSERT INTO `@0023sql1`  VALUES (2);
SHOW CREATE TABLE `#sql2`;
Table	Create Table
#sql2	CREATE TEMPORARY TABLE `#sql2` (
  `c1` int DEFAULT NULL
) ENGINE=DEFAULT
SHOW CREATE TABLE `@0023sql1`;
Table	Create Table
@0023sql1	CREATE TEMPORARY TABLE `@0023sql1` (
  `c1` int DEFAULT NULL
) ENGINE=DEFAULT
DROP TABLE `#sql2`, `@0023sql1`;
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1 (
int_field INTEGER NOT NULL,
char_field CHAR(10),
INDEX(`int_field`)
);
DESCRIBE t1;
Field	Type	Null	Key	Default	Extra
int_field	int	NO	MUL	NULL	
char_field	varchar(10)	YES		NULL	
SHOW INDEXES FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	int_field	1	int_field	A	0	NULL	NULL		BTREE		
INSERT INTO t1 VALUES (1, "edno"), (1, "edno"), (2, "dve"), (3, "tri"), (5, "pet");
"Non-copy data change - new frm, but old data and index files"
ALTER TABLE t1 CHANGE int_field unsigned_int_field INTEGER NOT NULL, RENAME t2;
SELECT * FROM t1 ORDER BY int_field;
ERROR 42S02: Table 'test.t1' doesn't exist
SELECT * FROM t2 ORDER BY unsigned_int_field;
unsigned_int_field	char_field
1	edno
1	edno
2	dve
3	tri
5	pet
DESCRIBE t2;
Field	Type	Null	Key	Default	Extra
unsigned_int_field	int	NO	MUL	NULL	
char_field	varchar(10)	YES		NULL	
DESCRIBE t2;
Field	Type	Null	Key	Default	Extra
unsigned_int_field	int	NO	MUL	NULL	
char_field	varchar(10)	YES		NULL	
ALTER TABLE t2 MODIFY unsigned_int_field BIGINT NOT NULL;
DESCRIBE t2;
Field	Type	Null	Key	Default	Extra
unsigned_int_field	bigint	NO	MUL	NULL	
char_field	varchar(10)	YES		NULL	
DROP TABLE t2;
CREATE TABLE t1 (f1 INT, f2 INT, f3 INT);
INSERT INTO t1 VALUES (1, 2, NULL);
SELECT * FROM t1;
f1	f2	f3
1	2	NULL
ALTER TABLE t1 MODIFY COLUMN f3 INT AFTER f1;
SELECT * FROM t1;
f1	f3	f2
1	NULL	2
ALTER TABLE t1 MODIFY COLUMN f3 INT AFTER f2;
SELECT * FROM t1;
f1	f2	f3
1	2	NULL
DROP TABLE t1;