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mariadb/mysql-test/main/alter_table.result
Sergei Golubchik 7d657fda64 Merge branch '10.11 into 11.4
2025-01-30 12:01:11 +01:00

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set @save_max_allowed_packet=@@global.max_allowed_packet;
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 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;
bandID payoutID new_col
6 1 NULL
3 4 NULL
1 6 NULL
2 6 NULL
4 9 NULL
5 10 NULL
7 12 NULL
8 12 NULL
alter table t1 order by bandid,payoutid;
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(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));
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(10) unsigned NULL NO PRI 0 #
LANG_ID smallint(5) unsigned NULL NO PRI 0 #
NAME char(80) latin1_swedish_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 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)
) 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 (AnamneseId int(10) unsigned NOT NULL auto_increment,B BLOB,PRIMARY KEY (AnamneseId)) engine=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;
Table Op Msg_type Msg_text
test.t1 optimize status OK
DROP TABLE t1;
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;
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 disable keys;
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 Ignored
t1 0 n1 1 n1 A 0 NULL NULL BTREE NO
t1 1 n1_2 1 n1 A NULL NULL NULL BTREE disabled NO
t1 1 n1_2 2 n2 A NULL NULL NULL YES BTREE disabled NO
t1 1 n1_2 3 n3 A NULL NULL NULL YES BTREE disabled NO
t1 1 n1_2 4 n4 A NULL NULL NULL YES BTREE disabled NO
t1 1 n2 1 n2 A NULL NULL NULL YES BTREE disabled NO
t1 1 n2 2 n3 A NULL NULL NULL YES BTREE disabled NO
t1 1 n2 3 n4 A NULL NULL NULL YES BTREE disabled NO
t1 1 n2 4 n1 A NULL NULL NULL BTREE disabled NO
t1 1 n3 1 n3 A NULL NULL NULL YES BTREE disabled NO
t1 1 n3 2 n4 A NULL NULL NULL YES BTREE disabled NO
t1 1 n3 3 n1 A NULL NULL NULL BTREE disabled NO
t1 1 n3 4 n2 A NULL NULL NULL YES BTREE disabled NO
t1 1 n4 1 n4 A NULL NULL NULL YES BTREE disabled NO
t1 1 n4 2 n1 A NULL NULL NULL BTREE disabled NO
t1 1 n4 3 n2 A NULL NULL NULL YES BTREE disabled NO
t1 1 n4 4 n3 A NULL NULL NULL YES BTREE disabled NO
alter table t1 enable keys;
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 Ignored
t1 0 n1 1 n1 A 10 NULL NULL BTREE NO
t1 1 n1_2 1 n1 A 10 NULL NULL BTREE NO
t1 1 n1_2 2 n2 A 10 NULL NULL YES BTREE NO
t1 1 n1_2 3 n3 A 10 NULL NULL YES BTREE NO
t1 1 n1_2 4 n4 A 10 NULL NULL YES BTREE NO
t1 1 n2 1 n2 A 10 NULL NULL YES BTREE NO
t1 1 n2 2 n3 A 10 NULL NULL YES BTREE NO
t1 1 n2 3 n4 A 10 NULL NULL YES BTREE NO
t1 1 n2 4 n1 A 10 NULL NULL BTREE NO
t1 1 n3 1 n3 A 10 NULL NULL YES BTREE NO
t1 1 n3 2 n4 A 10 NULL NULL YES BTREE NO
t1 1 n3 3 n1 A 10 NULL NULL BTREE NO
t1 1 n3 4 n2 A 10 NULL NULL YES BTREE NO
t1 1 n4 1 n4 A 10 NULL NULL YES BTREE NO
t1 1 n4 2 n1 A 10 NULL NULL BTREE NO
t1 1 n4 3 n2 A 10 NULL NULL YES BTREE NO
t1 1 n4 4 n3 A 10 NULL NULL YES BTREE NO
drop table t1;
create table t1 (i int unsigned 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(10) unsigned NO PRI NULL auto_increment
c char(10) YES NULL
drop table t1;
create table t1 (a int, b int);
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 Ignored
t1 0 a 1 a A 3 NULL NULL YES BTREE NO
t1 0 a 2 b A 300 NULL NULL YES BTREE NO
t1 1 b 1 b A 100 NULL NULL YES BTREE NO
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status Table is already up to date
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 Ignored
t1 0 a 1 a A 3 NULL NULL YES BTREE NO
t1 0 a 2 b A 300 NULL NULL YES BTREE NO
t1 1 b 1 b A 100 NULL NULL YES BTREE NO
drop table t1;
CREATE TABLE t1 (i int(10), index(i) ) ENGINE=MyISAM;
ALTER TABLE t1 DISABLE KEYS;
INSERT DELAYED INTO t1 VALUES(1),(2),(3);
ALTER TABLE t1 ENABLE KEYS;
drop table t1;
CREATE TABLE t1 (
Host varchar(16) binary NOT NULL default '',
User varchar(16) binary NOT NULL default '',
PRIMARY KEY (Host,User)
) ENGINE=MyISAM;
ALTER TABLE t1 DISABLE KEYS;
LOCK TABLES t1 WRITE;
INSERT INTO t1 VALUES ('localhost','root'),('localhost',''),('games','monty');
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 Ignored
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE NO
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE NO
ALTER TABLE t1 ENABLE KEYS;
UNLOCK TABLES;
CHECK TABLES t1;
Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
CREATE TABLE t1 (
Host varchar(16) binary NOT NULL default '',
User varchar(16) binary 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 Ignored
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE NO
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE NO
t1 1 Host 1 Host A NULL NULL NULL BTREE disabled NO
LOCK TABLES t1 WRITE;
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 Ignored
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE NO
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE NO
t1 1 Host 1 Host A NULL NULL NULL BTREE disabled NO
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 Ignored
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE NO
t1 0 PRIMARY 2 User A 2 NULL NULL BTREE NO
t1 1 Host 1 Host A 1 NULL NULL BTREE NO
UNLOCK TABLES;
CHECK TABLES t1;
Table Op Msg_type Msg_text
test.t1 check status OK
LOCK TABLES t1 WRITE;
ALTER TABLE t1 RENAME t2;
UNLOCK TABLES;
select * from t2;
Host User
localhost
localhost root
DROP TABLE t2;
CREATE TABLE t1 (
Host varchar(16) binary NOT NULL default '',
User varchar(16) binary NOT NULL default '',
PRIMARY KEY (Host,User),
KEY (Host)
) ENGINE=MyISAM;
LOCK TABLES t1 WRITE;
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 Ignored
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE NO
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE NO
t1 1 Host 1 Host A NULL NULL NULL BTREE disabled NO
DROP TABLE t1;
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;
create 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 ignore into t1 (a) values(1);
Warnings:
Warning 1364 Field 'b' doesn't have a default value
Warning 1364 Field 'c' doesn't have a default value
Warning 1364 Field 'd' doesn't have a default value
Warning 1364 Field 'e' doesn't have a default value
Warning 1364 Field 'f' doesn't have a default value
Warning 1364 Field 'g' doesn't have a default value
Warning 1364 Field 'h' doesn't have a default value
Warning 1364 Field 'i' doesn't have a default value
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 Max_index_length Temporary
t1 MyISAM 10 Fixed 1 37 X X X X X X X X latin1_swedish_ci NULL X N
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 Max_index_length Temporary
t1 MyISAM 10 Fixed 1 37 X X X X X X X X latin1_swedish_ci NULL X N
drop table t1;
create table t1 (a int not null, b int not null, c int not null, d int not null, e int not null, f int not null, g int not null, h int not null,i int not null, primary key (a,b,c,d,e,f,g,i,h)) engine=MyISAM;
insert ignore into t1 (a) values(1);
Warnings:
Warning 1364 Field 'b' doesn't have a default value
Warning 1364 Field 'c' doesn't have a default value
Warning 1364 Field 'd' doesn't have a default value
Warning 1364 Field 'e' doesn't have a default value
Warning 1364 Field 'f' doesn't have a default value
Warning 1364 Field 'g' doesn't have a default value
Warning 1364 Field 'h' doesn't have a default value
Warning 1364 Field 'i' doesn't have a default value
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 Max_index_length Temporary
t1 MyISAM 10 Fixed 1 37 X X X X X X X X latin1_swedish_ci NULL X N
drop table t1;
set names koi8r;
create table t1 (a char(10) character set koi8r);
insert into t1 values ('<27><><EFBFBD><EFBFBD>');
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> D4C5D3D4
alter table t1 change a a char(10) character set cp1251;
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> F2E5F1F2
alter table t1 change a a binary(4);
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> F2E5F1F2
alter table t1 change a a char(10) character set cp1251;
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> D4C5D3D4
alter table t1 change a a varchar(10) character set cp1251;
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> D4C5D3D4
alter table t1 change a a text character set cp1251;
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a hex(a)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> D4C5D3D4
delete from t1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(10) CHARACTER SET koi8r COLLATE koi8r_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 DEFAULT CHARACTER SET latin1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(10) CHARACTER SET koi8r COLLATE koi8r_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 CONVERT TO CHARACTER SET latin1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 DEFAULT CHARACTER SET cp1251;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(10) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=cp1251 COLLATE=cp1251_general_ci
drop table t1;
create table t1 (myblob longblob,mytext longtext)
default charset latin1 collate latin1_general_cs;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`myblob` longblob DEFAULT NULL,
`mytext` longtext DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_general_cs
alter table t1 character set latin2;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`myblob` longblob DEFAULT NULL,
`mytext` longtext CHARACTER SET latin1 COLLATE latin1_general_cs DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin2 COLLATE=latin2_general_ci
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(11) NOT NULL,
`b` int(11) DEFAULT NULL,
UNIQUE KEY `b` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t1 DROP PRIMARY KEY;
ERROR 42000: Can't DROP INDEX `PRIMARY`; check that it 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 INDEX `no_such_key`; check that it exists
alter table t1 drop key a;
drop table t1;
CREATE TABLE T12207(a int) ENGINE=MYISAM;
ALTER TABLE T12207 DISCARD TABLESPACE;
ERROR HY000: Storage engine MyISAM of the table `test`.`T12207` doesn't have this option
DROP TABLE T12207;
create table t1 (a text) character set koi8r;
insert into t1 values (_koi8r'<27><><EFBFBD><EFBFBD>');
select hex(a) from t1;
hex(a)
D4C5D3D4
alter table t1 convert to character set cp1251;
select hex(a) from t1;
hex(a)
F2E5F1F2
drop table t1;
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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE NO
"this used not to disable the index"
alter table t1 modify a int, disable keys;
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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled NO
alter table t1 enable keys;
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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE NO
alter table t1 modify a bigint, disable keys;
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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled NO
alter table t1 enable keys;
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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE NO
alter table t1 add b char(10), disable keys;
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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled NO
alter table t1 add c decimal(10,2), enable keys;
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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE NO
"this however did"
alter table t1 disable keys;
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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled NO
desc t1;
Field Type Null Key Default Extra
a bigint(20) YES MUL NULL
b char(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 Ignored
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled NO
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
alter table t1 disable keys;
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
alter table t1 enable keys;
"If no copy on noop change, this won't touch the data file"
"Unique index, no change"
alter table t1 modify a int, disable keys;
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
"Change the type implying data copy"
"Unique index, no change"
alter table t1 modify a bigint, disable keys;
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
t1 1 b 1 b A NULL NULL NULL YES BTREE NO
alter table t1 disable keys;
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled NO
alter table t1 enable keys;
"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, disable keys;
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled NO
alter table t1 enable keys;
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
t1 1 b 1 b A NULL NULL NULL YES BTREE NO
"Change the type implying data copy"
"The non-unique index will be disabled"
alter table t1 modify a bigint, disable keys;
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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled NO
"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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled NO
"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 Ignored
t1 0 a 1 a A NULL NULL NULL YES BTREE NO
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled NO
drop table t1;
create database mysqltest;
create table t1 (c1 int);
alter table t1 rename mysqltest.t1;
drop table t1;
ERROR 42S02: Unknown table 'test.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=FIXED;
CREATE INDEX i1 ON t1(a);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
KEY `i1` (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=FIXED
DROP INDEX i1 ON t1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=FIXED
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 Ignored
bug24219 1 a 1 a A NULL NULL NULL YES BTREE NO
ALTER TABLE bug24219 RENAME TO bug24219_2, DISABLE KEYS;
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 Ignored
bug24219_2 1 a 1 a A NULL NULL NULL YES BTREE disabled NO
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 MariaDB 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 MariaDB 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 MariaDB server version for the right syntax to use near '(title)' at line 1
alter table table_24562 order by (select 12 from dual);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(select 12 from dual)' at line 1
alter table table_24562 order by no_such_col;
ERROR 42S22: Unknown column 'no_such_col' in 'ORDER BY'
drop table table_24562;
create table t1 (mycol int(10) not null);
alter table t1 alter column mycol set default 0;
desc t1;
Field Type Null Key Default Extra
mycol int(10) NO 0
drop table t1;
create table t1(id int(8) primary key auto_increment) engine=heap;
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 = heap;
insert into t1 values (null);
select * from t1;
id
1
2
50
51
drop table t1;
set @orig_sql_mode = @@sql_mode;
set sql_mode="no_zero_date";
create table t1(f1 int);
alter table t1 add column f2 datetime not null, add column f21 date not null;
insert into t1 values(1,'2000-01-01','2000-01-01');
alter table t1 add column f3 datetime not null;
ERROR 22007: Incorrect datetime value: '0000-00-00 00:00:00' for column `test`.`t1`.`f3` at row 1
alter table t1 add column f3 date not null;
ERROR 22007: Incorrect date value: '0000-00-00' for column `test`.`t1`.`f3` at row 1
alter table t1 add column f4 datetime not null default '2002-02-02',
add column f41 date not null;
ERROR 22007: Incorrect date value: '0000-00-00' for column `test`.`t1`.`f41` at row 1
alter table t1 add column f4 datetime not null default '2002-02-02',
add column f41 date not null default '2002-02-02';
select * from t1;
f1 f2 f21 f4 f41
1 2000-01-01 00:00:00 2000-01-01 2002-02-02 00:00:00 2002-02-02
drop table t1;
set sql_mode= @orig_sql_mode;
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
5 lmn
4 3r4f
alter table t1 change i i bigint;
select * from t1;
i v
1 def
2 abc
5 lmn
4 3r4f
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 table t1 (t varchar(255) default null, key t (t(80)))
engine=myisam default charset=latin1;
alter table t1 change t t text;
drop table t1;
CREATE TABLE t1 (a varchar(500));
ALTER TABLE t1 ADD b GEOMETRY NOT NULL, ADD SPATIAL INDEX(b);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(500) DEFAULT NULL,
`b` geometry NOT NULL,
SPATIAL KEY `b` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t1 ADD KEY(b(50));
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(500) DEFAULT NULL,
`b` geometry NOT NULL,
SPATIAL KEY `b` (`b`),
KEY `b_2` (`b`(50))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t1 ADD c POINT;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(500) DEFAULT NULL,
`b` geometry NOT NULL,
`c` point DEFAULT NULL,
SPATIAL KEY `b` (`b`),
KEY `b_2` (`b`(50))
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
CREATE TABLE t2 (a INT, KEY (a(20)));
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
ALTER TABLE t1 ADD d INT;
ALTER TABLE t1 ADD KEY (d(20));
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
ALTER TABLE t1 ADD e GEOMETRY NOT NULL, ADD SPATIAL KEY (e(30));
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;
CREATE TABLE t1 (s CHAR(8) BINARY);
INSERT INTO t1 VALUES ('test');
SELECT LENGTH(s) FROM t1;
LENGTH(s)
4
ALTER TABLE t1 MODIFY s CHAR(10) BINARY;
SELECT LENGTH(s) FROM t1;
LENGTH(s)
4
DROP TABLE t1;
CREATE TABLE t1 (s BINARY(8));
INSERT INTO t1 VALUES ('test');
SELECT LENGTH(s) FROM t1;
LENGTH(s)
8
SELECT HEX(s) FROM t1;
HEX(s)
7465737400000000
ALTER TABLE t1 MODIFY s BINARY(10);
SELECT HEX(s) FROM t1;
HEX(s)
74657374000000000000
SELECT LENGTH(s) FROM t1;
LENGTH(s)
10
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;
create table t1 (a tinytext character set latin1);
alter table t1 convert to character set utf8;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` text DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
drop table t1;
create table t1 (a mediumtext character set latin1);
alter table t1 convert to character set utf8;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` longtext DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
drop table t1;
End of 5.0 tests
drop table if exists t1, t2, t3;
create table t1 (i int);
create table t3 (j int);
insert into t1 values ();
insert into t3 values ();
lock table t1 write, t3 read;
alter table t1 modify i int default 1;
insert into t1 values ();
select * from t1;
i
NULL
1
alter table t1 change i c char(10) default "Two";
insert into t1 values ();
select * from t1;
c
NULL
1
Two
alter table t1 modify c char(10) default "Three", rename to t2;
select * from t1;
ERROR HY000: Table 't1' was not locked with LOCK TABLES
select * from t2;
ERROR HY000: Table 't2' was not locked with LOCK TABLES
select * from t3;
j
NULL
unlock tables;
insert into t2 values ();
select * from t2;
c
NULL
1
Two
Three
lock table t2 write, t3 read;
alter table t2 change c vc varchar(100) default "Four", rename to t1;
select * from t1;
ERROR HY000: Table 't1' was not locked with LOCK TABLES
select * from t2;
ERROR HY000: Table 't2' was not locked with LOCK TABLES
select * from t3;
j
NULL
unlock tables;
insert into t1 values ();
select * from t1;
vc
NULL
1
Two
Three
Four
drop tables t1, t3;
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(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SHOW CREATE TABLE `tt+2`;
Table Create Table
tt+2 CREATE TEMPORARY TABLE `tt+2` (
`c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE `tt+1`, `tt+2`;
CREATE TABLE `#sql1` (c1 INT);
CREATE TABLE `@0023sql2` (c1 INT);
SHOW TABLES;
Tables_in_test
#sql1
@0023sql2
RENAME TABLE `#sql1` TO `@0023sql1`;
RENAME TABLE `@0023sql2` TO `#sql2`;
SHOW TABLES;
Tables_in_test
#sql2
@0023sql1
ALTER TABLE `@0023sql1` RENAME `#sql-1`;
ALTER TABLE `#sql2` RENAME `@0023sql-2`;
SHOW TABLES;
Tables_in_test
#sql-1
@0023sql-2
INSERT INTO `#sql-1` VALUES (1);
INSERT INTO `@0023sql-2` VALUES (2);
DROP TABLE `#sql-1`, `@0023sql-2`;
CREATE TEMPORARY TABLE `#sql1` (c1 INT);
CREATE TEMPORARY TABLE `@0023sql2` (c1 INT);
SHOW TABLES;
Tables_in_test
@0023sql2
#sql1
ALTER TABLE `#sql1` RENAME `@0023sql1`;
ALTER TABLE `@0023sql2` RENAME `#sql2`;
SHOW TABLES;
Tables_in_test
#sql2
@0023sql1
INSERT INTO `#sql2` VALUES (1);
INSERT INTO `@0023sql1` VALUES (2);
SHOW CREATE TABLE `#sql2`;
Table Create Table
#sql2 CREATE TEMPORARY TABLE `#sql2` (
`c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SHOW CREATE TABLE `@0023sql1`;
Table Create Table
@0023sql1 CREATE TEMPORARY TABLE `@0023sql1` (
`c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE `#sql2`, `@0023sql1`;
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1 (
int_field INTEGER UNSIGNED NOT NULL,
char_field CHAR(10),
INDEX(`int_field`)
);
DESCRIBE t1;
Field Type Null Key Default Extra
int_field int(10) unsigned NO MUL NULL
char_field char(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 Ignored
t1 1 int_field 1 int_field A NULL NULL NULL BTREE NO
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 UNSIGNED 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(10) unsigned NO MUL NULL
char_field char(10) YES NULL
DESCRIBE t2;
Field Type Null Key Default Extra
unsigned_int_field int(10) unsigned NO MUL NULL
char_field char(10) YES NULL
ALTER TABLE t2 MODIFY unsigned_int_field BIGINT UNSIGNED NOT NULL;
DESCRIBE t2;
Field Type Null Key Default Extra
unsigned_int_field bigint(20) unsigned NO MUL NULL
char_field char(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;
create table t1 (c char(10) default "Two");
lock table t1 write;
insert into t1 values ();
alter table t1 modify c char(10) default "Three";
unlock tables;
select * from t1;
c
Two
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (id int, c int) character set latin1;
INSERT INTO t1 VALUES (1,1);
ALTER TABLE t1 CHANGE c d int;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 CHANGE d c int;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 MODIFY c VARCHAR(10);
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 CHANGE c d varchar(10);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 CHANGE d c varchar(10);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (id int, c int) character set utf8;
INSERT INTO t1 VALUES (1,1);
ALTER TABLE t1 CHANGE c d int;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 CHANGE d c int;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 MODIFY c VARCHAR(10);
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 CHANGE c d varchar(10);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 CHANGE d c varchar(10);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
create table t1(f1 int not null, f2 int not null, key (f1), key (f2));
select index_length into @unpaked_keys_size from
information_schema.tables where table_name='t1';
alter table t1 pack_keys=1;
select index_length into @paked_keys_size from
information_schema.tables where table_name='t1';
select (@unpaked_keys_size > @paked_keys_size);
(@unpaked_keys_size > @paked_keys_size)
1
select max_data_length into @orig_max_data_length from
information_schema.tables where table_name='t1';
alter table t1 max_rows=100;
select max_data_length into @changed_max_data_length from
information_schema.tables where table_name='t1';
select (@orig_max_data_length > @changed_max_data_length);
(@orig_max_data_length > @changed_max_data_length)
1
drop table t1;
CREATE TABLE t1(a INT AUTO_INCREMENT PRIMARY KEY,
b ENUM('a', 'b', 'c') NOT NULL);
INSERT INTO t1 (b) VALUES ('a'), ('c'), ('b'), ('b'), ('a');
ALTER TABLE t1 MODIFY b ENUM('a', 'z', 'b', 'c') NOT NULL;
SELECT * FROM t1;
a b
1 a
2 c
3 b
4 b
5 a
DROP TABLE t1;
SET @save_sql_mode=@@sql_mode;
SET sql_mode=strict_all_tables;
CREATE TABLE t1 (a int NOT NULL default 42);
INSERT INTO t1 values ();
SELECT * FROM t1;
a
42
ALTER TABLE t1 ALTER COLUMN a DROP DEFAULT;
INSERT INTO t1 values ();
ERROR HY000: Field 'a' doesn't have a default value
INSERT INTO t1 (a) VALUES (11);
SELECT * FROM t1 ORDER BY a;
a
11
42
DROP TABLE t1;
SET @@sql_mode=@save_sql_mode;
#
# Bug#45567: Fast ALTER TABLE broken for enum and set
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a ENUM('a1','a2'));
INSERT INTO t1 VALUES ('a1'),('a2');
# No copy: No modification
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2');
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# No copy: Add new enumeration to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a3');
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Copy: Modify and add new to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','xx','a5');
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
# Copy: Remove from the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','xx');
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
# Copy: Add new enumeration
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a0','xx');
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
# No copy: Add new enumerations to the end
ALTER TABLE t1 MODIFY COLUMN a ENUM('a1','a2','a0','xx','a5','a6');
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
CREATE TABLE t1 (a SET('a1','a2'));
INSERT INTO t1 VALUES ('a1'),('a2');
# No copy: No modification
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2');
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# No copy: Add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a3');
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Copy: Modify and add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','xx','a5');
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
# Copy: Remove from the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','xx');
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
# Copy: Add new member
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx');
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
# No copy: Add new to the end
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx','a5','a6');
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
# Copy: Numerical incrase (pack lenght)
ALTER TABLE t1 MODIFY COLUMN a SET('a1','a2','a0','xx','a5','a6','a7','a8','a9','a10');
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
DROP TABLE t1;
CREATE TABLE t1 (f1 TIMESTAMP NULL DEFAULT NULL,
f2 INT(11) DEFAULT NULL) ENGINE=MYISAM DEFAULT CHARSET=utf8;
INSERT INTO t1 VALUES (NULL, NULL), ("2009-10-09 11:46:19", 2);
this should affect no rows as there is no real change
ALTER TABLE t1 CHANGE COLUMN f1 f1_no_real_change TIMESTAMP NULL DEFAULT NULL;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
#
# Bug #31145: ALTER TABLE DROP COLUMN, ADD COLUMN crashes (linux)
# or freezes (win) the server
#
CREATE TABLE t1 (a TEXT, id INT, b INT);
ALTER TABLE t1 DROP COLUMN a, ADD COLUMN c TEXT FIRST;
DROP TABLE t1;
#
# Test for bug #12652385 - "61493: REORDERING COLUMNS TO POSITION
# FIRST CAN CAUSE DATA TO BE CORRUPTED".
#
drop table if exists t1;
# Use MyISAM engine as the fact that InnoDB doesn't support
# in-place ALTER TABLE in cases when columns are being renamed
# hides some bugs.
create table t1 (i int, j int) engine=myisam;
insert into t1 value (1, 2);
# First, test for original problem described in the bug report.
select * from t1;
i j
1 2
# Change of column order by the below ALTER TABLE statement should
# affect both column names and column contents.
alter table t1 modify column j int first;
select * from t1;
j i
2 1
# Now test for similar problem with the same root.
# The below ALTER TABLE should change not only the name but
# also the value for the last column of the table.
alter table t1 drop column i, add column k int default 0;
select * from t1;
j k
2 0
# Clean-up.
drop table t1;
End of 5.1 tests
CREATE TABLE t1(c CHAR(10),
i INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY);
INSERT INTO t1 VALUES('a',2),('b',4),('c',6);
ALTER TABLE t1
DROP i,
ADD i INT UNSIGNED NOT NULL AUTO_INCREMENT,
AUTO_INCREMENT = 1;
DROP TABLE t1;
CREATE TABLE t1 (a CHAR(1), PRIMARY KEY (a(255)));
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
CREATE TABLE t1 (a CHAR(1));
ALTER TABLE t1 ADD PRIMARY KEY (a(20));
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
ALTER TABLE t1 ADD KEY (a(20));
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
CREATE UNIQUE INDEX i1 ON t1 (a(20));
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
CREATE INDEX i2 ON t1 (a(20));
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;
CREATE TABLE t1 (id int);
INSERT INTO t1 VALUES (1), (2);
ALTER TABLE t1 ADD COLUMN (f1 INT), ADD COLUMN (f2 INT), ADD KEY f2k(f2);
DROP TABLE t1;
#
# Test for bug #53820 "ALTER a MEDIUMINT column table causes full
# table copy".
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a INT, b MEDIUMINT);
INSERT INTO t1 VALUES (1, 1), (2, 2);
# The below ALTER should not copy table and so no rows should
# be shown as affected.
ALTER TABLE t1 CHANGE a id INT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
DROP TABLE t1;
#
# Bug#11754461 CANNOT ALTER TABLE WHEN KEY PREFIX TOO LONG
#
DROP DATABASE IF EXISTS db1;
CREATE DATABASE db1 CHARACTER SET utf8;
CREATE TABLE db1.t1 (bar TINYTEXT, KEY (bar(100)));
ALTER TABLE db1.t1 ADD baz INT;
DROP DATABASE db1;
# Additional coverage for refactoring which is made as part
# of fix for bug #27480 "Extend CREATE TEMPORARY TABLES privilege
# to allow temp table operations".
#
# At some point the below test case failed on assertion.
DROP TABLE IF EXISTS t1;
CREATE TEMPORARY TABLE t1 (i int) ENGINE=MyISAM;
ALTER TABLE t1 DISCARD TABLESPACE;
ERROR HY000: Storage engine MyISAM of the table `test`.`t1` doesn't have this option
DROP TABLE t1;
#
# Bug#11938039 RE-EXECUTION OF FRM-ONLY ALTER TABLE WITH RENAME
# CLAUSE FAILS OR ABORTS SERVER.
#
drop table if exists t1;
create table t1 (a int);
prepare stmt1 from 'alter table t1 alter column a set default 1, rename to t2';
execute stmt1;
rename table t2 to t1;
# The below statement should succeed and not emit error or abort server.
execute stmt1;
deallocate prepare stmt1;
drop table t2;
#
# MDEV-8960 Can't refer the same column twice in one ALTER TABLE
#
CREATE TABLE t1 (
`a` int(11) DEFAULT NULL
) DEFAULT CHARSET=utf8;
ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL,
ALTER COLUMN `consultant_id` DROP DEFAULT;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`consultant_id` int(11) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
DROP TABLE t1;
CREATE TABLE t1 (
`a` int(11) DEFAULT NULL
) DEFAULT CHARSET=utf8;
ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL,
ALTER COLUMN `consultant_id` SET DEFAULT 2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`consultant_id` int(11) NOT NULL DEFAULT 2
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
DROP TABLE t1;
CREATE TABLE t1 (
`a` int(11) DEFAULT NULL
) DEFAULT CHARSET=utf8;
ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL DEFAULT 2,
ALTER COLUMN `consultant_id` DROP DEFAULT;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`consultant_id` int(11) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
DROP TABLE t1;
CREATE TABLE t1 (
`a` int(11) DEFAULT NULL
) DEFAULT CHARSET=utf8;
ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL DEFAULT 2,
ALTER COLUMN `consultant_id` DROP DEFAULT,
MODIFY COLUMN `consultant_id` BIGINT;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`consultant_id` bigint(20) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
DROP TABLE t1;
#
# BUG#27788685: NO WARNING WHEN TRUNCATING A STRING WITH DATA LOSS
#
SET GLOBAL max_allowed_packet=17825792;
connect con1, localhost, root,,;
CREATE TABLE t1 (t1_fld1 TEXT);
CREATE TABLE t2 (t2_fld1 MEDIUMTEXT);
CREATE TABLE t3 (t3_fld1 LONGTEXT);
INSERT INTO t1 VALUES (REPEAT('a',300));
INSERT INTO t2 VALUES (REPEAT('b',65680));
INSERT INTO t3 VALUES (REPEAT('c',16777300));
SELECT LENGTH(t1_fld1) FROM t1;
LENGTH(t1_fld1)
300
SELECT LENGTH(t2_fld1) FROM t2;
LENGTH(t2_fld1)
65680
SELECT LENGTH(t3_fld1) FROM t3;
LENGTH(t3_fld1)
16777300
# With strict mode
SET SQL_MODE='STRICT_ALL_TABLES';
ALTER TABLE t1 CHANGE `t1_fld1` `my_t1_fld1` TINYTEXT;
ERROR 22001: Data too long for column 'my_t1_fld1' at row 1
ALTER TABLE t2 CHANGE `t2_fld1` `my_t2_fld1` TEXT;
ERROR 22001: Data too long for column 'my_t2_fld1' at row 1
ALTER TABLE t3 CHANGE `t3_fld1` `my_t3_fld1` MEDIUMTEXT;
ERROR 22001: Data too long for column 'my_t3_fld1' at row 1
# With non-strict mode
SET SQL_MODE='';
ALTER TABLE t1 CHANGE `t1_fld1` `my_t1_fld1` TINYTEXT;
Warnings:
Warning 1265 Data truncated for column 'my_t1_fld1' at row 1
ALTER TABLE t2 CHANGE `t2_fld1` `my_t2_fld1` TEXT;
Warnings:
Warning 1265 Data truncated for column 'my_t2_fld1' at row 1
ALTER TABLE t3 CHANGE `t3_fld1` `my_t3_fld1` MEDIUMTEXT;
Warnings:
Warning 1265 Data truncated for column 'my_t3_fld1' at row 1
SELECT LENGTH(my_t1_fld1) FROM t1;
LENGTH(my_t1_fld1)
255
SELECT LENGTH(my_t2_fld1) FROM t2;
LENGTH(my_t2_fld1)
65535
SELECT LENGTH(my_t3_fld1) FROM t3;
LENGTH(my_t3_fld1)
16777215
disconnect con1;
connection default;
DROP TABLE t1, t2, t3;
SET SQL_MODE=default;
SET GLOBAL max_allowed_packet=@save_max_allowed_packet;
CREATE TABLE t1 (
id INT(11) NOT NULL,
x_param INT(11) DEFAULT NULL,
PRIMARY KEY (id)
) ENGINE=MYISAM;
ALTER TABLE t1 ADD COLUMN IF NOT EXISTS id INT,
ADD COLUMN IF NOT EXISTS lol INT AFTER id;
Warnings:
Note 1060 Duplicate column name 'id'
ALTER TABLE t1 ADD COLUMN IF NOT EXISTS lol INT AFTER id;
Warnings:
Note 1060 Duplicate column name 'lol'
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
Warnings:
Note 1091 Can't DROP COLUMN `lol`; check that it exists
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
Warnings:
Note 1061 Duplicate key name 'x_param'
ALTER TABLE t1 MODIFY IF EXISTS lol INT;
Warnings:
Note 1054 Unknown column 'lol' in 't1'
DROP INDEX IF EXISTS x_param ON t1;
DROP INDEX IF EXISTS x_param ON t1;
Warnings:
Note 1091 Can't DROP INDEX `x_param`; check that it exists
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
Warnings:
Note 1061 Duplicate key name 'x_param1'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL,
`x_param` int(11) DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `x_param1` (`x_param`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (
id INT(11) NOT NULL,
x_param INT(11) DEFAULT NULL,
PRIMARY KEY (id)
) ENGINE=INNODB;
CREATE TABLE t2 (
id INT(11) NOT NULL) ENGINE=INNODB;
ALTER TABLE t1 ADD COLUMN IF NOT EXISTS id INT,
ADD COLUMN IF NOT EXISTS lol INT AFTER id;
Warnings:
Note 1060 Duplicate column name 'id'
ALTER TABLE t1 ADD COLUMN IF NOT EXISTS lol INT AFTER id;
Warnings:
Note 1060 Duplicate column name 'lol'
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
ALTER TABLE t1 DROP COLUMN IF EXISTS lol;
Warnings:
Note 1091 Can't DROP COLUMN `lol`; check that it exists
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
ALTER TABLE t1 ADD KEY IF NOT EXISTS x_param(x_param);
Warnings:
Note 1061 Duplicate key name 'x_param'
ALTER TABLE t1 MODIFY IF EXISTS lol INT;
Warnings:
Note 1054 Unknown column 'lol' in 't1'
DROP INDEX IF EXISTS x_param ON t1;
DROP INDEX IF EXISTS x_param ON t1;
Warnings:
Note 1091 Can't DROP INDEX `x_param`; check that it exists
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
CREATE INDEX IF NOT EXISTS x_param1 ON t1(x_param);
Warnings:
Note 1061 Duplicate key name 'x_param1'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL,
`x_param` int(11) DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `x_param1` (`x_param`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t2 ADD FOREIGN KEY IF NOT EXISTS fk(id) REFERENCES t1(id);
ALTER TABLE t2 ADD FOREIGN KEY IF NOT EXISTS fk(id) REFERENCES t1(id);
Warnings:
Note 1061 Duplicate key name 'fk'
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS fk;
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS fk;
Warnings:
Note 1091 Can't DROP FOREIGN KEY `fk`; check that it exists
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
KEY `fk` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t2 ADD FOREIGN KEY (id) REFERENCES t1(id);
ALTER TABLE t2 ADD FOREIGN KEY IF NOT EXISTS t2_ibfk_1(id) REFERENCES t1(id);
Warnings:
Note 1061 Duplicate key name 't2_ibfk_1'
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS t2_ibfk_1;
ALTER TABLE t2 DROP FOREIGN KEY IF EXISTS t2_ibfk_1;
Warnings:
Note 1091 Can't DROP FOREIGN KEY `t2_ibfk_1`; check that it exists
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
KEY `id` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
CREATE TABLE t2 (
id INT(11) NOT NULL);
ALTER TABLE t2 ADD COLUMN a INT, ADD COLUMN IF NOT EXISTS a INT;
Warnings:
Note 1060 Duplicate column name 'a'
ALTER TABLE t2 ADD KEY k_id(id), ADD KEY IF NOT EXISTS k_id(id);
Warnings:
Note 1061 Duplicate key name 'k_id'
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
`a` int(11) DEFAULT NULL,
KEY `k_id` (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t2 DROP KEY k_id, DROP KEY IF EXISTS k_id;
Warnings:
Note 1091 Can't DROP INDEX `k_id`; check that it exists
ALTER TABLE t2 DROP COLUMN a, DROP COLUMN IF EXISTS a;
Warnings:
Note 1091 Can't DROP COLUMN `a`; check that it exists
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 (
`transaction_id` int(11) NOT NULL DEFAULT '0',
KEY `transaction_id` (`transaction_id`));
ALTER TABLE t1 DROP KEY IF EXISTS transaction_id, ADD PRIMARY KEY IF NOT EXISTS (transaction_id);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`transaction_id` int(11) NOT NULL DEFAULT 0,
PRIMARY KEY (`transaction_id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
# Bug#11748057 (formerly known as 34972): ALTER TABLE statement doesn't
# identify correct column name.
#
CREATE TABLE t1 (c1 int unsigned , c2 char(100) not null default '');
ALTER TABLE t1 ADD c3 char(16) NOT NULL DEFAULT '' AFTER c2,
MODIFY c2 char(100) NOT NULL DEFAULT '' AFTER c1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(10) unsigned DEFAULT NULL,
`c2` char(100) NOT NULL DEFAULT '',
`c3` char(16) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# WL#5534 Online ALTER, Phase 1
#
# Single thread tests.
# See innodb_mysql_sync.test for multi thread tests.
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INT PRIMARY KEY, b INT) engine=InnoDB;
CREATE TABLE m1(a INT PRIMARY KEY, b INT) engine=MyISAM;
INSERT INTO t1 VALUES (1,1), (2,2);
INSERT INTO m1 VALUES (1,1), (2,2);
#
# 1: Test ALGORITHM keyword
#
# --enable_info allows us to see how many rows were updated
# by ALTER TABLE. in-place will show 0 rows, while copy > 0.
ALTER TABLE t1 ADD INDEX i1(b);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i2`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= COPY;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i3`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i4`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i5(b), ALGORITHM= INVALID;
ERROR HY000: Unknown ALGORITHM 'INVALID'
ALTER TABLE m1 ENABLE KEYS;
affected rows: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= DEFAULT;
affected rows: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE;
affected rows: 0
ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;
#
# 2: Test ALGORITHM + alter_algorithm
#
SET SESSION alter_algorithm= 1;
affected rows: 0
ALTER TABLE t1 ADD INDEX i1(b);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i2`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= COPY;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i3`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= INPLACE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i4`. This is deprecated and will be disallowed in a future release
SET SESSION alter_algorithm= 0;
affected rows: 0
ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;
#
# 3: Test unsupported in-place operation
#
ALTER TABLE t1 ADD COLUMN (c1 INT);
ALTER TABLE t1 ADD COLUMN (c2 INT), ALGORITHM= DEFAULT;
ALTER TABLE t1 ADD COLUMN (c3 INT), ALGORITHM= COPY;
ALTER TABLE t1 ADD COLUMN (c4 INT), ALGORITHM= INPLACE;
ALTER TABLE t1 DROP COLUMN c1, DROP COLUMN c2, DROP COLUMN c3, DROP COLUMN c4;
#
# 4: Test LOCK keyword
#
ALTER TABLE t1 ADD INDEX i1(b), LOCK= DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 ADD INDEX i2(b), LOCK= NONE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i2`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i3(b), LOCK= SHARED;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i3`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i4(b), LOCK= EXCLUSIVE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i4`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i5(b), LOCK= INVALID;
ERROR HY000: Unknown LOCK type 'INVALID'
ALTER TABLE m1 ENABLE KEYS, LOCK= DEFAULT;
ALTER TABLE m1 ENABLE KEYS, LOCK= NONE;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE
ALTER TABLE m1 ENABLE KEYS, LOCK= SHARED;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE
ALTER TABLE m1 ENABLE KEYS, LOCK= EXCLUSIVE;
ALTER TABLE t1 DROP INDEX i1, DROP INDEX i2, DROP INDEX i3, DROP INDEX i4;
#
# 5: Test ALGORITHM + LOCK
#
ALTER TABLE t1 ADD INDEX i1(b), ALGORITHM= INPLACE, LOCK= NONE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE t1 ADD INDEX i2(b), ALGORITHM= INPLACE, LOCK= SHARED;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i2`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i3(b), ALGORITHM= INPLACE, LOCK= EXCLUSIVE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i3`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= COPY, LOCK= NONE;
ALTER TABLE t1 ADD INDEX i5(b), ALGORITHM= COPY, LOCK= SHARED;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i5`. This is deprecated and will be disallowed in a future release
ALTER TABLE t1 ADD INDEX i6(b), ALGORITHM= COPY, LOCK= EXCLUSIVE;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 1
Warnings:
Note 1831 Duplicate index `i6`. This is deprecated and will be disallowed in a future release
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= NONE;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= SHARED;
ERROR 0A000: LOCK=NONE/SHARED is not supported for this operation. Try LOCK=EXCLUSIVE
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= INPLACE, LOCK= EXCLUSIVE;
affected rows: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= NONE;
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= SHARED;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE m1 ENABLE KEYS, ALGORITHM= COPY, LOCK= EXCLUSIVE;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
DROP TABLE t1, m1;
#
# 6: Possible deadlock involving thr_lock.c
#
CREATE TABLE t1(a INT PRIMARY KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2);
START TRANSACTION;
INSERT INTO t1 VALUES (3,3);
connect con1, localhost, root;
# Sending:
ALTER TABLE t1 DISABLE KEYS;
connection default;
# Waiting until ALTER TABLE is blocked.
UPDATE t1 SET b = 4;
COMMIT;
connection con1;
# Reaping: ALTER TABLE t1 DISABLE KEYS
disconnect con1;
connection default;
DROP TABLE t1;
#
# 7: Which operations require copy and which can be done in-place?
#
# Test which ALTER TABLE operations are done in-place and
# which operations are done using temporary table copy.
#
# --enable_info allows us to see how many rows were updated
# by ALTER TABLE. in-place will show 0 rows, while copy > 0.
#
DROP TABLE IF EXISTS ti1, ti2, ti3, tm1, tm2, tm3;
# Single operation tests
CREATE TABLE ti1(a INT NOT NULL, b INT, c INT) engine=InnoDB;
CREATE TABLE tm1(a INT NOT NULL, b INT, c INT) engine=MyISAM;
CREATE TABLE ti2(a INT PRIMARY KEY AUTO_INCREMENT, b INT, c INT) engine=InnoDB;
CREATE TABLE tm2(a INT PRIMARY KEY AUTO_INCREMENT, b INT, c INT) engine=MyISAM;
INSERT INTO ti1 VALUES (1,1,1), (2,2,2);
INSERT INTO ti2 VALUES (1,1,1), (2,2,2);
INSERT INTO tm1 VALUES (1,1,1), (2,2,2);
INSERT INTO tm2 VALUES (1,1,1), (2,2,2);
ALTER TABLE ti1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD COLUMN d VARCHAR(200);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD COLUMN d VARCHAR(200);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD COLUMN d2 VARCHAR(200);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD COLUMN d2 VARCHAR(200);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD COLUMN e ENUM('a', 'b') FIRST;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD COLUMN e ENUM('a', 'b') FIRST;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD COLUMN f INT AFTER a;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD COLUMN f INT AFTER a;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD INDEX ii1(b);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD INDEX im1(b);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD UNIQUE INDEX ii2 (c);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD UNIQUE INDEX im2 (c);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD FULLTEXT INDEX ii3 (d);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD FULLTEXT INDEX im3 (d);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD FULLTEXT INDEX ii4 (d2);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD FULLTEXT INDEX im4 (d2);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD PRIMARY KEY(a), ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: InnoDB presently supports one FULLTEXT index creation at a time. Try ALGORITHM=COPY
ALTER TABLE ti1 ADD PRIMARY KEY(a);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD PRIMARY KEY(a);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 DROP INDEX ii3;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 DROP INDEX im3;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 DROP COLUMN d2;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 DROP COLUMN d2;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ADD CONSTRAINT fi1 FOREIGN KEY (b) REFERENCES ti2(a);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ADD CONSTRAINT fm1 FOREIGN KEY (b) REFERENCES tm2(a);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ALTER COLUMN b SET DEFAULT 1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ALTER COLUMN b SET DEFAULT 1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 ALTER COLUMN b DROP DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ALTER COLUMN b DROP DEFAULT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 CHANGE COLUMN f g INT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 CHANGE COLUMN f g INT;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 CHANGE COLUMN g h VARCHAR(20);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 CHANGE COLUMN g h VARCHAR(20);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN e ENUM('a', 'b', 'c');
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN e ENUM('a', 'b', 'c');
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN e INT;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN e INT;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN e INT AFTER h;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN e INT AFTER h;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN e INT FIRST;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN e INT FIRST;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
SET @orig_sql_mode = @@sql_mode;
SET @@sql_mode = 'STRICT_TRANS_TABLES';
ALTER TABLE ti1 MODIFY COLUMN c INT NOT NULL;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
SET @@sql_mode = @orig_sql_mode;
ALTER TABLE tm1 MODIFY COLUMN c INT NOT NULL;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN c INT NULL;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN c INT NULL;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN h VARCHAR(30);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN h VARCHAR(30);
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MODIFY COLUMN h VARCHAR(30) AFTER d;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MODIFY COLUMN h VARCHAR(30) AFTER d;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 DROP COLUMN h;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 DROP COLUMN h;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 DROP INDEX ii2;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 DROP INDEX im2;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 DROP PRIMARY KEY;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 DROP PRIMARY KEY;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 DROP FOREIGN KEY fi1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 DROP FOREIGN KEY fm1;
ERROR 42000: Can't DROP FOREIGN KEY `fm1`; check that it exists
ALTER TABLE ti1 RENAME TO ti3;
affected rows: 0
ALTER TABLE tm1 RENAME TO tm3;
affected rows: 0
ALTER TABLE ti3 RENAME TO ti1;
affected rows: 0
ALTER TABLE tm3 RENAME TO tm1;
affected rows: 0
ALTER TABLE ti1 ORDER BY b;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 ORDER BY b;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 CONVERT TO CHARACTER SET utf16;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 CONVERT TO CHARACTER SET utf16;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 DEFAULT CHARACTER SET utf8;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 DEFAULT CHARACTER SET utf8;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 FORCE;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 FORCE;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 AUTO_INCREMENT 3;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 AUTO_INCREMENT 3;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 AVG_ROW_LENGTH 10;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 AVG_ROW_LENGTH 10;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 CHECKSUM 1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 CHECKSUM 1;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 COMMENT 'test';
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 COMMENT 'test';
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MAX_ROWS 100;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MAX_ROWS 100;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 MIN_ROWS 1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 MIN_ROWS 1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti1 PACK_KEYS 1;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE tm1 PACK_KEYS 1;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
DROP TABLE ti1, ti2, tm1, tm2;
# Tests of >1 operation (InnoDB)
CREATE TABLE ti1(a INT PRIMARY KEY AUTO_INCREMENT, b INT) engine=InnoDB;
INSERT INTO ti1(b) VALUES (1), (2);
ALTER TABLE ti1 RENAME TO ti3, ADD INDEX ii1(b);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
ALTER TABLE ti3 DROP INDEX ii1, AUTO_INCREMENT 5;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
INSERT INTO ti3(b) VALUES (5);
ALTER TABLE ti3 ADD INDEX ii1(b), AUTO_INCREMENT 7;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
INSERT INTO ti3(b) VALUES (7);
SELECT * FROM ti3;
a b
1 1
2 2
5 5
7 7
DROP TABLE ti3;
#
# 8: Scenario in which ALTER TABLE was returning an unwarranted
# ER_ILLEGAL_HA error at some point during work on this WL.
#
CREATE TABLE tm1(i INT DEFAULT 1) engine=MyISAM;
ALTER TABLE tm1 ADD INDEX ii1(i), ALTER COLUMN i DROP DEFAULT;
DROP TABLE tm1;
create table if not exists t1 (i int);
alter table t1 add key (i);
alter table t1 add key if not exists (i);
Warnings:
Note 1061 Duplicate key name 'i'
DROP TABLE t1;
create table t1 (a int);
alter table t1 change column if exists a b bigint;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`b` bigint(20) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
create table t1 (i int);
alter table t1 add unique index if not exists idx(i);
alter table t1 add unique index if not exists idx(i);
Warnings:
Note 1061 Duplicate key name 'idx'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL,
UNIQUE KEY `idx` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (
`event_id` bigint(20) unsigned NOT NULL DEFAULT '0',
`market_id` bigint(20) unsigned NOT NULL DEFAULT '0',
PRIMARY KEY (`event_id`,`market_id`)
);
ALTER TABLE t1 ADD PRIMARY KEY IF NOT EXISTS event_id (event_id,market_id);
Warnings:
Note 1061 Multiple primary key defined
DROP TABLE t1;
#
# MDEV-11126 Crash while altering persistent virtual column
#
CREATE TABLE `tab1` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`field2` set('option1','option2','option3','option4') NOT NULL,
`field3` set('option1','option2','option3','option4','option5') NOT NULL,
`field4` set('option1','option2','option3','option4') NOT NULL,
`field5` varchar(32) NOT NULL,
`field6` varchar(32) NOT NULL,
`field7` varchar(32) NOT NULL,
`field8` varchar(32) NOT NULL,
`field9` int(11) NOT NULL DEFAULT '1',
`field10` varchar(16) NOT NULL,
`field11` enum('option1','option2','option3') NOT NULL DEFAULT 'option1',
`v_col` varchar(128) AS (IF(field11='option1',CONCAT_WS(":","field1",field2,field3,field4,field5,field6,field7,field8,field9,field10), CONCAT_WS(":","field1",field11,field2,field3,field4,field5,field6,field7,field8,field9,field10))) PERSISTENT,
PRIMARY KEY (`id`)
) DEFAULT CHARSET=latin1;
ALTER TABLE `tab1` CHANGE COLUMN v_col `v_col` varchar(128);
SHOW CREATE TABLE `tab1`;
Table Create Table
tab1 CREATE TABLE `tab1` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`field2` set('option1','option2','option3','option4') NOT NULL,
`field3` set('option1','option2','option3','option4','option5') NOT NULL,
`field4` set('option1','option2','option3','option4') NOT NULL,
`field5` varchar(32) NOT NULL,
`field6` varchar(32) NOT NULL,
`field7` varchar(32) NOT NULL,
`field8` varchar(32) NOT NULL,
`field9` int(11) NOT NULL DEFAULT 1,
`field10` varchar(16) NOT NULL,
`field11` enum('option1','option2','option3') NOT NULL DEFAULT 'option1',
`v_col` varchar(128) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE `tab1` CHANGE COLUMN v_col `v_col` varchar(128) AS (IF(field11='option1',CONCAT_WS(":","field1",field2,field3,field4,field5,field6,field7,field8,field9,field10), CONCAT_WS(":","field1",field11,field2,field3,field4,field5,field6,field7,field8,field9,field10))) PERSISTENT;
SHOW CREATE TABLE `tab1`;
Table Create Table
tab1 CREATE TABLE `tab1` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`field2` set('option1','option2','option3','option4') NOT NULL,
`field3` set('option1','option2','option3','option4','option5') NOT NULL,
`field4` set('option1','option2','option3','option4') NOT NULL,
`field5` varchar(32) NOT NULL,
`field6` varchar(32) NOT NULL,
`field7` varchar(32) NOT NULL,
`field8` varchar(32) NOT NULL,
`field9` int(11) NOT NULL DEFAULT 1,
`field10` varchar(16) NOT NULL,
`field11` enum('option1','option2','option3') NOT NULL DEFAULT 'option1',
`v_col` varchar(128) GENERATED ALWAYS AS (if(`field11` = 'option1',concat_ws(':','field1',`field2`,`field3`,`field4`,`field5`,`field6`,`field7`,`field8`,`field9`,`field10`),concat_ws(':','field1',`field11`,`field2`,`field3`,`field4`,`field5`,`field6`,`field7`,`field8`,`field9`,`field10`))) STORED,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE `tab1`;
#
# MDEV-11548 Reproducible server crash after the 2nd ALTER TABLE ADD FOREIGN KEY IF NOT EXISTS
#
CREATE TABLE t1 (id INT UNSIGNED NOT NULL PRIMARY KEY);
CREATE TABLE t2 (id1 INT UNSIGNED NOT NULL);
ALTER TABLE t2
ADD FOREIGN KEY IF NOT EXISTS (id1)
REFERENCES t1 (id);
ALTER TABLE t2
ADD FOREIGN KEY IF NOT EXISTS (id1)
REFERENCES t1 (id);
Warnings:
Note 1061 Duplicate key name 'id1'
DROP TABLE t2;
DROP TABLE t1;
#
# MDEV-6390 CONVERT TO CHARACTER SET utf8 doesn't change DEFAULT CHARSET.
#
CREATE TABLE t1 (id int(11) NOT NULL, a int(11) NOT NULL, b int(11))
ENGINE=InnoDB DEFAULT CHARSET=latin1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL,
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL,
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
DROP TABLE t1;
#
# MDEV-15308
# Assertion `ha_alter_info->alter_info->drop_list.elements > 0' failed
# in ha_innodb::prepare_inplace_alter_table
#
CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB;
ALTER TABLE t1 DROP FOREIGN KEY IF EXISTS fk, DROP COLUMN b;
Warnings:
Note 1091 Can't DROP FOREIGN KEY `fk`; check that it exists
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB;
ALTER TABLE t1 DROP INDEX IF EXISTS fk, DROP COLUMN b;
Warnings:
Note 1091 Can't DROP INDEX `fk`; check that it exists
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT, KEY(c)) ENGINE=InnoDB;
ALTER TABLE t1 DROP FOREIGN KEY IF EXISTS fk, DROP COLUMN c;
Warnings:
Note 1091 Can't DROP FOREIGN KEY `fk`; check that it exists
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT, KEY c1(c)) ENGINE=InnoDB;
ALTER TABLE t1 DROP FOREIGN KEY IF EXISTS fk, DROP INDEX c1;
Warnings:
Note 1091 Can't DROP FOREIGN KEY `fk`; check that it exists
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB;
ALTER TABLE t1 DROP INDEX IF EXISTS fk, DROP COLUMN IF EXISTS c;
Warnings:
Note 1091 Can't DROP INDEX `fk`; check that it exists
Note 1091 Can't DROP COLUMN `c`; check that it exists
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# MDEV-14668 ADD PRIMARY KEY IF NOT EXISTS on composite key
#
CREATE TABLE t1 (
`ID` BIGINT(20) NOT NULL,
`RANK` MEDIUMINT(4) NOT NULL,
`CHECK_POINT` BIGINT(20) NOT NULL,
UNIQUE INDEX `HORIZON_UIDX01` (`ID`, `RANK`)
) ENGINE=InnoDB;
ALTER TABLE t1 ADD PRIMARY KEY IF NOT EXISTS (`ID`, `CHECK_POINT`);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`ID` bigint(20) NOT NULL,
`RANK` mediumint(4) NOT NULL,
`CHECK_POINT` bigint(20) NOT NULL,
PRIMARY KEY (`ID`,`CHECK_POINT`),
UNIQUE KEY `HORIZON_UIDX01` (`ID`,`RANK`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t1 ADD PRIMARY KEY IF NOT EXISTS (`ID`, `CHECK_POINT`);
Warnings:
Note 1061 Multiple primary key defined
DROP TABLE t1;
#
# End of 10.0 tests
#
#
# MDEV-7374 : Losing connection to MySQL while running ALTER TABLE
#
CREATE TABLE t1(i INT) ENGINE=INNODB;
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
INSERT INTO t1 SELECT a.* FROM t1 a, t1 b, t1 c, t1 d, t1 e;
ALTER TABLE t1 MODIFY i FLOAT;
DROP TABLE t1;
#
# MDEV-7816 ALTER with DROP INDEX and ADD INDEX .. COMMENT='comment2' ignores the new comment
#
CREATE TABLE t1(a INT);
CREATE INDEX i1 ON t1(a) COMMENT 'comment1';
ALTER TABLE t1 DROP INDEX i1, ADD INDEX i1(a) COMMENT 'comment2';
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
KEY `i1` (`a`) COMMENT 'comment2'
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
#
# End of 10.1 tests
#
#
# MDEV-10421 duplicate CHECK CONSTRAINTs
#
CREATE TABLE t1 (a INT, b INT) engine=myisam;
ALTER TABLE t1 ADD CONSTRAINT IF NOT EXISTS `min` CHECK (a+b > 100);
ALTER TABLE t1 ADD CONSTRAINT `min` CHECK (a+b > 100);
ERROR HY000: Duplicate CHECK constraint name 'min'
ALTER TABLE t1 ADD CONSTRAINT IF NOT EXISTS `min` CHECK (a+b > 100);
Warnings:
Note 1826 Duplicate CHECK constraint name 'min'
ALTER TABLE t1 ADD CONSTRAINT `mini` CHECK (a+b > 100);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
CONSTRAINT `min` CHECK (`a` + `b` > 100),
CONSTRAINT `mini` CHECK (`a` + `b` > 100)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1;
CREATE TABLE t1(a INT, b INT, CONSTRAINT min check (a>5),
CONSTRAINT min check (b>5));
ERROR HY000: Duplicate CHECK constraint name 'min'
create table t1 (a int, b int, check(a>b));
alter table t1 drop column a;
ERROR 42S22: Unknown column 'a' in 'CHECK'
alter table t1 drop column b, add column b bigint first;
ERROR 42S22: Unknown column 'b' in 'CHECK'
alter table t1 drop column a, drop constraint constraint_1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
create table t1 (a int, b int, check(a>0));
alter table t1 drop column a;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
create table t1 (a int, b int, check(a>0));
alter table t1 drop column a, add column a bigint first;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
create table t1 (a int, b int, c int, unique(a));
alter table t1 drop column a;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
create table t1 (a int, b int, c int, unique(a,b));
alter table t1 drop column a;
ERROR 42000: Key column 'a' doesn't exist in table
alter table t1 drop column a, drop index a;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
create table t1 (i int);
alter table t1 alter column if exists a set default 1;
Warnings:
Note 1054 Unknown column 'a' in 't1'
alter table t1 alter column if exists a drop default;
Warnings:
Note 1054 Unknown column 'a' in 't1'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
#
# MDEV-13508 Check that rename of columns changes defaults, virtual
# columns and constraints
#
create table t1 (a int, b int, check(a>b));
alter table t1 change column a b int, change column b a int;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`b` int(11) DEFAULT NULL,
`a` int(11) DEFAULT NULL,
CONSTRAINT `CONSTRAINT_1` CHECK (`b` > `a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
create table t1 (a int primary key, b int, c int default (a+b) check (a+b>0),
d int as (a+b),
key (b),
constraint test check (a+b > 1));
alter table t1 change b new_b int not null, add column b char(1), add constraint new check (length(b) > 0);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`new_b` int(11) NOT NULL,
`c` int(11) DEFAULT (`a` + `new_b`) CHECK (`a` + `new_b` > 0),
`d` int(11) GENERATED ALWAYS AS (`a` + `new_b`) VIRTUAL,
`b` char(1) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `b` (`new_b`),
CONSTRAINT `test` CHECK (`a` + `new_b` > 1),
CONSTRAINT `new` CHECK (octet_length(`b`) > 0)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
#
# MDEV-11071: Assertion `thd->transaction.stmt.is_empty()' failed
# in Locked_tables_list::unlock_locked_tables
#
CREATE TABLE t1 (d DATETIME DEFAULT CURRENT_TIMESTAMP, i INT) ENGINE=InnoDB;
INSERT INTO t1 (i) VALUES (1),(1);
LOCK TABLE t1 WRITE;
ALTER TABLE t1 ADD UNIQUE(i);
ERROR 23000: Duplicate entry '1' for key 'i'
UNLOCK TABLES;
DROP TABLE t1;
#
# MDEV-17599 ALTER TABLE DROP CONSTRAINT does not work for foreign keys.
#
CREATE TABLE t1(id INT PRIMARY KEY, c1 INT) ENGINE= INNODB;
CREATE TABLE t2(id INT PRIMARY KEY, c1 INT, c2 INT NOT NULL,
CONSTRAINT sid FOREIGN KEY (`c1`) REFERENCES t1 (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION,
CONSTRAINT UNIQUE `ui`(c2)) ENGINE= INNODB;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
`c1` int(11) DEFAULT NULL,
`c2` int(11) NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `ui` (`c2`),
KEY `sid` (`c1`),
CONSTRAINT `sid` FOREIGN KEY (`c1`) REFERENCES `t1` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t2 DROP CONSTRAINT sid;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
`c1` int(11) DEFAULT NULL,
`c2` int(11) NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `ui` (`c2`),
KEY `sid` (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t2 DROP CONSTRAINT ui;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
`c1` int(11) DEFAULT NULL,
`c2` int(11) NOT NULL,
PRIMARY KEY (`id`),
KEY `sid` (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
ALTER TABLE t2 DROP CONSTRAINT PRIMARY KEY;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
`c1` int(11) DEFAULT NULL,
`c2` int(11) NOT NULL,
KEY `sid` (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2, t1;
#
# MDEV-18163: Assertion `table_share->tmp_table != NO_TMP_TABLE ||
# m_lock_type != 2' failed in handler::ha_rnd_next(); / Assertion
# `table_list->table' failed in find_field_in_table_ref / ERROR 1901
# (on optimized builds)
#
CREATE TABLE t1 (k1 varchar(10) DEFAULT 5);
CREATE TABLE t2 (i1 int);
ALTER TABLE t1 ALTER COLUMN k1 SET DEFAULT (SELECT 1 FROM t2 limit 1);
ERROR HY000: Function or expression 'select ...' cannot be used in the DEFAULT clause of `k1`
DROP TABLE t1,t2;
#
# MDEV-25403 ALTER TABLE wrongly checks for field's default value if AFTER is used
#
create table t1(t int, d date not null);
insert into t1 values (1,'2001-1-1');
set sql_mode = "no_zero_date";
alter table t1 change d d date not null after t, add i int;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`t` int(11) DEFAULT NULL,
`d` date NOT NULL,
`i` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 add x date not null;
ERROR 22007: Incorrect date value: '0000-00-00' for column `test`.`t1`.`x` at row 1
drop table t1;
#
# End of 10.2 tests
#
#
# MDEV-17778: Alter table leads to a truncation warning with ANALYZE command
#
set @save_use_stat_tables= @@use_stat_tables;
set @save_optimizer_use_condition_selectivity= @@optimizer_use_condition_selectivity;
set @@optimizer_use_condition_selectivity=4;
set @@use_stat_tables=PREFERABLY;
create table t1 (a int)engine=InnoDB;
insert into t1 values (1),(1),(2),(3);
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
alter table t1 change a b int;
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
set @@use_stat_tables= @save_use_stat_tables;
set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
drop table t1;
#
# MDEV-18154 Deadlock and assertion upon no-op ALTER under LOCK TABLES
#
create or replace table t1 (pk int, i int, primary key (pk)) engine myisam;
create or replace view v1 as select * from t1;
lock table v1 read, t1 write;
alter table t1 change f1 f2 int;
ERROR 42S22: Unknown column 'f1' in 't1'
set max_statement_time= 1;
alter table t1 add column if not exists i int after pk;
Warnings:
Note 1060 Duplicate column name 'i'
set max_statement_time= 0;
drop table t1;
drop view v1;
#
# End of 10.3 tests
#
#
# MDEV-22563 Segfault on duplicate free of Item_func_in::array
#
create or replace table person_principal (
person_id bigint not null,
insurant_id varchar(10) not null,
principal_id bigint not null,
principal_officer_id bigint not null,
nursing_degree tinyint null,
nursing_degree_valid_from date not null default cast(current_timestamp(6) as date),
carma_user_id bigint not null,
current_date_time timestamp(6) not null default current_timestamp(6) on update current_timestamp(6),
constraint pk_person_principal primary key (person_id asc),
constraint ck_person_principal_nursing_degree check (nursing_degree in (1,2,3,4,5)));
Warnings:
Warning 1280 Name 'pk_person_principal' ignored for PRIMARY key.
create or replace table person_principal_hist (
person_id bigint not null,
insurant_id varchar(10) not null,
principal_id bigint not null,
principal_officer_id bigint not null,
nursing_degree tinyint null,
nursing_degree_valid_from date not null default cast(now() as date),
carma_user_id bigint not null,
orig_date_time datetime(6) not null,
constraint pk_person_principal_hist primary key (person_id asc, orig_date_time asc),
constraint ck_person_principal_hist_nursing_degree check (nursing_degree in (1,2,3,4,5)));
Warnings:
Warning 1280 Name 'pk_person_principal_hist' ignored for PRIMARY key.
insert into person_principal (person_id, insurant_id, principal_id, principal_officer_id, nursing_degree, nursing_degree_valid_from, carma_user_id)
values (1, 'A123456789', 5, 1, 1, '2018-05-06', 1);
alter table person_principal add column if not exists date_mask tinyint null;
update person_principal set date_mask = 0;
alter table person_principal modify column date_mask tinyint not null;
drop tables person_principal_hist, person_principal;
CREATE OR REPLACE TABLE `t1` ( `id` varchar(64) NOT NULL, `name` varchar(255) NOT NULL, `extra` text DEFAULT NULL, `password` varchar(128) DEFAULT NULL, `enabled` tinyint(1) DEFAULT NULL, `domain_id` varchar(64) NOT NULL, `default_project_id` varchar(64) DEFAULT NULL, PRIMARY KEY (`id`), CONSTRAINT `CONSTRAINT_1` CHECK (`enabled` in (0,1)) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
insert into t1 (id,name,enabled,domain_id) values (1,"Monty",1,"domain_id");
insert into t1 (id,name,enabled,domain_id) values (2,"Monty2",1,"domain_id2");
ALTER TABLE t1 ADD CONSTRAINT ixu_user2_name_domain_id UNIQUE (domain_id, name);
DROP TABLE t1;
#
# End of 10.4 tests
#
#
# MDEV-7318 RENAME INDEX
#
#
# 1) Tests for syntax and semantics of ALTER TABLE RENAME
# KEY/INDEX result.
#
# 1.a) Both RENAME KEY and RENAME INDEX variants should be
# allowed and produce expected results.
create table t1 (pk int primary key, i int, j int, key a(i));
alter table t1 rename key a to b;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `b` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename index b to c;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# 1.b) It should be impossible to rename index that doesn't
# exists, dropped or added within the same ALTER TABLE.
alter table t1 rename key d to e;
ERROR 42000: Key 'd' doesn't exist in table 't1'
alter table t1 rename key if exists d to e;
Warnings:
Note 1176 Key 'd' doesn't exist in table 't1'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 drop key c, rename key c to d;
ERROR 42000: Key 'c' doesn't exist in table 't1'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 add key d(j), rename key d to e;
ERROR 42000: Key 'd' doesn't exist in table 't1'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# 1.c) It should be impossible to rename index to a name
# which is already used by another index, or is used
# by index which is added within the same ALTER TABLE.
alter table t1 add key d(j);
alter table t1 rename key c to d;
ERROR 42000: Duplicate key name 'd'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`i`),
KEY `d` (`j`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 drop key d;
alter table t1 add key d(j), rename key c to d;
ERROR 42000: Duplicate key name 'd'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# 1.d) It should be possible to rename index to a name
# which belongs to index which is dropped within the
# same ALTER TABLE.
alter table t1 add key d(j);
alter table t1 drop key c, rename key d to c;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`j`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# 1.e) We disallow renaming from/to PRIMARY as it might
# lead to some other key becoming "primary" internally,
# which will be interpreted as dropping/addition of
# primary key.
alter table t1 rename key primary to d;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'primary to d' at line 1
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`j`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Even using 'funny' syntax.
alter table t1 rename key `primary` to d;
ERROR 42000: Incorrect index name 'primary'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`j`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename key c to primary;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'primary' at line 1
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`j`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename key c to `primary`;
ERROR 42000: Incorrect index name 'primary'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11) NOT NULL,
`i` int(11) DEFAULT NULL,
`j` int(11) DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `c` (`j`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
#
# 2) More complex tests for semantics of ALTER TABLE.
#
# 2.a) Check that standalone RENAME KEY works as expected
# for unique and non-unique indexes.
create table t1 (a int, unique u(a), b int, key k(b));
alter table t1 rename key u to uu;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
UNIQUE KEY `uu` (`a`),
KEY `k` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename key k to kk;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
UNIQUE KEY `uu` (`a`),
KEY `kk` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# 2.b) Check how that this clause can be mixed with other
# clauses which don't affect key or its columns.
alter table t1 rename key kk to kkk, add column c int;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
UNIQUE KEY `uu` (`a`),
KEY `kkk` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename key uu to uuu, add key c(c);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
UNIQUE KEY `uuu` (`a`),
KEY `kkk` (`b`),
KEY `c` (`c`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename key kkk to k, drop key uuu;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
KEY `k` (`b`),
KEY `c` (`c`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename key k to kk, rename to t2;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
KEY `kk` (`b`),
KEY `c` (`c`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t2;
#
# 3) Test coverage for handling of RENAME INDEX clause in
# various storage engines and using different ALTER
# algorithm.
#
# 3.a) Test coverage for simple storage engines (MyISAM/Heap).
create table t1 (i int, key k(i)) engine=myisam;
insert into t1 values (1);
create table t2 (i int, key k(i)) engine=memory;
insert into t2 values (1);
# MyISAM and Heap should be able to handle key renaming in-place.
alter table t1 algorithm=inplace, rename key k to kk;
alter table t2 algorithm=inplace, rename key k to kk;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL,
KEY `kk` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT NULL,
KEY `kk` (`i`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# So by default in-place algorithm should be chosen.
# (ALTER TABLE should report 0 rows affected).
alter table t1 rename key kk to kkk;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
alter table t2 rename key kk to kkk;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL,
KEY `kkk` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT NULL,
KEY `kkk` (`i`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Copy algorithm should work as well.
alter table t1 algorithm=copy, rename key kkk to kkkk;
alter table t2 algorithm=copy, rename key kkk to kkkk;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL,
KEY `kkkk` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT NULL,
KEY `kkkk` (`i`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# When renaming is combined with other in-place operation
# it still works as expected (i.e. works in-place).
alter table t1 algorithm=inplace, rename key kkkk to k, alter column i set default 100;
alter table t2 algorithm=inplace, rename key kkkk to k, alter column i set default 100;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT 100,
KEY `k` (`i`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT 100,
KEY `k` (`i`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# Combining with non-inplace operation results in the whole ALTER
# becoming non-inplace.
alter table t1 algorithm=inplace, rename key k to kk, add column j int;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY
alter table t2 algorithm=inplace, rename key k to kk, add column j int;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY
drop table t1, t2;
# 3.b) Basic tests for InnoDB. More tests can be found in
# innodb.innodb_rename_index*
create table t1 (i int, key k(i)) engine=innodb;
insert into t1 values (1);
# Basic rename, inplace algorithm should be chosen
alter table t1 algorithm=inplace, rename key k to kk;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL,
KEY `kk` (`i`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# copy algorithm should work as well.
alter table t1 algorithm=copy, rename key kk to kkk;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) DEFAULT NULL,
KEY `kkk` (`i`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
#
# 4) Additional coverage for complex cases in which code
# in ALTER TABLE comparing old and new table version
# got confused.
#
# Once InnoDB starts to support in-place index renaming the result
# of below statements should stay the same. Information about
# indexes returned by SHOW CREATE TABLE (from .FRM) and by
# InnoDB (from InnoDB data-dictionary) should be consistent.
#
create table t1 ( a int, b int, c int, d int,
primary key (a), index i1 (b), index i2 (c) ) engine=innodb;
alter table t1 add index i1 (d), rename index i1 to x;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
`d` int(11) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `x` (`b`),
KEY `i2` (`c`),
KEY `i1` (`d`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
select i.name as k, f.name as c from information_schema.innodb_sys_tables as t,
information_schema.innodb_sys_indexes as i,
information_schema.innodb_sys_fields as f
where t.name='test/t1' and t.table_id = i.table_id and i.index_id = f.index_id
order by k, c;
k c
i1 d
i2 c
PRIMARY a
x b
drop table t1;
create table t1 (a int, b int, c int, d int,
primary key (a), index i1 (b), index i2 (c)) engine=innodb;
alter table t1 add index i1 (d), rename index i1 to i2, drop index i2;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
`d` int(11) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `i2` (`b`),
KEY `i1` (`d`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
select i.name as k, f.name as c from information_schema.innodb_sys_tables as t,
information_schema.innodb_sys_indexes as i,
information_schema.innodb_sys_fields as f
where t.name='test/t1' and t.table_id = i.table_id and i.index_id = f.index_id
order by k, c;
k c
i1 d
i2 b
PRIMARY a
drop table t1;
#
# ALTER TABLE IF EXISTS
#
create table t1 (a int);
alter table if exists t1 add column b int;
alter table if exists t2 add column c int;
Warnings:
Error 1146 Table 'test.t2' doesn't exist
alter table if exists t9 rename t1;
Warnings:
Error 1146 Table 'test.t9' doesn't exist
alter table if exists t1 rename t2;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t2;
#
# MDEV-22881 Unexpected errors, corrupt output, Valgrind / ASAN errors in Item_ident::print or append_identifier
#
create table t1 (a int check (a >= 0));
lock tables t1 write;
alter table t1 rename column a to a;
alter table t1 rename key if exists x to xx;
Warnings:
Note 1176 Key 'x' doesn't exist in table 't1'
unlock tables;
drop table t1;
#
# MDEV-23852 alter table rename column to uppercase doesn't work
#
create table t1 (abc int);
alter table t1 rename column abc to Abc, algorithm=copy;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`Abc` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename column abc to ABc, algorithm=inplace;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`ABc` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
alter table t1 rename column abc to ABC;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`ABC` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
drop table t1;
#
# MDEV-25555 Server crashes in tree_record_pos after INPLACE-recreating index on HEAP table
#
create table t1 (a int, key idx1(a), key idx2 using btree(a)) engine=memory;
alter table t1 rename index idx1 to idx3, algorithm=inplace;
delete from t1 where a = 10;
alter table t1 drop key idx3, add key idx1(a), algorithm=inplace;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY
delete from t1 where a = 11;
drop table t1;
#
# End of 10.5 tests
#
#
# MDEV-32449 Server crashes in Alter_info::add_stat_drop_index upon CREATE TABLE
#
CREATE TABLE t1 (
`altcol1` blob DEFAULT '',
KEY `altcol1` (`altcol1`(2300))
) ROW_FORMAT=PAGE, ENGINE=Aria;
ALTER TABLE t1 ADD FOREIGN KEY h (`altcol1`) REFERENCES t1 (`altcol1`) ON UPDATE SET DEFAULT, ALGORITHM=COPY;
Warnings:
Note 1071 Specified key was too long; max key length is 2300 bytes
create or replace table t2 like t1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`altcol1` blob DEFAULT '',
KEY `altcol1` (`altcol1`(2300))
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 ROW_FORMAT=PAGE
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`altcol1` blob DEFAULT '',
KEY `altcol1` (`altcol1`(2300))
) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 ROW_FORMAT=PAGE
drop table t1,t2;
# Another test for MDEV-32449
CREATE TABLE t1 (a POINT, b POINT, KEY(a)) ENGINE=Aria;
ALTER TABLE t1 ADD FOREIGN KEY (a) REFERENCES t (b);
CREATE TEMPORARY TABLE t2 LIKE t1;
DROP TEMPORARY TABLE t2;
DROP TABLE t1;
#
# MDEV-33313 Incorrect error message for "ALTER TABLE ... DROP CONSTRAINT ..., DROP col, DROP col"
#
create table t2(id int primary key) engine=innodb;
create table t1(id int primary key, t2_id int, constraint t1_fk_t2_id foreign key(t2_id) references t2(id)) engine=innodb;
alter table t1 drop constraint t1_fk_t2_id, drop t2_id, drop t2_id;
ERROR 42000: Can't DROP COLUMN `t2_id`; check that it exists
drop table t1, t2;
#
# End of 10.6 tests
#
#
# MDEV-26767 Server crashes when rename table and alter storage engine
#
alter table txxx engine=innodb, rename to tyyy;
ERROR 42S02: Table 'test.txxx' doesn't exist
#
# MDEV-27048 UBSAN: runtime error: shift exponent 32 is too large for 32-bit type 'unsigned int'
#
CREATE TABLE t (a INT,b INT,c INT,x TEXT,y TEXT,z TEXT,id INT UNSIGNED AUTO_INCREMENT,i INT,KEY(id),UNIQUE KEY a (a,b,c));
ALTER TABLE t ADD CONSTRAINT test UNIQUE (id) USING HASH;
ERROR HY000: Function or expression 'AUTO_INCREMENT' cannot be used in the USING HASH clause of `id`
DROP TABLE t;
#
# End of 10.7 tests
#
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