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drop table if exists t1,t2;
drop database if exists mysqltest;
SET sql_mode = 'NO_ENGINE_SUBSTITUTION,NO_AUTO_CREATE_USER';
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
t1 0 n1 1 n1 A 0 NULL NULL BTREE
t1 1 n1_2 1 n1 A NULL NULL NULL BTREE disabled
t1 1 n1_2 2 n2 A NULL NULL NULL YES BTREE disabled
t1 1 n1_2 3 n3 A NULL NULL NULL YES BTREE disabled
t1 1 n1_2 4 n4 A NULL NULL NULL YES BTREE disabled
t1 1 n2 1 n2 A NULL NULL NULL YES BTREE disabled
t1 1 n2 2 n3 A NULL NULL NULL YES BTREE disabled
t1 1 n2 3 n4 A NULL NULL NULL YES BTREE disabled
t1 1 n2 4 n1 A NULL NULL NULL BTREE disabled
t1 1 n3 1 n3 A NULL NULL NULL YES BTREE disabled
t1 1 n3 2 n4 A NULL NULL NULL YES BTREE disabled
t1 1 n3 3 n1 A NULL NULL NULL BTREE disabled
t1 1 n3 4 n2 A NULL NULL NULL YES BTREE disabled
t1 1 n4 1 n4 A NULL NULL NULL YES BTREE disabled
t1 1 n4 2 n1 A NULL NULL NULL BTREE disabled
t1 1 n4 3 n2 A NULL NULL NULL YES BTREE disabled
t1 1 n4 4 n3 A NULL NULL NULL YES BTREE disabled
insert into t1 values(10,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(9,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(8,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(7,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(6,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(5,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(4,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(3,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(2,RAND()*1000,RAND()*1000,RAND());
insert into t1 values(1,RAND()*1000,RAND()*1000,RAND());
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
t1 0 n1 1 n1 A 10 NULL NULL BTREE
t1 1 n1_2 1 n1 A 10 NULL NULL BTREE
t1 1 n1_2 2 n2 A 10 NULL NULL YES BTREE
t1 1 n1_2 3 n3 A 10 NULL NULL YES BTREE
t1 1 n1_2 4 n4 A 10 NULL NULL YES BTREE
t1 1 n2 1 n2 A 10 NULL NULL YES BTREE
t1 1 n2 2 n3 A 10 NULL NULL YES BTREE
t1 1 n2 3 n4 A 10 NULL NULL YES BTREE
t1 1 n2 4 n1 A 10 NULL NULL BTREE
t1 1 n3 1 n3 A 10 NULL NULL YES BTREE
t1 1 n3 2 n4 A 10 NULL NULL YES BTREE
t1 1 n3 3 n1 A 10 NULL NULL BTREE
t1 1 n3 4 n2 A 10 NULL NULL YES BTREE
t1 1 n4 1 n4 A 10 NULL NULL YES BTREE
t1 1 n4 2 n1 A 10 NULL NULL BTREE
t1 1 n4 3 n2 A 10 NULL NULL YES BTREE
t1 1 n4 4 n3 A 10 NULL NULL YES BTREE
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);
insert into t1 values(1,100), (2,100), (3, 100);
insert into t1 values(1,99), (2,99), (3, 99);
insert into t1 values(1,98), (2,98), (3, 98);
insert into t1 values(1,97), (2,97), (3, 97);
insert into t1 values(1,96), (2,96), (3, 96);
insert into t1 values(1,95), (2,95), (3, 95);
insert into t1 values(1,94), (2,94), (3, 94);
insert into t1 values(1,93), (2,93), (3, 93);
insert into t1 values(1,92), (2,92), (3, 92);
insert into t1 values(1,91), (2,91), (3, 91);
insert into t1 values(1,90), (2,90), (3, 90);
insert into t1 values(1,89), (2,89), (3, 89);
insert into t1 values(1,88), (2,88), (3, 88);
insert into t1 values(1,87), (2,87), (3, 87);
insert into t1 values(1,86), (2,86), (3, 86);
insert into t1 values(1,85), (2,85), (3, 85);
insert into t1 values(1,84), (2,84), (3, 84);
insert into t1 values(1,83), (2,83), (3, 83);
insert into t1 values(1,82), (2,82), (3, 82);
insert into t1 values(1,81), (2,81), (3, 81);
insert into t1 values(1,80), (2,80), (3, 80);
insert into t1 values(1,79), (2,79), (3, 79);
insert into t1 values(1,78), (2,78), (3, 78);
insert into t1 values(1,77), (2,77), (3, 77);
insert into t1 values(1,76), (2,76), (3, 76);
insert into t1 values(1,75), (2,75), (3, 75);
insert into t1 values(1,74), (2,74), (3, 74);
insert into t1 values(1,73), (2,73), (3, 73);
insert into t1 values(1,72), (2,72), (3, 72);
insert into t1 values(1,71), (2,71), (3, 71);
insert into t1 values(1,70), (2,70), (3, 70);
insert into t1 values(1,69), (2,69), (3, 69);
insert into t1 values(1,68), (2,68), (3, 68);
insert into t1 values(1,67), (2,67), (3, 67);
insert into t1 values(1,66), (2,66), (3, 66);
insert into t1 values(1,65), (2,65), (3, 65);
insert into t1 values(1,64), (2,64), (3, 64);
insert into t1 values(1,63), (2,63), (3, 63);
insert into t1 values(1,62), (2,62), (3, 62);
insert into t1 values(1,61), (2,61), (3, 61);
insert into t1 values(1,60), (2,60), (3, 60);
insert into t1 values(1,59), (2,59), (3, 59);
insert into t1 values(1,58), (2,58), (3, 58);
insert into t1 values(1,57), (2,57), (3, 57);
insert into t1 values(1,56), (2,56), (3, 56);
insert into t1 values(1,55), (2,55), (3, 55);
insert into t1 values(1,54), (2,54), (3, 54);
insert into t1 values(1,53), (2,53), (3, 53);
insert into t1 values(1,52), (2,52), (3, 52);
insert into t1 values(1,51), (2,51), (3, 51);
insert into t1 values(1,50), (2,50), (3, 50);
insert into t1 values(1,49), (2,49), (3, 49);
insert into t1 values(1,48), (2,48), (3, 48);
insert into t1 values(1,47), (2,47), (3, 47);
insert into t1 values(1,46), (2,46), (3, 46);
insert into t1 values(1,45), (2,45), (3, 45);
insert into t1 values(1,44), (2,44), (3, 44);
insert into t1 values(1,43), (2,43), (3, 43);
insert into t1 values(1,42), (2,42), (3, 42);
insert into t1 values(1,41), (2,41), (3, 41);
insert into t1 values(1,40), (2,40), (3, 40);
insert into t1 values(1,39), (2,39), (3, 39);
insert into t1 values(1,38), (2,38), (3, 38);
insert into t1 values(1,37), (2,37), (3, 37);
insert into t1 values(1,36), (2,36), (3, 36);
insert into t1 values(1,35), (2,35), (3, 35);
insert into t1 values(1,34), (2,34), (3, 34);
insert into t1 values(1,33), (2,33), (3, 33);
insert into t1 values(1,32), (2,32), (3, 32);
insert into t1 values(1,31), (2,31), (3, 31);
insert into t1 values(1,30), (2,30), (3, 30);
insert into t1 values(1,29), (2,29), (3, 29);
insert into t1 values(1,28), (2,28), (3, 28);
insert into t1 values(1,27), (2,27), (3, 27);
insert into t1 values(1,26), (2,26), (3, 26);
insert into t1 values(1,25), (2,25), (3, 25);
insert into t1 values(1,24), (2,24), (3, 24);
insert into t1 values(1,23), (2,23), (3, 23);
insert into t1 values(1,22), (2,22), (3, 22);
insert into t1 values(1,21), (2,21), (3, 21);
insert into t1 values(1,20), (2,20), (3, 20);
insert into t1 values(1,19), (2,19), (3, 19);
insert into t1 values(1,18), (2,18), (3, 18);
insert into t1 values(1,17), (2,17), (3, 17);
insert into t1 values(1,16), (2,16), (3, 16);
insert into t1 values(1,15), (2,15), (3, 15);
insert into t1 values(1,14), (2,14), (3, 14);
insert into t1 values(1,13), (2,13), (3, 13);
insert into t1 values(1,12), (2,12), (3, 12);
insert into t1 values(1,11), (2,11), (3, 11);
insert into t1 values(1,10), (2,10), (3, 10);
insert into t1 values(1,9), (2,9), (3, 9);
insert into t1 values(1,8), (2,8), (3, 8);
insert into t1 values(1,7), (2,7), (3, 7);
insert into t1 values(1,6), (2,6), (3, 6);
insert into t1 values(1,5), (2,5), (3, 5);
insert into t1 values(1,4), (2,4), (3, 4);
insert into t1 values(1,3), (2,3), (3, 3);
insert into t1 values(1,2), (2,2), (3, 2);
insert into t1 values(1,1), (2,1), (3, 1);
alter table t1 add unique (a,b), add key (b);
show keys from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 a 1 a A NULL NULL NULL YES BTREE
t1 0 a 2 b A NULL NULL NULL YES BTREE
t1 1 b 1 b A 100 NULL NULL YES BTREE
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
show keys from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 a 1 a A 3 NULL NULL YES BTREE
t1 0 a 2 b A 300 NULL NULL YES BTREE
t1 1 b 1 b A 100 NULL NULL YES BTREE
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
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE
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
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE
t1 1 Host 1 Host A NULL NULL NULL BTREE disabled
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
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE
t1 1 Host 1 Host A NULL NULL NULL BTREE disabled
ALTER TABLE t1 ENABLE KEYS;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
t1 0 PRIMARY 2 User A 2 NULL NULL BTREE
t1 1 Host 1 Host A 1 NULL NULL BTREE
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
t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE
t1 1 Host 1 Host A NULL NULL NULL BTREE disabled
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;
drop table if exists t1, t2;
Warnings:
Note 1051 Unknown table 'test.t1'
Note 1051 Unknown table 'test.t2'
create table t1 ( a varchar(10) not null primary key ) engine=myisam;
create table t2 ( a varchar(10) not null primary key ) engine=merge union=(t1);
flush tables;
alter table t1 modify a varchar(10);
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` varchar(10) NOT NULL,
PRIMARY KEY (`a`)
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`)
flush tables;
alter table t1 modify a varchar(10) not null;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` varchar(10) NOT NULL,
PRIMARY KEY (`a`)
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`)
drop table if exists t1, t2;
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 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
t1 MyISAM 10 Fixed 1 37 X X X X X X X X latin1_swedish_ci NULL
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
t1 MyISAM 10 Fixed 1 37 X X X X X X X X latin1_swedish_ci NULL
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 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
t1 MyISAM 10 Fixed 1 37 X X X X X X X X latin1_swedish_ci NULL
drop table t1;
set names koi8r;
create table t1 (a char(10) character set koi8r);
insert into t1 values ('ΤΕΣΤ');
select a,hex(a) from t1;
a hex(a)
ΤΕΣΤ D4C5D3D4
alter table t1 change a a char(10) character set cp1251;
select a,hex(a) from t1;
a hex(a)
ΤΕΣΤ F2E5F1F2
alter table t1 change a a binary(4);
select a,hex(a) from t1;
a hex(a)
ςερς F2E5F1F2
alter table t1 change a a char(10) character set cp1251;
select a,hex(a) from t1;
a hex(a)
ΤΕΣΤ F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a hex(a)
ΤΕΣΤ D4C5D3D4
alter table t1 change a a varchar(10) character set cp1251;
select a,hex(a) from t1;
a hex(a)
ΤΕΣΤ F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a hex(a)
ΤΕΣΤ D4C5D3D4
alter table t1 change a a text character set cp1251;
select a,hex(a) from t1;
a hex(a)
ΤΕΣΤ F2E5F1F2
alter table t1 change a a char(10) character set koi8r;
select a,hex(a) from t1;
a hex(a)
ΤΕΣΤ D4C5D3D4
delete from t1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(10) CHARACTER SET koi8r DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 DEFAULT CHARACTER SET latin1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(10) CHARACTER SET koi8r DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
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
alter table t1 DEFAULT CHARACTER SET cp1251;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(10) CHARACTER SET latin1 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=cp1251
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,
`mytext` longtext COLLATE latin1_general_cs
) 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,
`mytext` longtext CHARACTER SET latin1 COLLATE latin1_general_cs
) ENGINE=MyISAM DEFAULT CHARSET=latin2
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
ALTER TABLE t1 DROP PRIMARY KEY;
ERROR 42000: Can't DROP 'PRIMARY'; check that column/key exists
DROP TABLE t1;
create table t1 (a int, b int, key(a));
insert into t1 values (1,1), (2,2);
alter table t1 drop key no_such_key;
ERROR 42000: Can't DROP 'no_such_key'; check that column/key exists
alter table t1 drop key a;
drop table t1;
CREATE TABLE T12207(a int) ENGINE=MYISAM;
ALTER TABLE T12207 DISCARD TABLESPACE;
ERROR HY000: Table storage engine for 'T12207' doesn't have this option
DROP TABLE T12207;
create table t1 (a text) character set koi8r;
insert into t1 values (_koi8r'ΤΕΣΤ');
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
t1 1 a 1 a A NULL NULL NULL YES BTREE
"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
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled
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
t1 1 a 1 a A NULL NULL NULL YES BTREE
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
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled
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
t1 1 a 1 a A NULL NULL NULL YES BTREE
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
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled
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
t1 1 a 1 a A NULL NULL NULL YES BTREE
"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
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled
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
t1 1 a 1 a A NULL NULL NULL YES BTREE disabled
drop table t1;
"Now will test with one unique index"
create table t1(a int, b char(10), unique(a));
show indexes from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 a 1 a A NULL NULL NULL YES BTREE
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
t1 0 a 1 a A NULL NULL NULL YES BTREE
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
t1 0 a 1 a A NULL NULL NULL YES BTREE
"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
t1 0 a 1 a A NULL NULL NULL YES BTREE
alter table t1 modify a bigint;
show indexes from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 a 1 a A NULL NULL NULL YES BTREE
alter table t1 modify a int;
show indexes from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 a 1 a A NULL NULL NULL YES BTREE
drop table t1;
"Now will test with one unique and one non-unique index"
create table t1(a int, b char(10), unique(a), key(b));
show indexes from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 a 1 a A NULL NULL NULL YES BTREE
t1 1 b 1 b A NULL NULL NULL YES BTREE
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
t1 0 a 1 a A NULL NULL NULL YES BTREE
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled
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
t1 0 a 1 a A NULL NULL NULL YES BTREE
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled
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
t1 0 a 1 a A NULL NULL NULL YES BTREE
t1 1 b 1 b A NULL NULL NULL YES BTREE
"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
t1 0 a 1 a A NULL NULL NULL YES BTREE
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled
"Change again the type, but leave the indexes as_is"
alter table t1 modify a int;
show indexes from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 a 1 a A NULL NULL NULL YES BTREE
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled
"Try the same. When data is no copied on similar tables, this is noop"
alter table t1 modify a int;
show indexes from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 a 1 a A NULL NULL NULL YES BTREE
t1 1 b 1 b A NULL NULL NULL YES BTREE disabled
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 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 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
bug24219 1 a 1 a A NULL NULL NULL YES BTREE
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
bug24219_2 1 a 1 a A NULL NULL NULL YES BTREE disabled
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 MySQL 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 MySQL 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 MySQL 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 MySQL 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 clause'
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 sql_mode= default;
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 'f3' at row 1
alter table t1 add column f3 date not null;
ERROR 22007: Incorrect date value: '0000-00-00' for column '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 '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;
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
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
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
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
) ENGINE=MyISAM DEFAULT CHARSET=utf8
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
) ENGINE=MyISAM DEFAULT CHARSET=utf8
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
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
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
ALTER TABLE `#sql1` RENAME `@0023sql1`;
ALTER TABLE `@0023sql2` RENAME `#sql2`;
SHOW TABLES;
Tables_in_test
INSERT INTO `#sql2` VALUES (1);
INSERT INTO `@0023sql1` VALUES (2);
SHOW CREATE TABLE `#sql2`;
Table Create Table
#sql2 CREATE TEMPORARY TABLE `#sql2` (
`c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SHOW CREATE TABLE `@0023sql1`;
Table Create Table
@0023sql1 CREATE TEMPORARY TABLE `@0023sql1` (
`c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
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
t1 1 int_field 1 int_field A NULL NULL NULL BTREE
INSERT INTO t1 VALUES (1, "edno"), (1, "edno"), (2, "dve"), (3, "tri"), (5, "pet");
"Non-copy data change - new frm, but old data and index files"
ALTER TABLE t1
CHANGE int_field unsigned_int_field INTEGER 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;
#
# 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)));
ERROR 42000: Specified key was too long; max key length is 255 bytes
CREATE TABLE db1.t1 (bar TINYTEXT, KEY (bar(85)));
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: Table storage engine for '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;
# 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
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:
Warning 1831 Duplicate index 'i2' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i3' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i4' defined on the table 'test.t1'. 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 + old_alter_table
#
SET SESSION old_alter_table= 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: 2
info: Records: 2 Duplicates: 0 Warnings: 1
Warnings:
Warning 1831 Duplicate index 'i2' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i3' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i4' defined on the table 'test.t1'. This is deprecated and will be disallowed in a future release.
SET SESSION old_alter_table= 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:
Warning 1831 Duplicate index 'i2' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i3' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i4' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i2' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i3' defined on the table 'test.t1'. This is deprecated and will be disallowed in a future release.
ALTER TABLE t1 ADD INDEX i4(b), ALGORITHM= COPY, LOCK= NONE;
ERROR 0A000: LOCK=NONE is not supported. Reason: COPY algorithm requires a lock. Try LOCK=SHARED.
ALTER TABLE t1 ADD INDEX i5(b), ALGORITHM= COPY, LOCK= SHARED;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 1
Warnings:
Warning 1831 Duplicate index 'i5' defined on the table 'test.t1'. 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:
Warning 1831 Duplicate index 'i6' defined on the table 'test.t1'. 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;
ERROR 0A000: LOCK=NONE is not supported. Reason: COPY algorithm requires a lock. Try LOCK=SHARED.
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);
# Connection con1
# 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
# 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
ALTER TABLE tm1;
affected rows: 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: 1
Warnings:
Warning 124 InnoDB rebuilding table to add column FTS_DOC_ID
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
ALTER TABLE ti1 MODIFY COLUMN c INT NOT NULL;
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
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;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
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;
#
# Bug#11815557 60269: MYSQL SHOULD REJECT ATTEMPTS TO CREATE SYSTEM
# TABLES IN INCORRECT ENGINE
#
# Note: This test assumes that only MyISAM and InnoDB supports system tables.
# If other engines are made to support system tables,
# then this test needs to be updated
#
use mysql;
ALTER TABLE db ENGINE=innodb;
ERROR HY000: Storage engine 'InnoDB' does not support system tables. [mysql.db]
ALTER TABLE user ENGINE=memory;
ERROR HY000: Storage engine 'MEMORY' does not support system tables. [mysql.user]
ALTER TABLE proc ENGINE=heap;
ERROR HY000: Storage engine 'MEMORY' does not support system tables. [mysql.proc]
ALTER TABLE func ENGINE=csv;
ERROR HY000: Storage engine 'CSV' does not support system tables. [mysql.func]
ALTER TABLE event ENGINE=merge;
ERROR HY000: Storage engine 'MRG_MYISAM' does not support system tables. [mysql.event]
ALTER TABLE servers ENGINE=merge;
ERROR HY000: Storage engine 'MRG_MYISAM' does not support system tables. [mysql.servers]
ALTER TABLE procs_priv ENGINE=memory;
ERROR HY000: Storage engine 'MEMORY' does not support system tables. [mysql.procs_priv]
ALTER TABLE tables_priv ENGINE=heap;
ERROR HY000: Storage engine 'MEMORY' does not support system tables. [mysql.tables_priv]
ALTER TABLE columns_priv ENGINE=csv;
ERROR HY000: Storage engine 'CSV' does not support system tables. [mysql.columns_priv]
ALTER TABLE time_zone ENGINE=merge;
ERROR HY000: Storage engine 'MRG_MYISAM' does not support system tables. [mysql.time_zone]
ALTER TABLE help_topic ENGINE=merge;
ERROR HY000: Storage engine 'MRG_MYISAM' does not support system tables. [mysql.help_topic]
CREATE TABLE db (dummy int) ENGINE=innodb;
ERROR HY000: Storage engine 'InnoDB' does not support system tables. [mysql.db]
CREATE TABLE user (dummy int) ENGINE=memory;
ERROR HY000: Storage engine 'MEMORY' does not support system tables. [mysql.user]
CREATE TABLE proc (dummy int) ENGINE=heap;
ERROR HY000: Storage engine 'MEMORY' does not support system tables. [mysql.proc]
CREATE TABLE func (dummy int) ENGINE=csv;
ERROR HY000: Storage engine 'CSV' does not support system tables. [mysql.func]
CREATE TABLE event (dummy int) ENGINE=merge;
ERROR HY000: Storage engine 'MRG_MYISAM' does not support system tables. [mysql.event]
CREATE TABLE servers (dummy int) ENGINE=merge;
ERROR HY000: Storage engine 'MRG_MYISAM' does not support system tables. [mysql.servers]
CREATE TABLE procs_priv (dummy int) ENGINE=memory;
ERROR HY000: Storage engine 'MEMORY' does not support system tables. [mysql.procs_priv]
CREATE TABLE tables_priv (dummy int) ENGINE=heap;
ERROR HY000: Storage engine 'MEMORY' does not support system tables. [mysql.tables_priv]
CREATE TABLE columns_priv (dummy int) ENGINE=csv;
ERROR HY000: Storage engine 'CSV' does not support system tables. [mysql.columns_priv]
CREATE TABLE time_zone (dummy int) ENGINE=merge;
ERROR HY000: Storage engine 'MRG_MYISAM' does not support system tables. [mysql.time_zone]
CREATE TABLE help_topic (dummy int) ENGINE=merge;
ERROR HY000: Storage engine 'MRG_MYISAM' does not support system tables. [mysql.help_topic]
use test;
# End of Bug#11815557
#
# Tests for WL#6555 "Online 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
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
# 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'
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
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
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
# 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
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
# 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
# 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 MySQL 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
# Even using 'funny' syntax.
alter table t1 rename key t1.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
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 MySQL 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
alter table t1 rename key c to t1.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
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
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
# 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
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
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
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
# 2.c) Check that this clause properly works even in case
# when it is mixed with clauses affecting columns in
# the key renamed.
alter table t2 rename key c to cc, modify column c bigint not null first;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`c` bigint(20) NOT NULL,
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
KEY `kk` (`b`),
KEY `cc` (`c`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
# Create multi-component key for next example.
alter table t2 add unique u (a, b, c);
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`c` bigint(20) NOT NULL,
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
UNIQUE KEY `u` (`a`,`b`,`c`),
KEY `kk` (`b`),
KEY `cc` (`c`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t2 rename key u to uu, drop column b;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`c` bigint(20) NOT NULL,
`a` int(11) DEFAULT NULL,
UNIQUE KEY `uu` (`a`,`c`),
KEY `cc` (`c`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
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
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT NULL,
KEY `kk` (`i`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
# 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
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT NULL,
KEY `kkk` (`i`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
# 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
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT NULL,
KEY `kkkk` (`i`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
# 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
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT '100',
KEY `k` (`i`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
# 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
# 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
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
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
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;
#
# The below ALTER TABLE statement should either drop and recreate key
# under new name, or simply rename it. It should not bring .FRM and
# InnoDB data-dictionary out of sync thus causing asserts.
#
create table t1 (i int, key x(i)) engine=InnoDB;
alter table t1 drop key x, add key X(i), alter column i set default 10;
drop table t1;
#
# Coverage for changes to ALTER TABLE ... IMPORT/DISCARD TABLESPACE
# code introduced by WL#6671 "Improve scalability by not using
# thr_lock.c locks for InnoDB tables".
#
# Check that ALTER TABLE ... IMPORT/DISCARD TABLESPACE acquires X
# metadata lock on the table even when executed under LOCK TABLES.
#
# Suppress error messages which will be generated by IMPORT TABLESPACE
call mtr.add_suppression("InnoDB: Trying to import a tablespace, but could not open the tablespace file");
call mtr.add_suppression("InnoDB: Operating system error number 2 in a file operation.");
call mtr.add_suppression("InnoDB: The error means the system cannot find the path specified.");
CREATE TABLE t1 (i INT) ENGINE=InnoDB;
#
# 1) Check that ALTER TABLE ... IMPORT/DISCARD TABLESPACE on
# base table acquire X lock (when not under LOCK TABLES).
#
connect con1, localhost, root;
# Acquire S lock on table 't1'.
HANDLER t1 OPEN;
connect con2, localhost, root;
# Sending:
ALTER TABLE t1 DISCARD TABLESPACE;
connection default;
# Wait until ALTER TABLE is blocked since it tries to acquire X lock.
connection con1;
# Unblock ALTER TABLE DISCARD
HANDLER t1 CLOSE;
connection con2;
# Reaping ALTER TABLE DISCARD
connection con1;
# Acquire S lock on table 't1'.
HANDLER t1 OPEN;
connection con2;
# Sending:
ALTER TABLE t1 IMPORT TABLESPACE;
connection default;
# Wait until ALTER TABLE is blocked since it tries to acquire X lock.
connection con1;
# Unblock ALTER TABLE IMPORT
HANDLER t1 CLOSE;
connection con2;
# Reaping ALTER TABLE IMPORT
# It should fail as no tablespace was copied after DISCARD.
ERROR HY000: Tablespace is missing for table `test`.`t1`.
connection default;
DROP TABLE t1;
#
# 2) ALTER TABLE ... IMPORT/DISCARD TABLESPACE on temporary table
# should not try to acquire X metadata lock on base table.
#
CREATE TABLE t1 (i INT) ENGINE=InnoDB;
connection con1;
# Acquire S lock on table 't1'.
HANDLER t1 OPEN;
connection con2;
CREATE TEMPORARY TABLE t1 (j INT) ENGINE=InnoDB;
# Both DISCARD and IMPORT on temporary table should fail without
# acquiring any locks and blocking.
ALTER TABLE t1 DISCARD TABLESPACE;
ERROR HY000: Cannot DISCARD/IMPORT tablespace associated with temporary table
ALTER TABLE t1 IMPORT TABLESPACE;
ERROR HY000: Cannot DISCARD/IMPORT tablespace associated with temporary table
DROP TEMPORARY TABLE t1;
#
# 3) Check that ALTER TABLE ... IMPORT/DISCARD TABLESPACE on
# base table under LOCK TABLES acquire X lock.
#
connection con2;
LOCK TABLES t1 WRITE;
# Sending:
ALTER TABLE t1 DISCARD TABLESPACE;
connection default;
# Wait until ALTER TABLE is blocked since it tries to acquire X lock.
connection con1;
# Unblock ALTER TABLE DISCARD
HANDLER t1 CLOSE;
connection con2;
# Reaping ALTER TABLE DISCARD
connection con1;
# Acquire S lock on table 't1'.
HANDLER t1 OPEN;
connection con2;
# Sending:
ALTER TABLE t1 IMPORT TABLESPACE;
connection default;
# Wait until ALTER TABLE is blocked since it tries to acquire X lock.
connection con1;
# Unblock ALTER TABLE IMPORT
HANDLER t1 CLOSE;
connection con2;
# Reaping ALTER TABLE IMPORT
# It should fail as no tablespace was copied after DISCARD.
ERROR HY000: Tablespace is missing for table `test`.`t1`.
UNLOCK TABLES;
connection default;
DROP TABLE t1;
#
# 4) Under LOCK TABLES, ALTER TABLE ... IMPORT/DISCARD TABLESPACE on
# temporary table should not try to acquire X metadata lock on base
# table.
#
CREATE TABLE t1 (i INT) ENGINE=InnoDB;
connection con1;
# Acquire S lock on table 't1'.
HANDLER t1 OPEN;
connection con2;
CREATE TEMPORARY TABLE t1 (j INT) ENGINE=InnoDB;
LOCK TABLES t1 WRITE;
# Both DISCARD and IMPORT on temporary table should fail without
# acquiring any locks and blocking.
ALTER TABLE t1 DISCARD TABLESPACE;
ERROR HY000: Cannot DISCARD/IMPORT tablespace associated with temporary table
ALTER TABLE t1 IMPORT TABLESPACE;
ERROR HY000: Cannot DISCARD/IMPORT tablespace associated with temporary table
UNLOCK TABLES;
DROP TEMPORARY TABLE t1;
connection con1;
HANDLER t1 CLOSE;
#
# Clean-up.
#
disconnect con1;
disconnect con2;
connection default;
DROP TABLE t1;
SET sql_mode = default;
#
# BUG 19779365: INDEX COMMENT IN ADD INDEX IS IGNORED.
#
# After the patch, the alter table reflects the new
# index comment or the lack of comment for the indexes.
CREATE TABLE t1(fld1 int, key key1(fld1));
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1) COMMENT 'test';
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE test
DROP TABLE t1;
CREATE TABLE t1(fld1 int, key key1(fld1) COMMENT 'test');
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE test
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1);
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE
DROP TABLE t1;
CREATE TABLE t1(fld1 int, key key1(fld1) COMMENT 'test');
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE test
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1) COMMENT 'success';
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE success
DROP TABLE t1;
CREATE TABLE t1(fld1 int, key key1(fld1) COMMENT 'old comment');
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE old comment
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1) COMMENT 'new comment';
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE new comment
DROP TABLE t1;
#
# Bug#19635706
# Verify that it is possible to add a unique key to a not-NULL POINT
# column and that this key is promoted to primary key
#
CREATE TABLE t1(a INT NOT NULL, b POINT NOT NULL) ENGINE=INNODB;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` point NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
ALTER TABLE t1 ADD UNIQUE INDEX (b);
# Note that SHOW CREATE TABLE does not list b as a primary key,
# even though it was promoted. This appears to be the case also
# for other column types.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` point NOT NULL,
UNIQUE KEY `b` (`b`(25))
) ENGINE=InnoDB DEFAULT CHARSET=latin1
ALTER TABLE t1 ADD UNIQUE INDEX (a);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` point NOT NULL,
UNIQUE KEY `b` (`b`(25)),
UNIQUE KEY `a` (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
# Verify that the expected indices have been created by Innodb
SELECT T.NAME AS TABLE_NAME, I.NAME AS INDEX_NAME,
CASE I.TYPE
WHEN 0 THEN 'Secondary'
WHEN 1 THEN 'Clustered'
WHEN 2 THEN 'Unique'
WHEN 3 THEN 'Primary'
WHEN 32 THEN 'Full text'
WHEN 64 THEN 'Spatial'
ELSE 'Unknown'
END AS INDEX_TYPE,
F.NAME AS FIELD_NAME, F.POS AS FIELD_POS FROM
INFORMATION_SCHEMA.INNODB_SYS_TABLES AS T JOIN
INFORMATION_SCHEMA.INNODB_SYS_INDEXES AS I JOIN
INFORMATION_SCHEMA.INNODB_SYS_FIELDS AS F
ON I.INDEX_ID = F.INDEX_ID AND I.TABLE_ID = T.TABLE_ID
WHERE T.NAME = 'test/t1';
TABLE_NAME INDEX_NAME INDEX_TYPE FIELD_NAME FIELD_POS
test/t1 b Primary b 0
test/t1 a Unique a 0
DROP TABLE t1;
#
# BUG#16886196 - ALTER TABLE FAILS TO CONVERT TO PREFIX INDEX IN
# ALTER_COLUMN_EQUAL_PACK_LENGTH
SET @orig_sql_mode = @@sql_mode;
SET sql_mode= '';
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
# Test with '767' as index size limit.
SET GLOBAL innodb_large_prefix=OFF;
Warnings:
Warning 131 Using innodb_large_prefix is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
CREATE TABLE t1(fld1 VARCHAR(767), KEY a(fld1)) ENGINE= INNODB;
INSERT INTO t1 VALUES('a');
ALTER TABLE t1 CHANGE fld1 fld1 VARCHAR(768), ALGORITHM= INPLACE;
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
# Without patch, the below statement will assert in a debug build.
SELECT COUNT(*) FROM t1 WHERE fld1= 'a';
COUNT(*)
1
# Cleanup.
DROP TABLE t1;
SET GLOBAL innodb_large_prefix=default;
Warnings:
Warning 131 Using innodb_large_prefix is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
# Test with innodb large prefix indexes(Upto 3072).
CREATE TABLE t1(fld1 VARCHAR(3072), KEY a(fld1)) ENGINE= INNODB
ROW_FORMAT= DYNAMIC;
INSERT INTO t1 VALUES('a');
ALTER TABLE t1 CHANGE fld1 fld1 VARCHAR(3073), ALGORITHM= INPLACE;
Warnings:
Warning 1071 Specified key was too long; max key length is 3072 bytes
# Without patch, the below statement will assert in a debug build.
SELECT COUNT(*) FROM t1 WHERE fld1= 'a';
COUNT(*)
1
# Cleanup.
DROP TABLE t1;
SET sql_mode= @orig_sql_mode;
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
# BUG#17246318 - ALTER TABLE SHOULD NOT ALLOW CREATION OF TABLES
# WITH BOTH 5.5 AND 5.6 TEMPORALS
#
# BUG 18985760 -"FAST" ALTER TABLE CHANGE ON ENUM COLUMN
# TRIGGERS FULL TABLE REBUILD.
# Test for the case where 'avoid_temporal_upgrade' is set
# to the DEFAULT value(OFF).
ALTER TABLE t1 ENGINE= INNODB;
#ALTER operations using INPLACE algorithm is disallowed
#since the table contains old temporal type.
ALTER TABLE t1 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111',
ALGORITHM= INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
ALTER TABLE t1 ADD COLUMN fld4 TIMESTAMP FIRST, ALGORITHM= INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
ALTER TABLE t1 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111' AFTER f_timestamp,
ALGORITHM= INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
ALTER TABLE t1 CHANGE COLUMN f_time fld4 TIMESTAMP, ALGORITHM= INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
ALTER TABLE t1 MODIFY f_datetime TIME, ALGORITHM= INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
ALTER TABLE t1 ADD INDEX index1(f_datetime), ALGORITHM= INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
#ALTER operations using COPY algorithm is allowed
#when the table contains old temporal type.
#Note: Timestamp encoding remains the same for the non-fractional part
#even in the 5.6 format. Hence there is no change in the display before
#and after upgrade.
#ADD COLUMN upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111', ALGORITHM= COPY;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#ADD COLUMN FIRST upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP FIRST, ALGORITHM= COPY;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#ADD COLUMN AFTER upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111' AFTER f_timestamp,
ALGORITHM= COPY;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#CHANGE COLUMN upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 CHANGE COLUMN f_timestamp fld4 TIMESTAMP, ALGORITHM= COPY;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, fld4, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(fld4)) FROM t2;
f_time f_datetime fld4 HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(fld4))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#MODIFY COLUMN upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 MODIFY f_timestamp TIME, ALGORITHM= COPY;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 22:22:22 816596 998AAB6596 816596
DROP TABLE t2;
#ADD INDEX upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD INDEX index1(f_timestamp), ALGORITHM= COPY;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#ALTER operations using DEFAULT algorithm is allowed
#when the table contains old temporal type.
#ADD COLUMN upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111', ALGORITHM= DEFAULT;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#ADD COLUMN FIRST upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP FIRST, ALGORITHM= DEFAULT;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#ADD COLUMN AFTER upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111' AFTER f_timestamp,
ALGORITHM= DEFAULT;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#CHANGE COLUMN upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 CHANGE COLUMN f_timestamp fld4 DATETIME, ALGORITHM= DEFAULT;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, fld4, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(fld4)) FROM t2;
f_time f_datetime fld4 HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(fld4))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 998AAB6596
DROP TABLE t2;
#MODIFY COLUMN upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 MODIFY f_timestamp TIME, ALGORITHM= DEFAULT;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 22:22:22 816596 998AAB6596 816596
DROP TABLE t2;
#ADD INDEX upgrades the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD INDEX index1(f_timestamp), ALGORITHM= DEFAULT;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#ALTER TABLE FORCE upgrades the old temporal types.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 FORCE;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 816596 998AAB6596 4ECAA4EE
DROP TABLE t2;
#Examples where the NOT NULL/NULL FLAG and DEFAULT values are retained
#after upgrade.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
#Before upgrade.
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`f_time` time DEFAULT NULL,
`f_timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`f_datetime` datetime DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111', ALGORITHM= COPY;
Warnings:
Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format.
#After upgrade.
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`f_time` time DEFAULT NULL,
`f_timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`f_datetime` datetime DEFAULT NULL,
`fld4` timestamp NOT NULL DEFAULT '2020-12-11 11:01:00'
) ENGINE=InnoDB DEFAULT CHARSET=latin1
#Examples of the Alter operation which does not upgrade
#the temporal formats.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t1;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
10:10:10 2010-10-10 10:10:10 2031-11-21 17:11:01 818A92 0000124821911312 7468F975
00:00:00 2000-01-01 01:01:01 2001-01-21 18:11:01 800000 00001230A2EA8AB5 3A6AFC05
01:01:10 2020-01-01 01:01:01 1980-11-21 18:06:01 80277E 0000125F33D85AB5 147BF1D9
NULL 2000-01-01 01:01:01 2015-11-21 17:11:01 NULL 00001230A2EA8AB5 56507B75
00:00:00 NULL 2011-11-21 17:11:01 800000 NULL 4ECA5BF5
ALTER TABLE t1 DROP COLUMN f_timestamp;
SELECT f_time, f_datetime, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)) FROM t1;
f_time f_datetime HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime))
10:10:10 2010-10-10 10:10:10 818A92 0000124821911312
00:00:00 2000-01-01 01:01:01 800000 00001230A2EA8AB5
01:01:10 2020-01-01 01:01:01 80277E 0000125F33D85AB5
NULL 2000-01-01 01:01:01 NULL 00001230A2EA8AB5
00:00:00 NULL 800000 NULL
RENAME TABLE t1 to t3;
SELECT f_time, f_datetime, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)) FROM t3;
f_time f_datetime HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime))
10:10:10 2010-10-10 10:10:10 818A92 0000124821911312
00:00:00 2000-01-01 01:01:01 800000 00001230A2EA8AB5
01:01:10 2020-01-01 01:01:01 80277E 0000125F33D85AB5
NULL 2000-01-01 01:01:01 NULL 00001230A2EA8AB5
00:00:00 NULL 800000 NULL
#Once the old temporal type is upgraded to new temporal type,
#ADD/CHANGE COLUMN, ADD INDEX operations succeed using INPLACE
#ALGORITHM.
ALTER TABLE t2 ADD COLUMN fld5 INT, ALGORITHM= INPLACE;
ALTER TABLE t2 ADD INDEX index2(fld5), ALGORITHM= INPLACE;
ALTER TABLE t2 CHANGE fld5 fld6 INT, ALGORITHM= INPLACE;
ALTER TABLE t2 MODIFY fld6 INT, ALGORITHM= INPLACE;
#Cleanup
DROP TABLE t2, t3;
#
# BUG 18985760 -"FAST" ALTER TABLE CHANGE ON ENUM COLUMN
# TRIGGERS FULL TABLE REBUILD.
#
# To support INPLACE ALTER table operations later in the test.
ALTER TABLE t1 ENGINE= INNODB;
#Test cases with the global variable 'avoid_temporal_upgrade'
#enabled.
SET @save_avoid_temporal_upgrade= @@global.avoid_temporal_upgrade;
Warnings:
Warning 1287 '@@avoid_temporal_upgrade' is deprecated and will be removed in a future release.
SET GLOBAL avoid_temporal_upgrade= ON;
Warnings:
Warning 1287 '@@avoid_temporal_upgrade' is deprecated and will be removed in a future release.
#ALTER operations using INPLACE algorithm are allowed
#when the table contains old temporal type since
#the global variable 'avoid_temporal_upgrade' is
#enabled. The old temporal types are not upgraded.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111', ALGORITHM= INPLACE;
SELECT f_time, f_datetime, f_timestamp, fld4, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)),
HEX(WEIGHT_STRING(fld4)) FROM t2;
f_time f_datetime f_timestamp fld4 HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp)) HEX(WEIGHT_STRING(fld4))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 2020-12-11 11:01:00 83640E 0000124A7C3C8A4E 4ECAA4EE 5FD3273C
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld5 TIME DEFAULT '101010' FIRST, ALGORITHM= INPLACE;
SELECT f_time, f_datetime, f_timestamp, fld5, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)),
HEX(WEIGHT_STRING(fld5)) FROM t2;
f_time f_datetime f_timestamp fld5 HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp)) HEX(WEIGHT_STRING(fld5))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 10:10:10 83640E 0000124A7C3C8A4E 4ECAA4EE 80A28A
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld6 TIMESTAMP DEFAULT '201211111' AFTER f_timestamp,
ALGORITHM= INPLACE;
SELECT f_time, f_datetime, f_timestamp, fld6, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)),
HEX(WEIGHT_STRING(fld6)) FROM t2;
f_time f_datetime f_timestamp fld6 HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp)) HEX(WEIGHT_STRING(fld6))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 2020-12-11 11:01:00 83640E 0000124A7C3C8A4E 4ECAA4EE 5FD3273C
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD INDEX index1(f_datetime), ALGORITHM= INPLACE;
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
DROP TABLE t2;
#ALTER operations using COPY algorithm are allowed
#when the table contains old temporal type and
#does not upgrade the old temporal types.
#ADD COLUMN does not upgrade the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111', ALGORITHM= COPY;
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
#ADD COLUMN FIRST does not upgrade the old temporal type.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld5 TIMESTAMP FIRST, ALGORITHM= COPY;
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
#ADD COLUMN AFTER does not upgrade the old temporal type.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld6 TIMESTAMP DEFAULT '201211111' AFTER f_timestamp,
ALGORITHM= COPY;
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
#CHANGE COLUMN upgrades the old temporal type only for the column which
#is changed.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 CHANGE COLUMN f_datetime fld7 DATETIME, ALGORITHM= COPY;
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 4ECAA4EE
#MODIFY COLUMN upgrades the old temporal type only for the column
#modified.
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 4ECAA4EE
ALTER TABLE t2 MODIFY f_timestamp DATETIME, ALGORITHM= COPY;
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 998AAB6596
#ADD INDEX does not upgrade the old temporal type.
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 998AAB6596
ALTER TABLE t2 ADD INDEX index1(f_time), ALGORITHM= COPY;
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 998AAB6596
DROP TABLE t2;
#ALTER operations using DEFAULT algorithm are allowed
#when the table contains old temporal type and does not
#upgrade the old temporal types.
#ADD COLUMN does not upgrade the old temporal type.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld4 TIMESTAMP DEFAULT '201211111', ALGORITHM= DEFAULT;
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
#ADD COLUMN FIRST does not upgrade the old temporal type.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld5 TIMESTAMP FIRST, ALGORITHM= DEFAULT;
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
#ADD COLUMN AFTER does not upgrade the old temporal type.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 ADD COLUMN fld6 TIMESTAMP DEFAULT '201211111' AFTER f_timestamp,
ALGORITHM= DEFAULT;
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
#CHANGE COLUMN upgrades the old temporal type only for the column which
#is changed.
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 CHANGE COLUMN f_datetime fld7 DATETIME, ALGORITHM= DEFAULT;
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 4ECAA4EE
#MODIFY COLUMN upgrades the old temporal type only for the column
#modified.
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 4ECAA4EE
ALTER TABLE t2 MODIFY f_timestamp DATETIME, ALGORITHM= DEFAULT;
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 998AAB6596
#ADD INDEX does not upgrade the old temporal type.
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 998AAB6596
ALTER TABLE t2 ADD INDEX index1(f_time), ALGORITHM= DEFAULT;
SELECT f_time, fld7, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(fld7)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time fld7 f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(fld7)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 998AAB6596 998AAB6596
DROP TABLE t2;
#ALTER TABLE FORCE does not upgrade the old temporal types.
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES ('22:22:22','2011-11-21 22:22:22','2011-11-21 22:22:22');
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
ALTER TABLE t2 FORCE;
SELECT f_time, f_datetime, f_timestamp, HEX(WEIGHT_STRING(f_time)),
HEX(WEIGHT_STRING(f_datetime)), HEX(WEIGHT_STRING(f_timestamp)) FROM t2;
f_time f_datetime f_timestamp HEX(WEIGHT_STRING(f_time)) HEX(WEIGHT_STRING(f_datetime)) HEX(WEIGHT_STRING(f_timestamp))
22:22:22 2011-11-21 22:22:22 2011-11-21 22:22:22 83640E 0000124A7C3C8A4E 4ECAA4EE
DROP TABLE t2;
SET @@global.avoid_temporal_upgrade= @save_avoid_temporal_upgrade;
Warnings:
Warning 1287 '@@avoid_temporal_upgrade' is deprecated and will be removed in a future release.
#Test cases with the session variable 'show_old_temporals'
#enabled.
#Setup
CREATE TABLE t2(fld1 time, fld2 datetime, fld3 timestamp);
SET @save_show_old_temporals= @@session.show_old_temporals;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
SET SESSION show_old_temporals= ON;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
#Displays a comment to indicate that the columns are of 5.5
#binary format
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f_time` time /* 5.5 binary format */ DEFAULT NULL,
`f_timestamp` timestamp /* 5.5 binary format */ NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`f_datetime` datetime /* 5.5 binary format */ DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
SELECT COLUMN_TYPE FROM information_schema.columns WHERE table_name='t1';
COLUMN_TYPE
time /* 5.5 binary format */
timestamp /* 5.5 binary format */
datetime /* 5.5 binary format */
#Since the temporal types are in new format, no comment is
#displayed
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`fld1` time DEFAULT NULL,
`fld2` datetime DEFAULT NULL,
`fld3` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=MyISAM DEFAULT CHARSET=latin1
SELECT COLUMN_TYPE FROM information_schema.columns WHERE table_name='t2';
COLUMN_TYPE
time
datetime
timestamp
#Does not display the comment for table with old temporal types
#since the session variable 'show_old_temporals' is OFF.
SET SESSION show_old_temporals= OFF;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f_time` time DEFAULT NULL,
`f_timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`f_datetime` datetime DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
SELECT COLUMN_TYPE FROM information_schema.columns WHERE table_name='t1';
COLUMN_TYPE
time
timestamp
datetime
#Cleanup
SET @@session.show_old_temporals= @save_show_old_temporals;
Warnings:
Warning 1287 '@@show_old_temporals' is deprecated and will be removed in a future release.
DROP TABLE t1, t2;
#
#BUG#20106553: ALTER TABLE WHICH CHANGES INDEX COMMENT IS NOT
# LONGER INPLACE/FAST OPERATION.
#Without the patch, the ALTER TABLE to change the index
#comment using INPLACE algorithm reports an error.
CREATE TABLE t1(fld1 int, key key1(fld1)) ENGINE= INNODB;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1) COMMENT 'test',
ALGORITHM= INPLACE;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE test
DROP TABLE t1;
CREATE TABLE t1(fld1 int, key key1(fld1) COMMENT 'test') ENGINE= MyISAM;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE test
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1), ALGORITHM=INPLACE;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE
DROP TABLE t1;
CREATE TABLE t1(fld1 int, key key1(fld1) COMMENT 'test') ENGINE= INNODB;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE test
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1) COMMENT 'success',
ALGORITHM= INPLACE;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE success
DROP TABLE t1;
CREATE TABLE t1(fld1 int, key key1(fld1) COMMENT 'old comment') ENGINE=MyISAM;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE old comment
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1) COMMENT 'new comment',
ALGORITHM= INPLACE;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A NULL NULL NULL YES BTREE new comment
DROP TABLE t1;
#Test cases with merge threshold specified in the index comment.
CREATE TABLE t1(fld1 int, key key1(fld1)) ENGINE=INNODB;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE
SELECT MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE NAME='key1';
MERGE_THRESHOLD
50
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1) COMMENT
'MERGE_THRESHOLD=45';
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE MERGE_THRESHOLD=45
SELECT MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE NAME='key1';
MERGE_THRESHOLD
45
DROP TABLE t1;
CREATE TABLE t1(fld1 int, key key1(fld1) COMMENT 'MERGE_THRESHOLD=40')
ENGINE=INNODB;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE MERGE_THRESHOLD=40
SELECT MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE NAME='key1';
MERGE_THRESHOLD
40
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1);
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE
SELECT MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE NAME='key1';
MERGE_THRESHOLD
50
DROP TABLE t1;
CREATE TABLE t1(fld1 int, key key1(fld1) COMMENT 'MERGE_THRESHOLD=40')
ENGINE=INNODB;
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE MERGE_THRESHOLD=40
SELECT MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE NAME='key1';
MERGE_THRESHOLD
40
ALTER TABLE t1 DROP INDEX key1, ADD INDEX key1(fld1) COMMENT
'MERGE_THRESHOLD=45';
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 key1 1 fld1 A 0 NULL NULL YES BTREE MERGE_THRESHOLD=45
SELECT MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE NAME='key1';
MERGE_THRESHOLD
45
DROP TABLE t1;
#
# Bug#20748660 THD->MDL_CONTEXT.OWNS_EQUAL_OR_STRONGER_LOCK | CREATE_INFO->TABLESPACE
#
# A failing DISCARD/IMPORT TABLESPACE may leave the flag THD::tablespace_op
# in an incorrect state, causing a succeeding statement to fail.
# Create a tablespace with a table.
CREATE TABLESPACE s ADD DATAFILE 's.ibd' ENGINE InnoDB;
CREATE TABLE t (i int) TABLESPACE s ENGINE InnoDB;
# The following statent will fail because the table is not partitioned.
# Without the fix, the THD::tablespace_op flag will be left set.
ALTER TABLE t DISCARD PARTITION p TABLESPACE;
ERROR HY000: Partition management on a not partitioned table is not possible
# Without the patch, this statement will inherit the tablespace_op flag
# from the previous statement, causing the statement below to fail due
# to not acquiring the required MDL lock.
ALTER TABLE t TABLESPACE s;
# Drop table and tablespace.
DROP TABLE t;
DROP TABLESPACE s ENGINE InnoDB;
#
# BUG#20106837: ALTER TABLE WHICH DROPS AND ADDS THE SAME FULLTEXT
# INDEX IS NOT INPLACE/FAST.
CREATE TABLE t1(fld1 varchar(200), FULLTEXT(fld1)) ENGINE=MyISAM;
INSERT INTO t1 VALUES('ABCD');
#Without patch, it was not fast a INPLACE ALTER.
ALTER TABLE t1 DROP INDEX fld1, ADD FULLTEXT INDEX fld1(fld1);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
#Without patch, reports an error 'ER_ALTER_OPERATION_NOT_SUPPORTED'.
ALTER TABLE t1 ALGORITHM=INPLACE, DROP INDEX fld1,
ADD FULLTEXT INDEX fld1(fld1);
DROP TABLE t1;
#Test with InnoDB engine.
CREATE TABLE t1(fld1 varchar(200), FULLTEXT(fld1)) ENGINE=INNODB;
INSERT INTO t1 VALUES('ABCD');
#Without patch, it was not fast a INPLACE ALTER.
ALTER TABLE t1 DROP INDEX fld1, ADD FULLTEXT INDEX fld1(fld1);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
#Without patch, reports an error 'ER_ALTER_OPERATION_NOT_SUPPORTED'.
ALTER TABLE t1 ALGORITHM=INPLACE, DROP INDEX fld1,
ADD FULLTEXT INDEX fld1(fld1);
DROP TABLE t1;
#
# Bug#20146455: FIND_KEY_CI RETURNS NULL, CAUSES CRASH IN
# FILL_ALTER_INPLACE_INFO
#
CREATE TABLE t1 (a INT PRIMARY KEY, b INT,
FOREIGN KEY (b) REFERENCES t1(a)) ENGINE= MyISAM;
ALTER TABLE t1 RENAME INDEX b TO w, ADD FOREIGN KEY (b) REFERENCES t1(a);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `w` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (a INT PRIMARY KEY, b INT,
FOREIGN KEY (b) REFERENCES t1(a)) ENGINE= InnoDB;
ALTER TABLE t1 RENAME INDEX b TO w, ADD FOREIGN KEY (b) REFERENCES t1(a);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `w` (`b`),
CONSTRAINT `t1_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`a`),
CONSTRAINT `t1_ibfk_2` FOREIGN KEY (`b`) REFERENCES `t1` (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TABLE t1;
#
# Bug#22017616: ASSERTION FAILED: TABLE_SHARE->IS_MISSING_PRIMARY_KEY()
# == M_PREBUILT->CLUST_IND
#
# Ensure that adding indexes with virtual columns are not promoted to
# primary keys
#
# Base line with normal column - should be promoted
CREATE TABLE t0(a INT NOT NULL) ENGINE=INNODB;
ALTER TABLE t0 ADD UNIQUE INDEX (a);
# Case a: Create table with virtual unique not null column
CREATE TABLE t1(a POINT GENERATED ALWAYS AS (POINT(1,1)) VIRTUAL UNIQUE NOT NULL) ENGINE=INNODB;
SELECT * FROM t1;
a
# Case b: Create table with index on virtual point column
CREATE TABLE t2(a POINT GENERATED ALWAYS AS (POINT(1,1)) VIRTUAL NOT NULL, UNIQUE INDEX no_pk(a(1))) ENGINE=INNODB;
SELECT * FROM t2;
a
# Case c: Add unique index on virtual point column
CREATE TABLE t3(a POINT GENERATED ALWAYS AS (POINT(1,1)) VIRTUAL NOT NULL)
ENGINE=INNODB;
ALTER TABLE t3 ADD UNIQUE INDEX (a(1));
SELECT * FROM t3;
a
# Case d: Add unique index on virtual blob column
CREATE TABLE t4 (a BLOB, b BLOB GENERATED ALWAYS AS (a) VIRTUAL NOT NULL) ENGINE=INNODB;
ALTER TABLE t4 ADD UNIQUE INDEX (b(1));
SELECT * FROM t4;
a b
# Query I_S to verify that 'a' is promoted to pk only when it
# isn't virtual
SELECT T.NAME AS TABLE_NAME, I.NAME AS INDEX_NAME,
CASE (I.TYPE & 3)
WHEN 3 THEN "yes"
ELSE "no" END AS IS_PRIMARY_KEY,
F.NAME AS FIELD_NAME, F.POS AS FIELD_POS FROM
INFORMATION_SCHEMA.INNODB_SYS_TABLES AS T JOIN
INFORMATION_SCHEMA.INNODB_SYS_INDEXES AS I JOIN
INFORMATION_SCHEMA.INNODB_SYS_FIELDS AS F
ON I.INDEX_ID = F.INDEX_ID AND I.TABLE_ID = T.TABLE_ID
WHERE T.NAME LIKE 'test/%';
TABLE_NAME INDEX_NAME IS_PRIMARY_KEY FIELD_NAME FIELD_POS
test/t0 a yes a 0
test/t1 a no a 0
test/t2 no_pk no a 0
test/t3 a no a 0
test/t4 b no b 0
DROP TABLE t0;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
#
# Bug#21345391: ALTER TABLE ... CONVERT TO CHARACTER SET NOT EFFECT
# AND REMAIN A TEMP TABLE
CREATE TABLE t1 (fld1 INT PRIMARY KEY) ENGINE = INNODB CHARACTER SET gbk;
ALTER TABLE t1 CONVERT TO CHARACTER SET UTF8, ALGORITHM = INPLACE;
# Without fix, the CHARSET SET for table remains gbk.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`fld1` int(11) NOT NULL,
PRIMARY KEY (`fld1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
# Without fix, the temporary .frm file is not cleaned up.
DROP TABLE t1;
# Test cases added for coverage.
# Reports an error for tables containing datatypes supporting
# characters.
CREATE TABLE t1 (fld1 CHAR(10) PRIMARY KEY) ENGINE = INNODB CHARACTER SET gbk;
ALTER TABLE t1 CONVERT TO CHARACTER SET UTF8, ALGORITHM = INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
DROP TABLE t1;
# ALTER TABLE, CHARACTER SET operation.
CREATE TABLE t1 (fld1 INT PRIMARY KEY, fld2 CHAR(10)) ENGINE = INNODB
CHARACTER SET gbk;
ALTER TABLE t1 CHARACTER SET UTF8, ALGORITHM = INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`fld1` int(11) NOT NULL,
`fld2` char(10) CHARACTER SET gbk DEFAULT NULL,
PRIMARY KEY (`fld1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
DROP TABLE t1;
#
# Bug#22740093: ERROR 1071 (42000): SPECIFIED KEY WAS TOO LONG
# ERROR WHILE DROPPING INDEX IN 5.7
#
CREATE TABLE t1(id INT PRIMARY KEY,
name TINYTEXT,
KEY nameloc (name(64))
) DEFAULT CHARSET=utf8mb4;
ERROR 42000: Specified key was too long; max key length is 255 bytes
CREATE TABLE t1(id INT PRIMARY KEY,
name TINYTEXT,
KEY nameloc (name(63))
) DEFAULT CHARSET=utf8mb4;
ALTER TABLE t1 FORCE;
ALTER TABLE t1 ADD INDEX idx (name(64), id);
ERROR 42000: Specified key was too long; max key length is 255 bytes
ALTER TABLE t1 ADD INDEX idx (name(63), id);
DROP TABLE t1;
CREATE TABLE t1(id INT PRIMARY KEY,
name TEXT,
KEY nameloc (name(64))
) DEFAULT CHARSET=utf8mb4;
ALTER TABLE t1 MODIFY COLUMN name TINYTEXT;
ERROR 42000: Specified key was too long; max key length is 255 bytes
DROP TABLE t1;
#
# BUG#16888677: OUT OF RANGE VALUE ACCEPTED FOR DATETIME COLUMN IN
# ALTER TABLE...ADD COLUMN
SET @saved_sql_mode = @@session.sql_mode;
# Test case with no SQL_MODE enabled.
SET SESSION sql_mode= '';
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
CREATE TABLE t1(fld1 DATE NOT NULL) ENGINE= INNODB;
INSERT INTO t1 VALUES('2000-01-01');
# No warnings or error is reported
ALTER TABLE t1 ADD COLUMN fld2 DATETIME NOT NULL, ALGORITHM=INPLACE;
ALTER TABLE t1 ADD COLUMN fld3 DATETIME NOT NULL, ALGORITHM=COPY;
DROP TABLE t1;
# Test case with strict mode enabled.
SET SESSION sql_mode= 'STRICT_ALL_TABLES';
Warnings:
Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
CREATE TABLE t1(fld1 DATE NOT NULL) ENGINE= INNODB;
INSERT INTO t1 VALUES('2000-01-01');
# No warnings or error is reported
ALTER TABLE t1 ADD COLUMN fld2 DATETIME NOT NULL, ALGORITHM=INPLACE;
ALTER TABLE t1 ADD COLUMN fld3 DATETIME NOT NULL, ALGORITHM=COPY;
DROP TABLE t1;
# Test case with 'NO_ZERO_DATE' enabled.
SET SESSION sql_mode= 'NO_ZERO_DATE';
Warnings:
Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
CREATE TABLE t1(fld1 DATE NOT NULL) ENGINE= INNODB;
INSERT INTO t1 VALUES('2000-01-01');
# Warnings are reported after patch.
ALTER TABLE t1 ADD COLUMN fld2 DATETIME NOT NULL, ALGORITHM=INPLACE;
Warnings:
Warning 1292 Incorrect datetime value: '0000-00-00 00:00:00' for column 'fld2' at row 1
ALTER TABLE t1 ADD COLUMN fld3 DATETIME NOT NULL, ALGORITHM=COPY;
Warnings:
Warning 1264 Out of range value for column 'fld2' at row 1
DROP TABLE t1;
# Test case with both 'NO_ZERO_DATE and strict mode' enabled.
SET SESSION sql_mode= @saved_sql_mode;
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
CREATE TABLE t1(fld1 DATE NOT NULL) ENGINE= INNODB;
INSERT INTO t1 VALUES('2000-01-01');
# Without patch, the following statement succeeds.
ALTER TABLE t1 ADD COLUMN fld2 DATETIME NOT NULL, ALGORITHM=INPLACE;
ERROR 22007: Incorrect datetime value: '0000-00-00 00:00:00' for column 'fld2' at row 1
ALTER TABLE t1 ADD COLUMN fld2 DATETIME NOT NULL, ALGORITHM=COPY;
ERROR 22007: Incorrect datetime value: '0000-00-00 00:00:00' for column 'fld2' at row 1
TRUNCATE TABLE t1;
# Operation below succeeds, since the table has no records.
ALTER TABLE t1 ADD COLUMN fld4 DATETIME NOT NULL, ALGORITHM=INPLACE;
DROP TABLE t1;
#
# BUG#25385334: MYSQL 5.7 ERROR WITH ALTER TABLE MODIFY SYNTAX
# AND DATETIME TYPE.
SET @saved_sql_mode = @@session.sql_mode;
# Test case with both strict mode and 'NO_ZERO_DATE' enabled.
CREATE TABLE t1 (fld1 INT, fld2 DATETIME NOT NULL) ENGINE= INNODB;
CREATE TABLE t2 (fld1 INT, fld2 POINT NOT NULL) ENGINE= INNODB;
INSERT INTO t1 VALUES(1, '2000-01-01');
INSERT INTO t2 values(1, ST_PointFromText('POINT(10 10)'));
# Without patch, the following statments report error.
ALTER TABLE t1 MODIFY fld2 DATETIME NOT NULL AFTER fld1;
ALTER TABLE t2 MODIFY fld2 POINT NOT NULL AFTER fld1;
# Without patch, the following statments report error.
ALTER TABLE t1 MODIFY fld2 DATETIME NOT NULL FIRST, ALGORITHM= COPY;
ALTER TABLE t2 MODIFY fld2 POINT NOT NULL FIRST, ALGORITHM= COPY;
# Tests added for coverage.
ALTER TABLE t1 MODIFY fld2 DATETIME NOT NULL AFTER fld1,
ADD COLUMN fld3 DATETIME NOT NULL;
ERROR 22007: Incorrect datetime value: '0000-00-00 00:00:00' for column 'fld3' at row 1
ALTER TABLE t2 MODIFY fld2 POINT NOT NULL AFTER fld1,
ADD COLUMN fld3 MULTIPOINT NOT NULL;
ERROR 22004: Invalid use of NULL value
ALTER TABLE t1 MODIFY fld2 DATETIME NOT NULL AFTER fld1,
ADD COLUMN fld3 DATETIME NOT NULL, ALGORITHM= COPY;
ERROR 22007: Incorrect datetime value: '0000-00-00 00:00:00' for column 'fld3' at row 1
ALTER TABLE t2 MODIFY fld2 POINT NOT NULL AFTER fld1,
ADD COLUMN fld3 MULTIPOINT NOT NULL, ALGORITHM= COPY;
ERROR 22004: Invalid use of NULL value
TRUNCATE TABLE t1;
TRUNCATE TABLE t2;
# Without patch, the following statments report error.
ALTER TABLE t1 MODIFY fld2 DATETIME NOT NULL AFTER fld1;
ALTER TABLE t2 MODIFY fld2 POINT NOT NULL AFTER fld1;
# Without patch, the following statments report error.
ALTER TABLE t1 MODIFY fld2 DATETIME NOT NULL FIRST, ALGORITHM= COPY;
ALTER TABLE t2 MODIFY fld2 POINT NOT NULL FIRST, ALGORITHM= COPY;
# Tests added for coverage.
ALTER TABLE t1 MODIFY fld2 DATETIME NOT NULL AFTER fld1,
ADD COLUMN fld3 DATETIME NOT NULL;
ALTER TABLE t2 MODIFY fld2 POINT NOT NULL AFTER fld1,
ADD COLUMN fld3 MULTIPOINT NOT NULL;
ALTER TABLE t1 MODIFY fld2 DATETIME NOT NULL AFTER fld1,
ADD COLUMN fld4 DATETIME NOT NULL, ALGORITHM= COPY;
ALTER TABLE t2 MODIFY fld2 POINT NOT NULL AFTER fld1,
ADD COLUMN fld4 MULTIPOINT NOT NULL, ALGORITHM= COPY;
DROP TABLE t1, t2;
# Test case when a non date column is converted to datetime column.
# Test case without any sql mode enabled.
SET SESSION sql_mode= '';
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
CREATE TABLE t1 (fld1 char(25)) ENGINE= INNODB;
INSERT INTO t1 VALUES('0000-00-00');
# No error or warning is reported.
ALTER TABLE t1 MODIFY fld1 DATETIME NOT NULL;
DROP TABLE t1;
# Test case with only 'NO_ZERO_DATE' enabled.
SET SESSION sql_mode= 'NO_ZERO_DATE';
Warnings:
Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
CREATE TABLE t1 (fld1 char(25)) ENGINE= INNODB;
INSERT INTO t1 VALUES('0000-00-00');
# Reports only a warning.
ALTER TABLE t1 MODIFY fld1 DATETIME NOT NULL;
Warnings:
Warning 1264 Out of range value for column 'fld1' at row 1
DROP TABLE t1;
SET SESSION sql_mode= 'STRICT_ALL_TABLES';
Warnings:
Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
CREATE TABLE t1 (fld1 char(25)) ENGINE= INNODB;
INSERT INTO t1 VALUES('0000-00-00');
# No error or warning is reported.
ALTER TABLE t1 MODIFY fld1 DATETIME NOT NULL;
DROP TABLE t1;
# Test case with both STRICT MODE and 'NO_ZERO_DATE' enabled.
SET SESSION sql_mode= @saved_sql_mode;
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
CREATE TABLE t1 (fld1 char(25)) ENGINE= INNODB;
INSERT INTO t1 VALUES('0000-00-00');
# Reports an error.
ALTER TABLE t1 MODIFY fld1 DATETIME NOT NULL;
ERROR 22007: Incorrect datetime value: '0000-00-00' for column 'fld1' at row 1
DROP TABLE t1;
# Test case when a NULL column is converted to NOT NULL column
CREATE TABLE t1 (fld0 DATETIME, fld1 INT, fld2 DATETIME NOT NULL) ENGINE= INNODB;
CREATE TABLE t2 (fld0 POINT, fld1 INT, fld2 POINT NOT NULL) ENGINE= INNODB;
INSERT INTO t1 VALUES('2000-01-01', 1, '2000-01-01');
INSERT INTO t2 values(ST_PointFromText('POINT(10 10)'), 1,
ST_PointFromText('POINT(10 10)'));
# Reports an error without patch.
ALTER TABLE t1 MODIFY fld0 DATETIME NOT NULL AFTER fld2;
# Reports an error without patch
ALTER TABLE t2 MODIFY fld0 POINT NOT NULL AFTER fld2;
DROP TABLE t1, t2;
# Test case demonstrating the NULL constraint check done by SE.
CREATE TABLE t1 (fld0 DATETIME, fld1 INT, fld2 DATETIME NOT NULL) ENGINE= INNODB;
CREATE TABLE t2 (fld0 POINT, fld1 INT, fld2 POINT NOT NULL) ENGINE= INNODB;
INSERT INTO t1 VALUES(NULL, 1, '2000-01-01');
INSERT INTO t2 values(NULL, 1, ST_PointFromText('POINT(10 10)'));
ALTER TABLE t1 MODIFY fld0 DATETIME NOT NULL;
ERROR 22004: Invalid use of NULL value
ALTER TABLE t2 MODIFY fld0 POINT NOT NULL;
ERROR 22004: Invalid use of NULL value
DROP TABLE t1, t2;
#
# BUG#26848813: INDEXED COLUMN CAN'T BE CHANGED FROM VARCHAR(15)
# TO VARCHAR(40) INSTANTANEOUSLY
SET @orig_sql_mode= @@sql_mode;
SET @orig_innodb_large_prefix= @@global.innodb_large_prefix;
SET GLOBAL innodb_large_prefix= ON;
Warnings:
Warning 131 Using innodb_large_prefix is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
# Tests where an error is reported under strict mode when the index
# limit exceeds the maximum supported length by SE.
CREATE TABLE t1 (fld1 VARCHAR(768), KEY(fld1)) CHARSET latin1 ENGINE =InnoDB
ROW_FORMAT= COMPACT;
ERROR 42000: Specified key was too long; max key length is 767 bytes
CREATE TABLE t2 (fld1 VARCHAR(3073), KEY(fld1)) CHARSET latin1 ENGINE= InnoDB;
ERROR 42000: Specified key was too long; max key length is 3072 bytes
# Test with innodb prefix indexes where the index limit is 767 bytes
CREATE TABLE t1 (fld1 VARCHAR(767), KEY(fld1)) CHARSET latin1 ENGINE=INNODB
ROW_FORMAT=COMPACT;
ALTER TABLE t1 MODIFY fld1 VARCHAR(768), ALGORITHM= INPLACE;
ERROR 42000: Specified key was too long; max key length is 767 bytes
ALTER TABLE t1 MODIFY fld1 VARCHAR(768), ALGORITHM= COPY;
ERROR 42000: Specified key was too long; max key length is 767 bytes
# Test with innodb prefix indexes where the index limit is 3072 bytes
CREATE TABLE t2 (fld1 VARCHAR(3072), KEY(fld1)) CHARSET latin1 ENGINE=INNODB
ROW_FORMAT=DYNAMIC;
ALTER TABLE t2 MODIFY fld1 VARCHAR(3073), ALGORITHM= INPLACE;
ERROR 42000: Specified key was too long; max key length is 3072 bytes
ALTER TABLE t2 MODIFY fld1 VARCHAR(3073), ALGORITHM= COPY;
ERROR 42000: Specified key was too long; max key length is 3072 bytes
# Tests with innodb_large_prefix disabled and strict mode.
SET GLOBAL innodb_large_prefix= OFF;
Warnings:
Warning 131 Using innodb_large_prefix is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
CREATE TABLE t3 (fld1 VARCHAR(3072), KEY(fld1)) CHARSET latin1 ENGINE= InnoDB;
ERROR 42000: Specified key was too long; max key length is 767 bytes
DROP TABLE t1, t2;
SET sql_mode= '';
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
SET GLOBAL innodb_large_prefix= ON;
Warnings:
Warning 131 Using innodb_large_prefix is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
# Test where the indexes are truncated to fit the index limit and
# a warning is reported under non-strict mode when the index exceeds
# the SE limit.
CREATE TABLE t1 (fld1 VARCHAR(768), KEY(fld1)) ENGINE= InnoDB
ROW_FORMAT=COMPACT;
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
CREATE TABLE t2 (fld1 VARCHAR(3073), KEY(fld1)) ENGINE= InnoDB;
Warnings:
Warning 1071 Specified key was too long; max key length is 3072 bytes
# Test with innodb prefix indexes where the index limit is 767 bytes.
CREATE TABLE t3 (fld1 VARCHAR(767), KEY(fld1))ENGINE=INNODB ROW_FORMAT=COMPACT;
ALTER TABLE t3 MODIFY fld1 VARCHAR(768), ALGORITHM= INPLACE;
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
ALTER TABLE t3 MODIFY fld1 VARCHAR(800), ALGORITHM= COPY;
# Test with innodb prefix indexes where the index limit is 3072 bytes.
CREATE TABLE t4 (fld1 VARCHAR(3072), KEY(fld1))ENGINE=INNODB
ROW_FORMAT=DYNAMIC;
ALTER TABLE t4 MODIFY fld1 VARCHAR(3073), ALGORITHM= INPLACE;
Warnings:
Warning 1071 Specified key was too long; max key length is 3072 bytes
ALTER TABLE t4 MODIFY fld1 VARCHAR(3074), ALGORITHM= COPY;
# For unique and primary keys, an error is reported even in non-strict
# mode.
CREATE TABLE t5(fld1 VARCHAR(768) PRIMARY KEY) ENGINE= InnoDB
ROW_FORMAT=COMPACT;
ERROR 42000: Specified key was too long; max key length is 767 bytes
CREATE TABLE t5(fld1 VARCHAR(3073), UNIQUE KEY(fld1)) ENGINE= InnoDB;
ERROR 42000: Specified key was too long; max key length is 3072 bytes
# Tests with innodb_large_prefix disabled and strict mode.
SET GLOBAL innodb_large_prefix= OFF;
Warnings:
Warning 131 Using innodb_large_prefix is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
CREATE TABLE t5 (fld1 VARCHAR(3072), KEY(fld1)) CHARSET latin1 ENGINE= InnoDB;
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
DROP TABLE t1, t2, t3, t4, t5;
SET sql_mode= @orig_sql_mode;
SET GLOBAL innodb_large_prefix= ON;
# Tests added for coverage.
CREATE TABLE t1(fld1 VARCHAR(3), KEY(fld1)) ENGINE=MYISAM;
# Conversion of unpacked keys to packed keys reports
# error for INPLACE Alter.
ALTER TABLE t1 MODIFY fld1 VARCHAR(10), ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
# Succeeds with index rebuild.
ALTER TABLE t1 MODIFY fld1 VARCHAR(10), ALGORITHM=COPY;
# Succeeds since the row format is dynamic.
CREATE TABLE t2(fld1 VARCHAR(768), KEY(fld1)) ENGINE= InnoDB ROW_FORMAT= DYNAMIC;
# An error is reported when the index exceeds the column size
# in both strict and non-strict mode.
ALTER TABLE t2 ADD INDEX idx1(fld1(769));
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
SET sql_mode= '';
ALTER TABLE t2 ADD INDEX idx1(fld1(769));
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
# Cleanup.
DROP TABLE t1, t2;
SET sql_mode= @orig_sql_mode;
SET GLOBAL innodb_large_prefix= @orig_innodb_large_prefix;
#
# BUG#27788685: NO WARNING WHEN TRUNCATING A STRING WITH DATA LOSS
#
SET GLOBAL max_allowed_packet=17825792;
CREATE TABLE t1 (t1_fld1 TEXT) ENGINE=InnoDB;
CREATE TABLE t2 (t2_fld1 MEDIUMTEXT) ENGINE=InnoDB;
CREATE TABLE t3 (t3_fld1 LONGTEXT) ENGINE=InnoDB;
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';
Warnings:
Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
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)
44
SELECT LENGTH(my_t2_fld1) FROM t2;
LENGTH(my_t2_fld1)
144
SELECT LENGTH(my_t3_fld1) FROM t3;
LENGTH(my_t3_fld1)
84
DROP TABLE t1, t2, t3;
SET SQL_MODE=default;
SET GLOBAL max_allowed_packet=default;