mirror of
https://github.com/MariaDB/server.git
synced 2025-08-01 03:47:19 +03:00
Hand-merged test.
This commit is contained in:
cmiller@zippy.(none)
@ -234,7 +234,7 @@ n after commit
|
||||
commit;
|
||||
insert into t1 values (5);
|
||||
insert into t1 values (4);
|
||||
ERROR 23000: Duplicate entry '4' for key 1
|
||||
ERROR 23000: Duplicate entry '4' for key 'PRIMARY'
|
||||
commit;
|
||||
select n, "after commit" from t1;
|
||||
n after commit
|
||||
@ -243,7 +243,7 @@ n after commit
|
||||
set autocommit=1;
|
||||
insert into t1 values (6);
|
||||
insert into t1 values (4);
|
||||
ERROR 23000: Duplicate entry '4' for key 1
|
||||
ERROR 23000: Duplicate entry '4' for key 'PRIMARY'
|
||||
select n from t1;
|
||||
n
|
||||
4
|
||||
@ -318,7 +318,7 @@ drop table t1;
|
||||
CREATE TABLE t1 (id char(8) not null primary key, val int not null) engine=innodb;
|
||||
insert into t1 values ('pippo', 12);
|
||||
insert into t1 values ('pippo', 12);
|
||||
ERROR 23000: Duplicate entry 'pippo' for key 1
|
||||
ERROR 23000: Duplicate entry 'pippo' for key 'PRIMARY'
|
||||
delete from t1;
|
||||
delete from t1 where id = 'pippo';
|
||||
select * from t1;
|
||||
@ -482,9 +482,9 @@ UNIQUE ggid (ggid)
|
||||
insert into t1 (ggid,passwd) values ('test1','xxx');
|
||||
insert into t1 (ggid,passwd) values ('test2','yyy');
|
||||
insert into t1 (ggid,passwd) values ('test2','this will fail');
|
||||
ERROR 23000: Duplicate entry 'test2' for key 2
|
||||
ERROR 23000: Duplicate entry 'test2' for key 'ggid'
|
||||
insert into t1 (ggid,id) values ('this will fail',1);
|
||||
ERROR 23000: Duplicate entry '1' for key 1
|
||||
ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
|
||||
select * from t1 where ggid='test1';
|
||||
id ggid email passwd
|
||||
1 test1 xxx
|
||||
@ -497,7 +497,7 @@ id ggid email passwd
|
||||
replace into t1 (ggid,id) values ('this will work',1);
|
||||
replace into t1 (ggid,passwd) values ('test2','this will work');
|
||||
update t1 set id=100,ggid='test2' where id=1;
|
||||
ERROR 23000: Duplicate entry 'test2' for key 2
|
||||
ERROR 23000: Duplicate entry 'test2' for key 'ggid'
|
||||
select * from t1;
|
||||
id ggid email passwd
|
||||
1 this will work
|
||||
@ -816,7 +816,7 @@ create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(3
|
||||
insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL');
|
||||
LOCK TABLES t1 WRITE;
|
||||
insert into t1 values (99,1,2,'D'),(1,1,2,'D');
|
||||
ERROR 23000: Duplicate entry '1-1' for key 1
|
||||
ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY'
|
||||
select id from t1;
|
||||
id
|
||||
0
|
||||
@ -834,7 +834,7 @@ insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJ
|
||||
LOCK TABLES t1 WRITE;
|
||||
begin;
|
||||
insert into t1 values (99,1,2,'D'),(1,1,2,'D');
|
||||
ERROR 23000: Duplicate entry '1-1' for key 1
|
||||
ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY'
|
||||
select id from t1;
|
||||
id
|
||||
0
|
||||
@ -856,7 +856,7 @@ create table t1 (a char(20), index (a(5))) engine=innodb;
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`a` char(20) default NULL,
|
||||
`a` char(20) DEFAULT NULL,
|
||||
KEY `a` (`a`(5))
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
drop table t1;
|
||||
@ -1587,9 +1587,9 @@ create table t2 (id int(11) not null auto_increment, id2 int(11) not null, const
|
||||
show create table t2;
|
||||
Table Create Table
|
||||
t2 CREATE TABLE `t2` (
|
||||
`id` int(11) NOT NULL auto_increment,
|
||||
`id` int(11) NOT NULL AUTO_INCREMENT,
|
||||
`id2` int(11) NOT NULL,
|
||||
PRIMARY KEY (`id`),
|
||||
PRIMARY KEY (`id`),
|
||||
KEY `id` (`id`,`id2`),
|
||||
CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`)
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
@ -1598,7 +1598,7 @@ create table t2 (id int(11) not null auto_increment, id2 int(11) not null, const
|
||||
show create table t2;
|
||||
Table Create Table
|
||||
t2 CREATE TABLE `t2` (
|
||||
`id` int(11) NOT NULL auto_increment,
|
||||
`id` int(11) NOT NULL AUTO_INCREMENT,
|
||||
`id2` int(11) NOT NULL,
|
||||
KEY `t1_id_fk` (`id`),
|
||||
CONSTRAINT `t1_id_fk` FOREIGN KEY (`id`) REFERENCES `t1` (`id`)
|
||||
@ -1607,7 +1607,7 @@ alter table t2 add index id_test (id), add index id_test2 (id,id2);
|
||||
show create table t2;
|
||||
Table Create Table
|
||||
t2 CREATE TABLE `t2` (
|
||||
`id` int(11) NOT NULL auto_increment,
|
||||
`id` int(11) NOT NULL AUTO_INCREMENT,
|
||||
`id2` int(11) NOT NULL,
|
||||
KEY `id_test` (`id`),
|
||||
KEY `id_test2` (`id`,`id2`),
|
||||
@ -1615,14 +1615,14 @@ t2 CREATE TABLE `t2` (
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
drop table t2;
|
||||
create table t2 (id int(11) not null, id2 int(11) not null, constraint t1_id_fk foreign key (id2,id) references t1 (id)) engine = innodb;
|
||||
ERROR HY000: Can't create table './test/t2' (errno: 150)
|
||||
ERROR HY000: Can't create table 'test.t2' (errno: 150)
|
||||
create table t2 (a int auto_increment primary key, b int, index(b), foreign key (b) references t1(id), unique(b)) engine=innodb;
|
||||
show create table t2;
|
||||
Table Create Table
|
||||
t2 CREATE TABLE `t2` (
|
||||
`a` int(11) NOT NULL auto_increment,
|
||||
`b` int(11) default NULL,
|
||||
PRIMARY KEY (`a`),
|
||||
`a` int(11) NOT NULL AUTO_INCREMENT,
|
||||
`b` int(11) DEFAULT NULL,
|
||||
PRIMARY KEY (`a`),
|
||||
UNIQUE KEY `b_2` (`b`),
|
||||
KEY `b` (`b`),
|
||||
CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`)
|
||||
@ -1632,9 +1632,9 @@ create table t2 (a int auto_increment primary key, b int, foreign key (b) refere
|
||||
show create table t2;
|
||||
Table Create Table
|
||||
t2 CREATE TABLE `t2` (
|
||||
`a` int(11) NOT NULL auto_increment,
|
||||
`b` int(11) default NULL,
|
||||
PRIMARY KEY (`a`),
|
||||
`a` int(11) NOT NULL AUTO_INCREMENT,
|
||||
`b` int(11) DEFAULT NULL,
|
||||
PRIMARY KEY (`a`),
|
||||
UNIQUE KEY `b` (`b`),
|
||||
CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`id`),
|
||||
CONSTRAINT `t2_ibfk_2` FOREIGN KEY (`b`) REFERENCES `t1` (`id`)
|
||||
@ -1821,7 +1821,7 @@ Variable_name Value
|
||||
innodb_sync_spin_loops 20
|
||||
show variables like "innodb_thread_concurrency";
|
||||
Variable_name Value
|
||||
innodb_thread_concurrency 8
|
||||
innodb_thread_concurrency 20
|
||||
set global innodb_thread_concurrency=1001;
|
||||
show variables like "innodb_thread_concurrency";
|
||||
Variable_name Value
|
||||
@ -1829,7 +1829,7 @@ innodb_thread_concurrency 1000
|
||||
set global innodb_thread_concurrency=0;
|
||||
show variables like "innodb_thread_concurrency";
|
||||
Variable_name Value
|
||||
innodb_thread_concurrency 0
|
||||
innodb_thread_concurrency 1
|
||||
set global innodb_thread_concurrency=16;
|
||||
show variables like "innodb_thread_concurrency";
|
||||
Variable_name Value
|
||||
@ -1881,40 +1881,40 @@ concat('*',v,'*',c,'*',t,'*')
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` varchar(10) default NULL,
|
||||
`c` char(10) default NULL,
|
||||
`v` varchar(10) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL,
|
||||
`t` text
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
create table t2 like t1;
|
||||
show create table t2;
|
||||
Table Create Table
|
||||
t2 CREATE TABLE `t2` (
|
||||
`v` varchar(10) default NULL,
|
||||
`c` char(10) default NULL,
|
||||
`v` varchar(10) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL,
|
||||
`t` text
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
create table t3 select * from t1;
|
||||
show create table t3;
|
||||
Table Create Table
|
||||
t3 CREATE TABLE `t3` (
|
||||
`v` varchar(10) default NULL,
|
||||
`c` char(10) default NULL,
|
||||
`v` varchar(10) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL,
|
||||
`t` text
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
alter table t1 modify c varchar(10);
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` varchar(10) default NULL,
|
||||
`c` varchar(10) default NULL,
|
||||
`v` varchar(10) DEFAULT NULL,
|
||||
`c` varchar(10) DEFAULT NULL,
|
||||
`t` text
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
alter table t1 modify v char(10);
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` char(10) default NULL,
|
||||
`c` varchar(10) default NULL,
|
||||
`v` char(10) DEFAULT NULL,
|
||||
`c` varchar(10) DEFAULT NULL,
|
||||
`t` text
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
alter table t1 modify t varchar(10);
|
||||
@ -1923,9 +1923,9 @@ Note 1265 Data truncated for column 't' at row 2
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` char(10) default NULL,
|
||||
`c` varchar(10) default NULL,
|
||||
`t` varchar(10) default NULL
|
||||
`v` char(10) DEFAULT NULL,
|
||||
`c` varchar(10) DEFAULT NULL,
|
||||
`t` varchar(10) DEFAULT NULL
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
select concat('*',v,'*',c,'*',t,'*') from t1;
|
||||
concat('*',v,'*',c,'*',t,'*')
|
||||
@ -1936,8 +1936,8 @@ create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10)));
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` varchar(10) default NULL,
|
||||
`c` char(10) default NULL,
|
||||
`v` varchar(10) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL,
|
||||
`t` text,
|
||||
KEY `v` (`v`),
|
||||
KEY `c` (`c`),
|
||||
@ -2002,7 +2002,7 @@ explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a '
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ref v v 13 const # Using where; Using index
|
||||
alter table t1 add unique(v);
|
||||
ERROR 23000: Duplicate entry '{ ' for key 1
|
||||
ERROR 23000: Duplicate entry '{ ' for key 'v_2'
|
||||
alter table t1 add key(v);
|
||||
select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a';
|
||||
qq
|
||||
@ -2155,8 +2155,8 @@ alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v);
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` varchar(300) default NULL,
|
||||
`c` char(10) default NULL,
|
||||
`v` varchar(300) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL,
|
||||
`t` text,
|
||||
KEY `c` (`c`),
|
||||
KEY `t` (`t`(10)),
|
||||
@ -2235,8 +2235,8 @@ alter table t1 drop key v, add key v (v(30));
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` varchar(300) default NULL,
|
||||
`c` char(10) default NULL,
|
||||
`v` varchar(300) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL,
|
||||
`t` text,
|
||||
KEY `c` (`c`),
|
||||
KEY `t` (`t`(10)),
|
||||
@ -2315,8 +2315,8 @@ alter table t1 modify v varchar(600), drop key v, add key v (v);
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` varchar(600) default NULL,
|
||||
`c` char(10) default NULL,
|
||||
`v` varchar(600) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL,
|
||||
`t` text,
|
||||
KEY `c` (`c`),
|
||||
KEY `t` (`t`(10)),
|
||||
@ -2362,16 +2362,16 @@ drop table t1;
|
||||
create table t1 (a char(10), unique (a));
|
||||
insert into t1 values ('a ');
|
||||
insert into t1 values ('a ');
|
||||
ERROR 23000: Duplicate entry 'a' for key 1
|
||||
ERROR 23000: Duplicate entry 'a' for key 'a'
|
||||
alter table t1 modify a varchar(10);
|
||||
insert into t1 values ('a '),('a '),('a '),('a ');
|
||||
ERROR 23000: Duplicate entry 'a ' for key 1
|
||||
ERROR 23000: Duplicate entry 'a ' for key 'a'
|
||||
insert into t1 values ('a ');
|
||||
ERROR 23000: Duplicate entry 'a ' for key 1
|
||||
ERROR 23000: Duplicate entry 'a ' for key 'a'
|
||||
insert into t1 values ('a ');
|
||||
ERROR 23000: Duplicate entry 'a ' for key 1
|
||||
ERROR 23000: Duplicate entry 'a ' for key 'a'
|
||||
insert into t1 values ('a ');
|
||||
ERROR 23000: Duplicate entry 'a ' for key 1
|
||||
ERROR 23000: Duplicate entry 'a ' for key 'a'
|
||||
update t1 set a='a ' where a like 'a%';
|
||||
select concat(a,'.') from t1;
|
||||
concat(a,'.')
|
||||
@ -2393,8 +2393,8 @@ create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` varchar(10) default NULL,
|
||||
`c` char(10) default NULL,
|
||||
`v` varchar(10) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL,
|
||||
`t` text,
|
||||
KEY `v` (`v`(5)),
|
||||
KEY `c` (`c`(5)),
|
||||
@ -2405,15 +2405,15 @@ create table t1 (v char(10) character set utf8);
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` char(10) character set utf8 default NULL
|
||||
`v` char(10) CHARACTER SET utf8 DEFAULT NULL
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
drop table t1;
|
||||
create table t1 (v varchar(10), c char(10)) row_format=fixed;
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` varchar(10) default NULL,
|
||||
`c` char(10) default NULL
|
||||
`v` varchar(10) DEFAULT NULL,
|
||||
`c` char(10) DEFAULT NULL
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED
|
||||
insert into t1 values('a','a'),('a ','a ');
|
||||
select concat('*',v,'*',c,'*') from t1;
|
||||
@ -2455,7 +2455,7 @@ Note 1246 Converting column 'v' from VARCHAR to TEXT
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`v` mediumtext character set utf8
|
||||
`v` mediumtext CHARACTER SET utf8
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
drop table t1;
|
||||
set storage_engine=MyISAM;
|
||||
@ -2494,7 +2494,7 @@ key (rowid), unique(val)) engine=innodb;
|
||||
replace into t1 (val) values ('1'),('2');
|
||||
replace into t1 (val) values ('1'),('2');
|
||||
insert into t1 (val) values ('1'),('2');
|
||||
ERROR 23000: Duplicate entry '1' for key 2
|
||||
ERROR 23000: Duplicate entry '1' for key 'val'
|
||||
select * from t1;
|
||||
rowid val
|
||||
3 1
|
||||
@ -2504,7 +2504,7 @@ create table t1 (a int not null auto_increment primary key, val int) engine=Inno
|
||||
insert into t1 (val) values (1);
|
||||
update t1 set a=2 where a=1;
|
||||
insert into t1 (val) values (1);
|
||||
ERROR 23000: Duplicate entry '2' for key 1
|
||||
ERROR 23000: Duplicate entry '2' for key 'PRIMARY'
|
||||
select * from t1;
|
||||
a val
|
||||
2 1
|
||||
@ -2582,8 +2582,8 @@ character set = latin1 engine = innodb;
|
||||
show create table t9;
|
||||
Table Create Table
|
||||
t9 CREATE TABLE `t9` (
|
||||
`col1` varchar(512) default NULL,
|
||||
`col2` varchar(512) default NULL,
|
||||
`col1` varchar(512) DEFAULT NULL,
|
||||
`col2` varchar(512) DEFAULT NULL,
|
||||
KEY `col1` (`col1`,`col2`)
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
drop table t1, t2, t3, t4, t5, t6, t7, t8, t9;
|
||||
@ -2606,7 +2606,7 @@ Warning 1071 Specified key was too long; max key length is 767 bytes
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`col1` varchar(768) default NULL,
|
||||
`col1` varchar(768) DEFAULT NULL,
|
||||
KEY `col1` (`col1`(767))
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
drop table t1, t2, t3, t4;
|
||||
@ -2885,13 +2885,13 @@ commit;
|
||||
set foreign_key_checks=0;
|
||||
create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb;
|
||||
create table t1(a char(10) primary key, b varchar(20)) engine = innodb;
|
||||
ERROR HY000: Can't create table './test/t1.frm' (errno: 150)
|
||||
ERROR HY000: Can't create table 'test.t1' (errno: 150)
|
||||
set foreign_key_checks=1;
|
||||
drop table t2;
|
||||
set foreign_key_checks=0;
|
||||
create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1;
|
||||
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8;
|
||||
ERROR HY000: Can't create table './test/t2.frm' (errno: 150)
|
||||
ERROR HY000: Can't create table 'test.t2' (errno: 150)
|
||||
set foreign_key_checks=1;
|
||||
drop table t1;
|
||||
set foreign_key_checks=0;
|
||||
@ -2962,13 +2962,13 @@ create table t3 (s1 varchar(2) binary,primary key (s1)) engine=innodb;
|
||||
create table t4 (s1 char(2) binary,primary key (s1)) engine=innodb;
|
||||
insert into t1 values (0x41),(0x4120),(0x4100);
|
||||
insert into t2 values (0x41),(0x4120),(0x4100);
|
||||
ERROR 23000: Duplicate entry 'A' for key 1
|
||||
ERROR 23000: Duplicate entry 'A' for key 'PRIMARY'
|
||||
insert into t2 values (0x41),(0x4120);
|
||||
insert into t3 values (0x41),(0x4120),(0x4100);
|
||||
ERROR 23000: Duplicate entry 'A ' for key 1
|
||||
ERROR 23000: Duplicate entry 'A ' for key 'PRIMARY'
|
||||
insert into t3 values (0x41),(0x4100);
|
||||
insert into t4 values (0x41),(0x4120),(0x4100);
|
||||
ERROR 23000: Duplicate entry 'A' for key 1
|
||||
ERROR 23000: Duplicate entry 'A' for key 'PRIMARY'
|
||||
insert into t4 values (0x41),(0x4100);
|
||||
select hex(s1) from t1;
|
||||
hex(s1)
|
||||
@ -3170,7 +3170,7 @@ ALTER TABLE t2 DROP FOREIGN KEY t2_ibfk_0;
|
||||
SHOW CREATE TABLE t2;
|
||||
Table Create Table
|
||||
t2 CREATE TABLE `t2` (
|
||||
`a` int(11) default NULL,
|
||||
`a` int(11) DEFAULT NULL,
|
||||
KEY `t2_ibfk_0` (`a`)
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
DROP TABLE t2,t1;
|
||||
@ -3232,6 +3232,55 @@ drop trigger t2t;
|
||||
drop trigger t3t;
|
||||
drop trigger t4t;
|
||||
drop table t1, t2, t3, t4, t5;
|
||||
CREATE TABLE t1 (
|
||||
field1 varchar(8) NOT NULL DEFAULT '',
|
||||
field2 varchar(8) NOT NULL DEFAULT '',
|
||||
PRIMARY KEY (field1, field2)
|
||||
) ENGINE=InnoDB;
|
||||
CREATE TABLE t2 (
|
||||
field1 varchar(8) NOT NULL DEFAULT '' PRIMARY KEY,
|
||||
FOREIGN KEY (field1) REFERENCES t1 (field1)
|
||||
ON DELETE CASCADE ON UPDATE CASCADE
|
||||
) ENGINE=InnoDB;
|
||||
INSERT INTO t1 VALUES ('old', 'somevalu');
|
||||
INSERT INTO t1 VALUES ('other', 'anyvalue');
|
||||
INSERT INTO t2 VALUES ('old');
|
||||
INSERT INTO t2 VALUES ('other');
|
||||
UPDATE t1 SET field1 = 'other' WHERE field2 = 'somevalu';
|
||||
ERROR 23000: Upholding foreign key constraints for table 't1', entry 'other-somevalu', key 1 would lead to a duplicate entry
|
||||
DROP TABLE t2;
|
||||
DROP TABLE t1;
|
||||
create table t1 (
|
||||
c1 bigint not null,
|
||||
c2 bigint not null,
|
||||
primary key (c1),
|
||||
unique key (c2)
|
||||
) engine=innodb;
|
||||
create table t2 (
|
||||
c1 bigint not null,
|
||||
primary key (c1)
|
||||
) engine=innodb;
|
||||
alter table t1 add constraint c2_fk foreign key (c2)
|
||||
references t2(c1) on delete cascade;
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`c1` bigint(20) NOT NULL,
|
||||
`c2` bigint(20) NOT NULL,
|
||||
PRIMARY KEY (`c1`),
|
||||
UNIQUE KEY `c2` (`c2`),
|
||||
CONSTRAINT `c2_fk` FOREIGN KEY (`c2`) REFERENCES `t2` (`c1`) ON DELETE CASCADE
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
alter table t1 drop foreign key c2_fk;
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`c1` bigint(20) NOT NULL,
|
||||
`c2` bigint(20) NOT NULL,
|
||||
PRIMARY KEY (`c1`),
|
||||
UNIQUE KEY `c2` (`c2`)
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
drop table t1, t2;
|
||||
create table t1(a date) engine=innodb;
|
||||
create table t2(a date, key(a)) engine=innodb;
|
||||
insert into t1 values('2005-10-01');
|
||||
|
||||
Reference in New Issue
Block a user