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mariadb/mysql-test/innodb-index.test
marko 71f47ed2e2 branches/zip: innodb-index.test: Add tests for creating or dropping 
FOREIGN KEY constraints.  At the moment, MySQL will rebuild the entire
table and indexes when such constraints are added or removed, even though
the constraints do not affect the storage format of the data.
2007-08-21 06:40:46 +00:00

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-- source include/have_innodb.inc
create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb;
insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak');
commit;
--error ER_DUP_KEYNAME
alter table t1 add index b (b), add index b (b);
--error ER_DUP_FIELDNAME
alter table t1 add index (b,b);
alter table t1 add index d2 (d);
show create table t1;
explain select * from t1 order by d;
select * from t1 order by d;
--error ER_DUP_ENTRY
alter table t1 add unique index (b);
show create table t1;
alter table t1 add index (b);
show create table t1;
alter table t1 add unique index (c), add index (d);
show create table t1;
explain select * from t1 order by c;
--error ER_REQUIRES_PRIMARY_KEY
drop index c on t1;
alter table t1 add primary key (a), drop index c;
show create table t1;
--error ER_MULTIPLE_PRI_KEY
alter table t1 add primary key (c);
--error ER_DUP_ENTRY
alter table t1 drop primary key, add primary key (b);
create unique index c on t1 (c);
show create table t1;
explain select * from t1 order by c;
select * from t1 order by c;
alter table t1 drop index b, add index (b);
show create table t1;
insert into t1 values(6,1,'ggg','ggg');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
drop table t1;
create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe');
commit;
alter table t1 add index (c(2));
show create table t1;
alter table t1 add unique index (d(10));
show create table t1;
insert into t1 values(5,1,'ggg','ggg');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
alter table t1 drop index d;
insert into t1 values(8,9,'fff','fff');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
drop table t1;
create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
commit;
alter table t1 add unique index (b,c);
insert into t1 values(8,9,'fff','fff');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
alter table t1 add index (b,c);
insert into t1 values(11,11,'kkk','kkk');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
alter table t1 add unique index (c,d);
insert into t1 values(13,13,'yyy','aaa');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
drop table t1;
create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb;
create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb;
create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb;
create table t2(a int not null, b int not null, c int not null, d int not null, e int,
foreign key (b) references t1(b) on delete cascade,
foreign key (c) references t3(c), foreign key (d) references t4(d))
engine = innodb;
--error ER_DROP_INDEX_FK
alter table t1 drop index b;
--error ER_DROP_INDEX_FK
alter table t3 drop index c;
--error ER_DROP_INDEX_FK
alter table t4 drop index d;
--error ER_DROP_INDEX_FK
alter table t2 drop index b;
--error ER_DROP_INDEX_FK
alter table t2 drop index b, drop index c, drop index d;
-- Apparently, the following makes mysql_alter_table() drop index d.
create unique index dc on t2 (d,c);
create index dc on t1 (b,c);
-- This should preserve the foreign key constraints.
alter table t2 add primary key (a);
insert into t1 values (1,1,1);
insert into t3 values (1,1,1);
insert into t4 values (1,1,1);
insert into t2 values (1,1,1,1,1);
commit;
alter table t4 add constraint dc foreign key (a) references t1(a);
show create table t4;
--replace_regex /'test\.#sql-[0-9a-f_]*'/'#sql-temporary'/
-- a foreign key 'test/dc' already exists
--error ER_CANT_CREATE_TABLE
alter table t3 add constraint dc foreign key (a) references t1(a);
show create table t3;
alter table t2 drop index b, add index (b);
show create table t2;
--error ER_ROW_IS_REFERENCED_2
delete from t1;
--error ER_CANT_DROP_FIELD_OR_KEY
drop index dc on t4;
-- there is no foreign key dc on t3
--replace_regex /'\.\/test\/#sql2-[0-9a-f-]*'/'#sql2-temporary'/
--error ER_ERROR_ON_RENAME
alter table t3 drop foreign key dc;
alter table t4 drop foreign key dc;
select * from t2;
delete from t1;
select * from t2;
drop table t2,t4,t3,t1;
create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a))
engine = innodb default charset=utf8;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
commit;
--error ER_DUP_ENTRY
alter table t1 add unique index (b);
insert into t1 values(8,9,'fff','fff');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
alter table t1 add index (b);
insert into t1 values(10,10,'kkk','iii');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
alter table t1 add unique index (c), add index (d);
insert into t1 values(11,11,'aaa','mmm');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
check table t1;
drop table t1;
create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a))
engine = innodb default charset=ucs2;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
commit;
--error ER_DUP_ENTRY
alter table t1 add unique index (b);
show create table t1;
alter table t1 add index (b);
insert into t1 values(8,9,'fff','fff');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
alter table t1 add unique index (c), add index (d);
insert into t1 values(10,10,'aaa','kkk');
select * from t1;
select * from t1 order by b;
select * from t1 order by c;
select * from t1 order by d;
explain select * from t1 order by b;
explain select * from t1 order by c;
explain select * from t1 order by d;
show create table t1;
check table t1;
drop table t1;
create table t1(a int not null, b int) engine = innodb;
insert into t1 values (1,1),(1,1),(1,1),(1,1);
--error ER_DUP_ENTRY
alter table t1 add unique index (a);
--error ER_DUP_ENTRY
alter table t1 add unique index (b);
--error ER_DUP_ENTRY
alter table t1 add unique index (a), add unique index(b);
show create table t1;
drop table t1;
create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb;
alter table t1 drop index c, drop index b;
show create table t1;
drop table t1;
create table t1(a int not null, b int, primary key(a)) engine = innodb;
alter table t1 add index (b);
show create table t1;
drop table t1;
create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe');
--error ER_DUP_ENTRY
alter table t1 add unique index (b), add unique index (c), add unique index (d);
--error ER_DUP_ENTRY
alter table t1 add unique index (b), add index (d), add unique index (c);
show create table t1;
drop table t1;
create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb;
insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1);
alter table t1 add unique index (b);
insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17);
show create table t1;
check table t1;
explain select * from t1 order by c;
explain select * from t1 order by a;
explain select * from t1 order by b;
select * from t1 order by a;
select * from t1 order by b;
select * from t1 order by c;
drop table t1;
create table t1(a int not null, b int not null) engine=innodb;
insert into t1 values (1,1);
alter table t1 add primary key(b);
insert into t1 values (2,2);
show create table t1;
check table t1;
select * from t1;
explain select * from t1;
explain select * from t1 order by a;
explain select * from t1 order by b;
checksum table t1;
drop table t1;
create table t1(a int not null) engine=innodb;
insert into t1 values (1);
alter table t1 add primary key(a);
insert into t1 values (2);
show create table t1;
check table t1;
commit;
select * from t1;
explain select * from t1;
explain select * from t1 order by a;
drop table t1;
create table t1(a int, b blob, c text, d text not null) engine=innodb default charset = utf8;
insert into t1 values (22,repeat('jejdkrun87',220),repeat('jejdkrun87',440),'jejdkrun87');
insert into t1 values (44,repeat('adfd72nh9k',440),repeat('adfd72nh9k',880),'adfd72nh9k');
insert into t1 values (null,null,null,'null');
select count(*) from t1 where a=44;
select a,b=repeat(d,10*a),c=repeat(d,20*a) from t1;
select a,length(b),length(c),d from t1;
--error ER_PRIMARY_CANT_HAVE_NULL
alter table t1 add primary key (a), add key (b(20));
delete from t1 where d='null';
alter table t1 add primary key (a), add key (b(20));
select count(*) from t1 where a=44;
select a,b=repeat(d,10*a),c=repeat(d,20*a) from t1;
select a,length(b),length(c),d from t1;
insert into t1 values (33,repeat('adfdpplkeock',330),repeat('adfdpplkeock',660),'adfdpplkeock');
insert into t1 values (55,repeat('adfdijnmnb78k',550),repeat('adfdijnmnb78k',1100),'adfdijnmnb78k');
insert into t1 values (66,repeat('adfdijn0loKNHJik',660),repeat('adfdijn0loKNHJik',1320),'adfdijn0loKNHJik');
show create table t1;
check table t1;
explain select * from t1 where b like 'adfd%';
select a,b=repeat(d,10*a),c=repeat(d,20*a) from t1;
select a,length(b),length(c),d from t1;
drop table t1;
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