path: root/mysql-test/t/ndb_index_unique.test

-- source include/have_ndb.inc
-- source include/not_embedded.inc

--disable_warnings
drop table if exists t1, t2, t3, t4, t5, t6, t7, t8;
--enable_warnings

#
# Simple test to show use of UNIQUE indexes 
#

CREATE TABLE t1 (
  a int NOT NULL PRIMARY KEY,
  b int not null,
  c int,
  UNIQUE ib(b)
) engine=ndbcluster;

insert t1 values(1, 2, 3), (2, 3, 5), (3, 4, 6), (4, 5, 8), (5,6, 2), (6,7, 2);
select * from t1 order by b;
select * from t1 where b = 4 order by b;
insert into t1 values(7,8,3);
select * from t1 where b = 4 order by a;

-- error ER_DUP_ENTRY
insert into t1 values(8, 2, 3);
select * from t1 order by a;
delete from t1 where a = 1;
insert into t1 values(8, 2, 3);
select * from t1 order by a;

alter table t1 drop index ib;
insert into t1 values(1, 2, 3);
# Bug# #18129
--error 1169
create unique index ib on t1(b);

drop table t1;

#
# Indexing NULL values
#

CREATE TABLE t1 (
  a int unsigned NOT NULL PRIMARY KEY,
  b int unsigned,
  c int unsigned,
  UNIQUE bc(b,c)
) engine = ndb;

insert into t1 values(1,1,1),(2,NULL,2),(3,NULL,NULL),(4,4,NULL);
select * from t1 use index (bc) where b IS NULL order by a;

select * from t1 use index (bc)order by a;
select * from t1 use index (bc) order by a;
select * from t1 use index (PRIMARY) where b IS NULL order by a;
select * from t1 use index (bc) where b IS NULL order by a;
select * from t1 use index (bc) where b IS NULL and c IS NULL order by a;
select * from t1 use index (bc) where b IS NULL and c = 2 order by a;
select * from t1 use index (bc) where b < 4 order by a;
select * from t1 use index (bc) where b IS NOT NULL order by a;
-- error ER_DUP_ENTRY
insert into t1 values(5,1,1);
drop table t1;


#
# Show use of UNIQUE USING HASH indexes 
#

CREATE TABLE t2 (
  a int unsigned NOT NULL PRIMARY KEY,
  b int unsigned not null,
  c int unsigned not null,
  UNIQUE (b, c) USING HASH	
) engine=ndbcluster;

insert t2 values(1, 2, 3), (2, 3, 5), (3, 4, 6), (4, 5, 8), (5,6, 2), (6,7, 2);
select * from t2 where a = 3;
select * from t2 where b = 4;
select * from t2 where c = 6;
insert into t2 values(7,8,3);
select * from t2 where b = 4 order by a;

-- error ER_DUP_ENTRY
insert into t2 values(8, 2, 3);
select * from t2 order by a;
delete from t2 where a = 1;
insert into t2 values(8, 2, 3);
select * from t2 order by a;

# Bug #24818 CREATE UNIQUE INDEX (...) USING HASH on a NDB table crashes mysqld
create unique index bi using hash on t2(b);
-- error ER_DUP_ENTRY
insert into t2 values(9, 3, 1);
alter table t2 drop index bi;
insert into t2 values(9, 3, 1);
select * from t2 order by a;

drop table t2;

CREATE TABLE t2 (
  a int unsigned NOT NULL PRIMARY KEY,
  b int unsigned not null,
  c int unsigned,
  UNIQUE (b, c) USING HASH	
) engine=ndbcluster;


insert t2 values(1,1,NULL),(2,2,2),(3,3,NULL),(4,4,4),(5,5,NULL),(6,6,6),(7,7,NULL),(8,3,NULL),(9,3,NULL);

select * from t2 where c IS NULL order by a;
select * from t2 where b = 3 AND c IS NULL order by a;
select * from t2 where (b = 3 OR b = 5) AND c IS NULL order by a;
set @old_ecpd = @@session.engine_condition_pushdown;
set engine_condition_pushdown = true;
explain select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
set engine_condition_pushdown = @old_ecpd;

drop table t2;

#
# Show use of PRIMARY KEY USING HASH indexes 
#

CREATE TABLE t3 (
  a int unsigned NOT NULL,
  b int unsigned not null,
  c int unsigned,
  PRIMARY KEY (a, b) USING HASH         
) engine=ndbcluster;

insert t3 values(1, 2, 3), (2, 3, 5), (3, 4, 6), (4, 5, 8), (5,6, 2), (6,7, 2);
select * from t3 where a = 3;
select * from t3 where b = 4;
select * from t3 where c = 6;
insert into t3 values(7,8,3);
select * from t3 where b = 4 order by a;

drop table t3;

#
# Indexes on NULL-able columns 
#

CREATE TABLE t1 (
  pk int NOT NULL PRIMARY KEY,
  a int unsigned,
  UNIQUE KEY (a)
) engine=ndbcluster;
		 
insert into t1 values (-1,NULL), (0,0), (1,NULL),(2,2),(3,NULL),(4,4);

select * from t1 order by pk;

--error ER_DUP_ENTRY
insert into t1 values (5,0);
select * from t1 order by pk;
delete from t1 where a = 0;
insert into t1 values (5,0);
select * from t1 order by pk;

CREATE TABLE t2 (
  pk int NOT NULL PRIMARY KEY,
  a int unsigned,
  b tinyint NOT NULL,
  c VARCHAR(10),
  UNIQUE KEY si(a, c)
) engine=ndbcluster;

insert into t2 values (-1,1,17,NULL),(0,NULL,18,NULL),(1,3,19,'abc');

select * from t2 order by pk;

--error ER_DUP_ENTRY
insert into t2 values(2,3,19,'abc');
select * from t2 order by pk;
delete from t2 where c IS NOT NULL;
insert into t2 values(2,3,19,'abc');
select * from t2 order by pk;
		 
drop table t1, t2;

#
# More complex tables
#

CREATE TABLE t1 (
  cid smallint(5) unsigned NOT NULL default '0',
  cv varchar(250) NOT NULL default '',
  PRIMARY KEY  (cid),
  UNIQUE KEY cv (cv)
) engine=ndbcluster;
INSERT INTO t1 VALUES (8,'dummy');
CREATE TABLE t2 (
  cid bigint(20) unsigned NOT NULL auto_increment,
  cap varchar(255) NOT NULL default '',
  PRIMARY KEY  (cid),
  UNIQUE KEY (cid, cap)
) engine=ndbcluster;
INSERT INTO t2 VALUES (NULL,'another dummy');
CREATE TABLE t3 (
  gid bigint(20) unsigned NOT NULL auto_increment,
  gn varchar(255) NOT NULL default '',
  must tinyint(4) default NULL,
  PRIMARY KEY  (gid)
) engine=ndbcluster;
INSERT INTO t3 VALUES (1,'V1',NULL);
CREATE TABLE t4 (
  uid bigint(20) unsigned NOT NULL default '0',
  gid bigint(20) unsigned NOT NULL,
  rid bigint(20) unsigned NOT NULL,
  cid bigint(20) unsigned NOT NULL,
  UNIQUE KEY m (uid,gid,rid,cid)
) engine=ndbcluster;
INSERT INTO t4 VALUES (1,1,2,4);
INSERT INTO t4 VALUES (1,1,2,3);
INSERT INTO t4 VALUES (1,1,5,7);
INSERT INTO t4 VALUES (1,1,10,8);
CREATE TABLE t5 (
  rid bigint(20) unsigned NOT NULL auto_increment,
  rl varchar(255) NOT NULL default '',
  PRIMARY KEY  (rid)
) engine=ndbcluster;
CREATE TABLE t6 (
  uid bigint(20) unsigned NOT NULL auto_increment,
  un varchar(250) NOT NULL default '',
  uc smallint(5) unsigned NOT NULL default '0',
  PRIMARY KEY  (uid),
  UNIQUE KEY nc (un,uc)
) engine=ndbcluster;
INSERT INTO t6 VALUES (1,'test',8);
INSERT INTO t6 VALUES (2,'test2',9);
INSERT INTO t6 VALUES (3,'tre',3);
CREATE TABLE t7 (
  mid bigint(20) unsigned NOT NULL PRIMARY KEY,
  uid bigint(20) unsigned NOT NULL default '0',
  gid bigint(20) unsigned NOT NULL,
  rid bigint(20) unsigned NOT NULL,
  cid bigint(20) unsigned NOT NULL,
  UNIQUE KEY m (uid,gid,rid,cid)
) engine=ndbcluster;
INSERT INTO t7 VALUES(1, 1, 1, 1, 1);
INSERT INTO t7 VALUES(2, 2, 1, 1, 1);
INSERT INTO t7 VALUES(3, 3, 1, 1, 1);
INSERT INTO t7 VALUES(4, 4, 1, 1, 1);
INSERT INTO t7 VALUES(5, 5, 1, 1, 1);
INSERT INTO t7 VALUES(6, 1, 1, 1, 6);
INSERT INTO t7 VALUES(7, 2, 1, 1, 7);
INSERT INTO t7 VALUES(8, 3, 1, 1, 8);
INSERT INTO t7 VALUES(9, 4, 1, 1, 9);
INSERT INTO t7 VALUES(10, 5, 1, 1, 10);

select * from t1 where cv = 'dummy';
select * from t1 where cv = 'test';
select * from t2 where cap = 'another dummy';
select * from t4 where uid = 1 and gid=1 and rid=2 and cid=4;
select * from t4 where uid = 1 and gid=1 and rid=1 and cid=4;
select * from t4 where uid = 1 order by cid;
select * from t4 where rid = 2 order by cid;
select * from t6 where un='test' and uc=8;
select * from t6 where un='test' and uc=7;
select * from t6 where un='test';
select * from t7 where mid = 8; 
select * from t7 where uid = 8; 
select * from t7 where uid = 1 order by mid; 
select * from t7 where uid = 4 order by mid; 
select * from t7 where gid = 4; 
select * from t7 where gid = 1 order by mid; 
select * from t7 where cid = 4; 
select * from t7 where cid = 8; 

#
# insert more records into t4
#
let $1=100;
disable_query_log;
while ($1)
{
 eval insert into t4 values(1, $1, 5, 12);
 eval insert into t4 values($1, 3, 9, 11);
 dec $1;
}
enable_query_log;

select * from t4 where uid = 1 and gid=1 and rid=2 and cid=4;
select * from t4 where uid = 1 and gid=1 and rid=1 and cid=4;
select * from t4 where uid = 1 order by gid,cid;
select * from t4 where uid = 1 order by gid,cid;
select * from t4 where rid = 2 order by cid;


drop table t1,t2,t3,t4,t5,t6,t7;

# test null in indexes
CREATE TABLE t1 (   
   a int unsigned NOT NULL PRIMARY KEY,
   b int unsigned,   
   c int unsigned, 
   UNIQUE bc(b,c) ) engine = ndb;
 
insert into t1 values(1,1,1),(2,NULL,2),(3,NULL,NULL),(4,4,NULL);
select * from t1 where b=1 and c=1;
select * from t1 where b is null and c is null;
select * from t1 where b is null and c = 2;
select * from t1 where b = 4 and c is null;
create table t8 as 
select * from t1 where (b = 1 and c = 1)
                    or (b is null and c is null) 
                    or (b is null and c = 2)
                    or (b = 4 and c is null);
select * from t8 order by a;
select * from t1 order by a;
drop table t1, t8;

###############################
# Bug 8101
#
# Unique index not specified in the same order as in table
#

create table t1(
        id integer not null auto_increment,
        month integer not null,
        year integer not null,
        code varchar( 2) not null,
        primary key ( id),
	unique idx_t1( month, code, year)
) engine=ndb;

INSERT INTO t1 (month, year, code) VALUES (4,2004,'12');
INSERT INTO t1 (month, year, code) VALUES (5,2004,'12');

select * from t1 where code = '12' and month = 4 and year = 2004 ;

drop table t1;

# bug#15918 Unique Key Limit in NDB Engine

create table t1 (a int primary key, b varchar(1000) not null, unique key (b))
engine=ndb charset=utf8;

insert into t1 values (1, repeat(_utf8 0xe288ab6474, 200));
--error ER_DUP_ENTRY
insert into t1 values (2, repeat(_utf8 0xe288ab6474, 200));
select a, sha1(b) from t1;

# perl -e 'print pack("H2000","e288ab6474"x200)' | sha1sum

drop table t1;

# bug#21873 MySQLD Crash on ALTER...ADD..UNIQUE..USING HASH statement for NDB backed table

create table t1(id int not null) engine = NDB;

alter table t1 add constraint uk_test unique (id) using hash;

drop table t1;

# End of 4.1 tests