drop table if exists t1, t2, t3, t4, t5, t6, t7;
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned,
UNIQUE(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;
a	b	c
1	2	3
2	3	5
3	4	6
4	5	8
5	6	2
6	7	2
select * from t1 where b = 4 order by b;
a	b	c
3	4	6
insert into t1 values(7,8,3);
select * from t1 where b = 4 order by a;
a	b	c
3	4	6
insert into t1 values(8, 2, 3);
ERROR 23000: Duplicate entry '' for key 0
select * from t1 order by a;
a	b	c
1	2	3
2	3	5
3	4	6
4	5	8
5	6	2
6	7	2
7	8	3
delete from t1 where a = 1;
insert into t1 values(8, 2, 3);
select * from t1 order by a;
a	b	c
2	3	5
3	4	6
4	5	8
5	6	2
6	7	2
7	8	3
8	2	3
drop table t1;
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;
a	b	c
2	NULL	2
3	NULL	NULL
select * from t1 use index (bc)order by a;
a	b	c
1	1	1
2	NULL	2
3	NULL	NULL
4	4	NULL
select * from t1 use index (bc) order by a;
a	b	c
1	1	1
2	NULL	2
3	NULL	NULL
4	4	NULL
select * from t1 use index (PRIMARY) where b IS NULL order by a;
a	b	c
2	NULL	2
3	NULL	NULL
select * from t1 use index (bc) where b IS NULL order by a;
a	b	c
2	NULL	2
3	NULL	NULL
select * from t1 use index (bc) where b IS NULL and c IS NULL order by a;
a	b	c
3	NULL	NULL
select * from t1 use index (bc) where b IS NULL and c = 2 order by a;
a	b	c
2	NULL	2
select * from t1 use index (bc) where b < 4 order by a;
a	b	c
1	1	1
select * from t1 use index (bc) where b IS NOT NULL order by a;
a	b	c
1	1	1
4	4	NULL
insert into t1 values(5,1,1);
ERROR 23000: Duplicate entry '' for key 0
drop table t1;
CREATE TABLE t2 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned not null,
UNIQUE USING HASH (b, c)	
) 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;
a	b	c
3	4	6
select * from t2 where b = 4;
a	b	c
3	4	6
select * from t2 where c = 6;
a	b	c
3	4	6
insert into t2 values(7,8,3);
select * from t2 where b = 4 order by a;
a	b	c
3	4	6
insert into t2 values(8, 2, 3);
ERROR 23000: Duplicate entry '' for key 0
select * from t2 order by a;
a	b	c
1	2	3
2	3	5
3	4	6
4	5	8
5	6	2
6	7	2
7	8	3
delete from t2 where a = 1;
insert into t2 values(8, 2, 3);
select * from t2 order by a;
a	b	c
2	3	5
3	4	6
4	5	8
5	6	2
6	7	2
7	8	3
8	2	3
drop table t2;
CREATE TABLE t2 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned,
UNIQUE USING HASH (b, c)	
) engine=ndbcluster;
ERROR 42000: Column 'c' is used with UNIQUE or INDEX but is not defined as NOT NULL
CREATE TABLE t3 (
a int unsigned NOT NULL,
b int unsigned not null,
c int unsigned,
PRIMARY KEY USING HASH (a, b)	
) 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;
a	b	c
3	4	6
select * from t3 where b = 4;
a	b	c
3	4	6
select * from t3 where c = 6;
a	b	c
3	4	6
insert into t3 values(7,8,3);
select * from t3 where b = 4 order by a;
a	b	c
3	4	6
drop table t3;
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;
pk	a
-1	NULL
0	0
1	NULL
2	2
3	NULL
4	4
insert into t1 values (5,0);
ERROR 23000: Duplicate entry '' for key 0
select * from t1 order by pk;
pk	a
-1	NULL
0	0
1	NULL
2	2
3	NULL
4	4
delete from t1 where a = 0;
insert into t1 values (5,0);
select * from t1 order by pk;
pk	a
-1	NULL
1	NULL
2	2
3	NULL
4	4
5	0
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;
pk	a	b	c
-1	1	17	NULL
0	NULL	18	NULL
1	3	19	abc
insert into t2 values(2,3,19,'abc');
ERROR 23000: Duplicate entry '' for key 0
select * from t2 order by pk;
pk	a	b	c
-1	1	17	NULL
0	NULL	18	NULL
1	3	19	abc
delete from t2 where c IS NOT NULL;
insert into t2 values(2,3,19,'abc');
select * from t2 order by pk;
pk	a	b	c
-1	1	17	NULL
0	NULL	18	NULL
2	3	19	abc
drop table t1, t2;
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 default '-1',
cid bigint(20) unsigned NOT NULL default '-1',
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 default '-1',
cid bigint(20) unsigned NOT NULL default '-1',
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';
cid	cv
8	dummy
select * from t1 where cv = 'test';
cid	cv
select * from t2 where cap = 'another dummy';
cid	cap
1	another dummy
select * from t4 where uid = 1 and gid=1 and rid=2 and cid=4;
uid	gid	rid	cid
1	1	2	4
select * from t4 where uid = 1 and gid=1 and rid=1 and cid=4;
uid	gid	rid	cid
select * from t4 where uid = 1 order by cid;
uid	gid	rid	cid
1	1	2	3
1	1	2	4
1	1	5	7
1	1	10	8
select * from t4 where rid = 2 order by cid;
uid	gid	rid	cid
1	1	2	3
1	1	2	4
select * from t6 where un='test' and uc=8;
uid	un	uc
1	test	8
select * from t6 where un='test' and uc=7;
uid	un	uc
select * from t6 where un='test';
uid	un	uc
1	test	8
select * from t7 where mid = 8;
mid	uid	gid	rid	cid
8	3	1	1	8
select * from t7 where uid = 8;
mid	uid	gid	rid	cid
select * from t7 where uid = 1 order by mid;
mid	uid	gid	rid	cid
1	1	1	1	1
6	1	1	1	6
select * from t7 where uid = 4 order by mid;
mid	uid	gid	rid	cid
4	4	1	1	1
9	4	1	1	9
select * from t7 where gid = 4;
mid	uid	gid	rid	cid
select * from t7 where gid = 1 order by mid;
mid	uid	gid	rid	cid
1	1	1	1	1
2	2	1	1	1
3	3	1	1	1
4	4	1	1	1
5	5	1	1	1
6	1	1	1	6
7	2	1	1	7
8	3	1	1	8
9	4	1	1	9
10	5	1	1	10
select * from t7 where cid = 4;
mid	uid	gid	rid	cid
select * from t7 where cid = 8;
mid	uid	gid	rid	cid
8	3	1	1	8
select * from t4 where uid = 1 and gid=1 and rid=2 and cid=4;
uid	gid	rid	cid
1	1	2	4
select * from t4 where uid = 1 and gid=1 and rid=1 and cid=4;
uid	gid	rid	cid
select * from t4 where uid = 1 order by gid,cid;
uid	gid	rid	cid
1	1	2	3
1	1	2	4
1	1	5	7
1	1	10	8
1	1	5	12
1	2	5	12
1	3	9	11
1	3	5	12
1	4	5	12
1	5	5	12
1	6	5	12
1	7	5	12
1	8	5	12
1	9	5	12
1	10	5	12
1	11	5	12
1	12	5	12
1	13	5	12
1	14	5	12
1	15	5	12
1	16	5	12
1	17	5	12
1	18	5	12
1	19	5	12
1	20	5	12
1	21	5	12
1	22	5	12
1	23	5	12
1	24	5	12
1	25	5	12
1	26	5	12
1	27	5	12
1	28	5	12
1	29	5	12
1	30	5	12
1	31	5	12
1	32	5	12
1	33	5	12
1	34	5	12
1	35	5	12
1	36	5	12
1	37	5	12
1	38	5	12
1	39	5	12
1	40	5	12
1	41	5	12
1	42	5	12
1	43	5	12
1	44	5	12
1	45	5	12
1	46	5	12
1	47	5	12
1	48	5	12
1	49	5	12
1	50	5	12
1	51	5	12
1	52	5	12
1	53	5	12
1	54	5	12
1	55	5	12
1	56	5	12
1	57	5	12
1	58	5	12
1	59	5	12
1	60	5	12
1	61	5	12
1	62	5	12
1	63	5	12
1	64	5	12
1	65	5	12
1	66	5	12
1	67	5	12
1	68	5	12
1	69	5	12
1	70	5	12
1	71	5	12
1	72	5	12
1	73	5	12
1	74	5	12
1	75	5	12
1	76	5	12
1	77	5	12
1	78	5	12
1	79	5	12
1	80	5	12
1	81	5	12
1	82	5	12
1	83	5	12
1	84	5	12
1	85	5	12
1	86	5	12
1	87	5	12
1	88	5	12
1	89	5	12
1	90	5	12
1	91	5	12
1	92	5	12
1	93	5	12
1	94	5	12
1	95	5	12
1	96	5	12
1	97	5	12
1	98	5	12
1	99	5	12
1	100	5	12
select * from t4 where uid = 1 order by gid,cid;
uid	gid	rid	cid
1	1	2	3
1	1	2	4
1	1	5	7
1	1	10	8
1	1	5	12
1	2	5	12
1	3	9	11
1	3	5	12
1	4	5	12
1	5	5	12
1	6	5	12
1	7	5	12
1	8	5	12
1	9	5	12
1	10	5	12
1	11	5	12
1	12	5	12
1	13	5	12
1	14	5	12
1	15	5	12
1	16	5	12
1	17	5	12
1	18	5	12
1	19	5	12
1	20	5	12
1	21	5	12
1	22	5	12
1	23	5	12
1	24	5	12
1	25	5	12
1	26	5	12
1	27	5	12
1	28	5	12
1	29	5	12
1	30	5	12
1	31	5	12
1	32	5	12
1	33	5	12
1	34	5	12
1	35	5	12
1	36	5	12
1	37	5	12
1	38	5	12
1	39	5	12
1	40	5	12
1	41	5	12
1	42	5	12
1	43	5	12
1	44	5	12
1	45	5	12
1	46	5	12
1	47	5	12
1	48	5	12
1	49	5	12
1	50	5	12
1	51	5	12
1	52	5	12
1	53	5	12
1	54	5	12
1	55	5	12
1	56	5	12
1	57	5	12
1	58	5	12
1	59	5	12
1	60	5	12
1	61	5	12
1	62	5	12
1	63	5	12
1	64	5	12
1	65	5	12
1	66	5	12
1	67	5	12
1	68	5	12
1	69	5	12
1	70	5	12
1	71	5	12
1	72	5	12
1	73	5	12
1	74	5	12
1	75	5	12
1	76	5	12
1	77	5	12
1	78	5	12
1	79	5	12
1	80	5	12
1	81	5	12
1	82	5	12
1	83	5	12
1	84	5	12
1	85	5	12
1	86	5	12
1	87	5	12
1	88	5	12
1	89	5	12
1	90	5	12
1	91	5	12
1	92	5	12
1	93	5	12
1	94	5	12
1	95	5	12
1	96	5	12
1	97	5	12
1	98	5	12
1	99	5	12
1	100	5	12
select * from t4 where rid = 2 order by cid;
uid	gid	rid	cid
1	1	2	3
1	1	2	4
drop table t1,t2,t3,t4,t5,t6,t7;
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;
a	b	c
1	1	1
select * from t1 where b is null and c is null;
a	b	c
3	NULL	NULL
select * from t1 where b is null and c = 2;
a	b	c
2	NULL	2
select * from t1 where b = 4 and c is null;
a	b	c
4	4	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;
a	b	c
1	1	1
2	NULL	2
3	NULL	NULL
4	4	NULL
select * from t1 order by a;
a	b	c
1	1	1
2	NULL	2
3	NULL	NULL
4	4	NULL
drop table t1, t8;
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 ;
id	month	year	code
1	4	2004	12
drop table t1;
