ndb_index_unique.test 7.62 KB
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-- source include/have_ndb.inc

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

#
# Simple test to show use of UNIQUE indexes 
#

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;
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;

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-- error 1062
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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;

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drop table t1;

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#
# 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 1062
insert into t1 values(5,1,1);
drop table t1;

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#
# 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 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;
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;

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-- error 1062
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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;

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drop table t2;

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-- error 1121
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;

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#
# 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 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;
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;

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#
# Indexes on NULL-able columns 
#

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

select * from t1 order by pk;

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--error 1062
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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;

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--error 1062
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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;
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drop table t1, t2;
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#
# 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 '',
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  PRIMARY KEY  (cid),
  UNIQUE KEY (cid, cap)
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) engine=ndbcluster;
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INSERT INTO t2 VALUES (NULL,'another dummy');
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CREATE TABLE t3 (
  gid bigint(20) unsigned NOT NULL auto_increment,
  gn varchar(255) NOT NULL default '',
  must tinyint(4) default NULL,
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  PRIMARY KEY  (gid)
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) 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',
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  UNIQUE KEY m (uid,gid,rid,cid)
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) 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 '',
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  PRIMARY KEY  (rid)
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) 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),
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  UNIQUE KEY nc (un,uc)
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) 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',
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  UNIQUE KEY m (uid,gid,rid,cid)
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) 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';
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select * from t2 where cap = 'another dummy';
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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;

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# 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;
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