mariadb/mysql-test/t/ndb_index_ordered.test
2004-12-20 16:52:14 +01:00

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Text

-- source include/have_ndb.inc
--disable_warnings
drop table if exists t1, test1, test2;
--enable_warnings
#
# Simple test to show use of ordered indexes
#
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned,
KEY(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;
select * from t1 where b = 4 order by b;
select * from t1 where b > 4 order by b;
select * from t1 where b < 4 order by b;
select * from t1 where b <= 4 order by b;
# Test of reset_bounds
select tt1.* from t1 as tt1, t1 as tt2 use index(b) where tt1.b = tt2.b order by tt1.b;
select a, b, c from t1 where a!=2 and c=6;
select a, b, c from t1 where a!=2 order by a;
#
# Here we should add some "explain select" to verify that the ordered index is
# used for these queries.
#
#
# Update using ordered index scan
#
update t1 set c = 3 where b = 3;
select * from t1 order by a;
update t1 set c = 10 where b >= 6;
select * from t1 order by a;
update t1 set c = 11 where b < 5;
select * from t1 order by a;
update t1 set c = 12 where b > 0;
select * from t1 order by a;
update t1 set c = 13 where b <= 3;
select * from t1 order by a;
update t1 set b = b + 1 where b > 4 and b < 7;
select * from t1 order by a;
-- Update primary key
update t1 set a = a + 10 where b > 1 and b < 7;
select * from t1 order by a;
#
# Delete using ordered index scan
#
drop table t1;
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned,
KEY(b)
) engine=ndbcluster;
insert t1 values(1, 2, 13), (2,3, 13), (3, 4, 12), (4, 5, 12), (5,6, 12), (6,7, 12);
delete from t1 where b = 3;
select * from t1 order by a;
delete from t1 where b >= 6;
select * from t1 order by a;
delete from t1 where b < 4;
select * from t1 order by a;
delete from t1 where b > 5;
select * from t1 order by a;
delete from t1 where b <= 4;
select * from t1 order by a;
drop table t1;
#
#multi part key
#
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned not null,
c int unsigned not null
) engine = ndb;
create index a1 on t1 (b, c);
insert into t1 values (1, 2, 13);
insert into t1 values (2,3, 13);
insert into t1 values (3, 4, 12);
insert into t1 values (4, 5, 12);
insert into t1 values (5,6, 12);
insert into t1 values (6,7, 12);
insert into t1 values (7, 2, 1);
insert into t1 values (8,3, 6);
insert into t1 values (9, 4, 12);
insert into t1 values (14, 5, 4);
insert into t1 values (15,5,5);
insert into t1 values (16,5, 6);
insert into t1 values (17,4,4);
insert into t1 values (18,1, 7);
select * from t1 order by a;
select * from t1 where b<=5 order by a;
select * from t1 where b<=5 and c=0;
insert into t1 values (19,4, 0);
select * from t1 where b<=5 and c=0;
select * from t1 where b=4 and c<=5 order by a;
select * from t1 where b<=4 and c<=5 order by a;
select * from t1 where b<=5 and c=0 or b<=5 and c=2;
select count(*) from t1 where b = 0;
select count(*) from t1 where b = 1;
drop table t1;
#
# Indexing NULL values
#
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned,
c int unsigned,
KEY 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;
drop table t1;
#
# Order by again, including descending.
#
create table t1 (
a int unsigned primary key,
b int unsigned,
c char(10),
key bc (b, c)
) engine=ndb;
insert into t1 values(1,1,'a'),(2,2,'b'),(3,3,'c'),(4,4,'d'),(5,5,'e');
insert into t1 select a*7,10*b,'f' from t1;
insert into t1 select a*13,10*b,'g' from t1;
insert into t1 select a*17,10*b,'h' from t1;
insert into t1 select a*19,10*b,'i' from t1;
insert into t1 select a*23,10*b,'j' from t1;
insert into t1 select a*29,10*b,'k' from t1;
#
select b, c from t1 where b <= 10 and c <'f' order by b, c;
select b, c from t1 where b <= 10 and c <'f' order by b desc, c desc;
#
select b, c from t1 where b=4000 and c<'k' order by b, c;
select b, c from t1 where b=4000 and c<'k' order by b desc, c desc;
select b, c from t1 where 1000<=b and b<=100000 and c<'j' order by b, c;
select b, c from t1 where 1000<=b and b<=100000 and c<'j' order by b desc, c desc;
#
select min(b), max(b) from t1;
#
drop table t1;
#
# Bug #6435
CREATE TABLE test1 (
SubscrID int(11) NOT NULL auto_increment,
UsrID int(11) NOT NULL default '0',
PRIMARY KEY (SubscrID),
KEY idx_usrid (UsrID)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1;
INSERT INTO test1 VALUES (2,224),(3,224),(1,224);
CREATE TABLE test2 (
SbclID int(11) NOT NULL auto_increment,
SbcrID int(11) NOT NULL default '0',
PRIMARY KEY (SbclID),
KEY idx_sbcrid (SbcrID)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1;
INSERT INTO test2 VALUES (3,2),(1,1),(2,1),(4,2);
select * from test1 order by 1;
select * from test2 order by 1;
SELECT s.SubscrID,l.SbclID FROM test1 s left JOIN test2 l ON
l.SbcrID=s.SubscrID WHERE s.UsrID=224 order by 1, 2;
drop table test1;
drop table test2;