mariadb/mysql-test/t/ndb_index_ordered.test

-- source include/have_ndb.inc

--disable_warnings
drop table if exists t1;
--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;

#
# 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;


#
# 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;
drop table t1;