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SET DEFAULT_STORAGE_ENGINE = 'tokudb';
DROP TABLE IF EXISTS foo;
create table foo (a int, b int, c int, d int, primary key (a), key (b), key (c) clustering=yes) engine=TokuDB;
insert into foo values (1,10,100,1000),(2,20,200,2000),(3,30,300,3000),(4,40,400,4000),(5,50,500,5000);
select * from foo use index ();
a b c d
1 10 100 1000
2 20 200 2000
3 30 300 3000
4 40 400 4000
5 50 500 5000
select b,a from foo;
b a
10 1
20 2
30 3
40 4
50 5
select * from foo order by c desc;
a b c d
5 50 500 5000
4 40 400 4000
3 30 300 3000
2 20 200 2000
1 10 100 1000
alter table foo drop primary key;
select * from foo use index ();
a b c d
1 10 100 1000
2 20 200 2000
3 30 300 3000
4 40 400 4000
5 50 500 5000
select b from foo;
b
10
20
30
40
50
select * from foo order by c desc;
a b c d
5 50 500 5000
4 40 400 4000
3 30 300 3000
2 20 200 2000
1 10 100 1000
drop table foo;
create table foo (a int, primary key (a))engine=TOkuDB;
insert into foo values (1),(2),(3),(4);
select * from foo;
a
1
2
3
4
insert into foo values (2);
ERROR 23000: Duplicate entry '2' for key 'PRIMARY'
insert ignore into foo values (5),(2),(6);
select * From foo;
a
1
2
3
4
5
6
alter table foo drop primary key;
alter table foo add unique index (a);
insert into foo values (3);
ERROR 23000: Duplicate entry '3' for key 'a'
insert ignore into foo values (7),(2),(8);
select * from foo;
a
1
2
3
4
5
6
7
8
drop table foo;
create table foo (a int, b int, c int, d int, primary key (a), key (b), key (c) clustering=yes)engine=TokuDB;
insert into foo values (1,10,100,1000),(2,20,200,2000),(3,30,300,3000),(4,40,400,4000),(5,50,500,5000);
select * from foo;
a b c d
1 10 100 1000
2 20 200 2000
3 30 300 3000
4 40 400 4000
5 50 500 5000
update foo set b=b+1;
select * From foo;
a b c d
1 11 100 1000
2 21 200 2000
3 31 300 3000
4 41 400 4000
5 51 500 5000
select b,a from foo;
b a
11 1
21 2
31 3
41 4
51 5
update foo set c=c+1;
select * from foo;
a b c d
1 11 101 1000
2 21 201 2000
3 31 301 3000
4 41 401 4000
5 51 501 5000
select c,a from foo order by c desc;
c a
501 5
401 4
301 3
201 2
101 1
update foo set a=a+1 where a=5;
select * from foo;
a b c d
1 11 101 1000
2 21 201 2000
3 31 301 3000
4 41 401 4000
6 51 501 5000
select a from foo;
a
1
2
3
4
6
delete from foo where a > 3;
select * from foo;
a b c d
1 11 101 1000
2 21 201 2000
3 31 301 3000
select b,a from foo;
b a
11 1
21 2
31 3
select * from foo order by c desc;
a b c d
3 31 301 3000
2 21 201 2000
1 11 101 1000
DROP TABLE foo;
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