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SET DEFAULT_STORAGE_ENGINE = 'tokudb';
DROP TABLE IF EXISTS foo;
create table foo (a int, b bigint, c int, primary key (a))engine=TokuDB;
insert into foo values (1,10,100),(2,20,200),(3,30,300),(4,40,400),(5,50,500),(6,60,600);
select * from foo;
a b c
1 10 100
2 20 200
3 30 300
4 40 400
5 50 500
6 60 600
select a from foo;
a
1
2
3
4
5
6
select * from foo where a > 2;
a b c
3 30 300
4 40 400
5 50 500
6 60 600
select a from foo where a > 2;
a
3
4
5
6
select count(*) from foo;
count(*)
6
alter table foo add index b(b);
select b from foo;
b
10
20
30
40
50
60
explain select * from foo where b > 30;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE foo range b b 9 NULL 3 Using where
select * from foo where b > 30;
a b c
4 40 400
5 50 500
6 60 600
alter table foo drop index b;
alter table foo add index c(c) clustering=yes;
select c from foo;
c
100
200
300
400
500
600
explain select * from foo where c > 300;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE foo range c c 5 NULL 3 Using where; Using index
select * from foo where c > 300;
a b c
4 40 400
5 50 500
6 60 600
drop table foo;
create table foo (a int, b int);
insert into foo values (1,10),(2,20),(3,30),(4,40),(5,50),(6,60);
select * from foo;
a b
1 10
2 20
3 30
4 40
5 50
6 60
select a from foo;
a
1
2
3
4
5
6
select b from foo;
b
10
20
30
40
50
60
select count(*) from foo;
count(*)
6
drop table foo;
create table foo (a int, b varchar(10), c blob, d bigint, e varchar(10), f mediumblob)engine=TokuDB;
insert into foo values(1,"bb","ccccc",100,"eee","fffffffffffffffffffff");
select * from foo;
a b c d e f
1 bb ccccc 100 eee fffffffffffffffffffff
select a,d from foo;
a d
1 100
select b,e from foo;
b e
bb eee
select c,f from foo;
c f
ccccc fffffffffffffffffffff
select d from foo;
d
100
select e from foo;
e
eee
select f from foo;
f
fffffffffffffffffffff
select a from foo;
a
1
select b from foo;
b
bb
select c from foo;
c
ccccc
select b,c,e,f from foo;
b c e f
bb ccccc eee fffffffffffffffffffff
select a,b,d,e from foo;
a b d e
1 bb 100 eee
select a,d,c,f from foo;
a d c f
1 100 ccccc fffffffffffffffffffff
DROP TABLE foo;
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