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SET DEFAULT_STORAGE_ENGINE='tokudb';
*** Bug #22169 ***
DROP TABLE IF EXISTS t1;
create table t1 (a varchar(10), b varchar(255), c varchar(10), d varchar(300), e varchar(10), f varchar(20), primary key (c), key (b) clustering=yes, key (d,a) clustering=yes);
insert into t1 values ("1","10","100","1000","10000","100000");
insert into t1 values ("2","20","200","2000","20000","200000");
insert into t1 values ("3","30","300","3000","30000","300000");
insert into t1 values ("4","40","400","4000","40000","400000");
insert into t1 values ("5","50","500","5000","50000","500000");
explain select * from t1 where c > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index PRIMARY b NULL NULL NULL; Using where; Using index
select * from t1;
a b c d e f
1 10 100 1000 10000 100000
2 20 200 2000 20000 200000
3 30 300 3000 30000 300000
4 40 400 4000 40000 400000
5 50 500 5000 50000 500000
explain select * from t1 where b > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index b b NULL NULL NULL; Using where; Using index
select * from t1 where b > "0";
a b c d e f
1 10 100 1000 10000 100000
2 20 200 2000 20000 200000
3 30 300 3000 30000 300000
4 40 400 4000 40000 400000
5 50 500 5000 50000 500000
explain select * from t1 where d > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index d d NULL NULL NULL; Using where; Using index
select * from t1 where d > "0";
a b c d e f
1 10 100 1000 10000 100000
2 20 200 2000 20000 200000
3 30 300 3000 30000 300000
4 40 400 4000 40000 400000
5 50 500 5000 50000 500000
explain select a from t1 where d > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index d d NULL NULL NULL; Using where; Using index
select a from t1 where d > "0";
a
1
2
3
4
5
select e,f from t1 where c > "0";
e f
10000 100000
20000 200000
30000 300000
40000 400000
50000 500000
select e,f from t1 where b > "0";
e f
10000 100000
20000 200000
30000 300000
40000 400000
50000 500000
select e,f from t1 where d > "0";
e f
10000 100000
20000 200000
30000 300000
40000 400000
50000 500000
update t1 set a = a+1, b = b+10;
explain select * from t1 where c > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index PRIMARY b NULL NULL NULL; Using where; Using index
select * from t1 where c > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
4 40 300 3000 30000 300000
5 50 400 4000 40000 400000
6 60 500 5000 50000 500000
explain select * from t1 where b > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index b b NULL NULL NULL; Using where; Using index
select * from t1 where b > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
4 40 300 3000 30000 300000
5 50 400 4000 40000 400000
6 60 500 5000 50000 500000
explain select * from t1 where d > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index d d NULL NULL NULL; Using where; Using index
select * from t1 where d > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
4 40 300 3000 30000 300000
5 50 400 4000 40000 400000
6 60 500 5000 50000 500000
explain select a from t1 where d > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index d d NULL NULL NULL; Using where; Using index
select a from t1 where d > "0";
a
2
3
4
5
6
select e,f from t1 where c > "0";
e f
10000 100000
20000 200000
30000 300000
40000 400000
50000 500000
select e,f from t1 where b > "0";
e f
10000 100000
20000 200000
30000 300000
40000 400000
50000 500000
select e,f from t1 where d > "0";
e f
10000 100000
20000 200000
30000 300000
40000 400000
50000 500000
delete from t1 where b > 35;
explain select * from t1 where c > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index PRIMARY b NULL NULL NULL; Using where; Using index
select * from t1 where c > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
explain select * from t1 where b > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index b b NULL NULL NULL; Using where; Using index
select * from t1 where b > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
explain select * from t1 where d > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index d d NULL NULL NULL; Using where; Using index
select * from t1 where d > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
explain select a from t1 where d > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index d d NULL NULL NULL; Using where; Using index
select a from t1 where d > "0";
a
2
3
select e,f from t1 where c > "0";
e f
10000 100000
20000 200000
select e,f from t1 where b > "0";
e f
10000 100000
20000 200000
select e,f from t1 where d > "0";
e f
10000 100000
20000 200000
alter table t1 drop index b, drop index d;
alter table t1 add key d(d,a) clustering=yes, add key b(b) clustering=yes;
explain select * from t1 where c > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index PRIMARY d NULL NULL NULL; Using where; Using index
select * from t1 where c > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
explain select * from t1 where b > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 # b b NULL NULL NULL; Using where; Using index
select * from t1 where b > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
explain select * from t1 where d > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 # d d NULL NULL NULL; Using where; Using index
select * from t1 where d > "0";
a b c d e f
2 20 100 1000 10000 100000
3 30 200 2000 20000 200000
explain select a from t1 where d > "0";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 NULL d d NULL NULL NULL; Using where; Using index
select a from t1 where d > "0";
a
2
3
select e,f from t1 where c > "0";
e f
10000 100000
20000 200000
select e,f from t1 where b > "0";
e f
10000 100000
20000 200000
select e,f from t1 where d > "0";
e f
10000 100000
20000 200000
DROP TABLE t1;
|
