blob: 39c59f51b3caccce40b017de16fcf96c6593c066 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
set default_storage_engine='tokudb';
drop table if exists t;
create table t (id int, x int, primary key (id), key (x)) partition by hash(id) partitions 2;
show indexes from t;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t 0 PRIMARY 1 id A 2 NULL NULL BTREE
t 1 x 1 x A 2 NULL NULL YES BTREE
insert into t values (2,1),(4,1),(6,1);
show indexes from t;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t 0 PRIMARY 1 id A 4 NULL NULL BTREE
t 1 x 1 x A 4 NULL NULL YES BTREE
analyze table t;
Table Op Msg_type Msg_text
test.t analyze status Engine-independent statistics collected
test.t analyze status OK
show indexes from t;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t 0 PRIMARY 1 id A 4 NULL NULL BTREE
t 1 x 1 x A 4 NULL NULL YES BTREE
drop table t;
|
