blob: b1c3e679bb8a0c9d4c929405dd842a582dac89ab (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
set default_storage_engine='tokudb';
drop table if exists tt;
set @save_use_stat_tables = @@use_stat_tables;
set @@use_stat_tables = COMPLEMENTARY;
create table tt (a int, b int, primary key(a,b));
insert into tt values (0,0),(0,1),(1,0),(1,1);
show indexes from tt;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
tt 0 PRIMARY 1 a A 4 NULL NULL BTREE
tt 0 PRIMARY 2 b A 4 NULL NULL BTREE
analyze table tt;
Table Op Msg_type Msg_text
test.tt analyze status Engine-independent statistics collected
test.tt analyze status OK
show indexes from tt;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
tt 0 PRIMARY 1 a A 4 NULL NULL BTREE
tt 0 PRIMARY 2 b A 4 NULL NULL BTREE
flush tables;
show indexes from tt;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
tt 0 PRIMARY 1 a A 4 NULL NULL BTREE
tt 0 PRIMARY 2 b A 4 NULL NULL BTREE
set @@use_stat_tables = @save_use_stat_tables;
drop table tt;
|
