1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
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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 NULL NULL NULL YES BTREE
insert into t values (1,1),(3,1),(5,1);
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 6 NULL NULL BTREE
t 1 x 1 x A NULL NULL NULL YES BTREE
analyze table t;
Table Op Msg_type Msg_text
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 6 NULL NULL BTREE
t 1 x 1 x A 2 NULL NULL YES BTREE
drop table t;
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