database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-12-24 11:21:21 +03:00
Code Activity

Implementation of the MWL#247: Make the optimizer use extended keys.

Browse Source 
The main patch.
.
This commit is contained in:
Igor Babaev
2011-12-31 02:25:57 -08:00
parent 1c47e1ca0d
commit b6b5f9fabe
13 changed files with 10204 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

294
mysql-test/t/innodb_ext_key.test Normal file
View File

@@ -0,0 +1,294 @@
--source include/have_innodb.inc
--disable_warnings
DROP TABLE IF EXISTS t1,t2,t3,t4;
DROP DATABASE IF EXISTS dbt3_s001;
--enable_warnings
SET SESSION STORAGE_ENGINE='InnoDB';
CREATE DATABASE dbt3_s001;
use dbt3_s001;
--disable_query_log
--disable_result_log
--disable_warnings
--source include/dbt3_s001.inc
--enable_warnings
--enable_result_log
--enable_query_log
set @save_ext_key_optimizer_switch=@@optimizer_switch;
set optimizer_switch='extended_keys=off';
explain
select count(*) from lineitem where l_orderkey=130 and l_shipdate='1992-07-01';
flush status;
select count(*) from lineitem where l_orderkey=130 and l_shipdate='1992-07-01';
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select count(*) from lineitem where l_orderkey=130 and l_shipdate='1992-07-01';
flush status;
select count(*) from lineitem where l_orderkey=130 and l_shipdate='1992-07-01';
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select count(*) from lineitem
where l_orderkey=130 and l_linenumber=2 and l_shipdate='1992-07-01';
flush status;
select count(*) from lineitem
where l_orderkey=130 and l_linenumber=2 and l_shipdate='1992-07-01';
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select count(*) from lineitem
where l_orderkey=130 and l_linenumber=2 and l_shipdate='1992-07-01';
flush status;
select count(*) from lineitem
where l_orderkey=130 and l_linenumber=2 and l_shipdate='1992-07-01';
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select count(*) from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000;
flush status;
select count(*) from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select count(*) from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000;
flush status;
select count(*) from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select l_orderkey, l_linenumber from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1001 and 2000;
flush status;
select l_orderkey, l_linenumber from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1001 and 2000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select l_orderkey, l_linenumber from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1001 and 2000;
flush status;
select l_orderkey, l_linenumber from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1001 and 2000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select min(l_orderkey) from lineitem where l_shipdate='1992-07-01';
flush status;
select min(l_orderkey) from lineitem where l_shipdate='1992-07-01';
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select min(l_orderkey) from lineitem where l_shipdate='1992-07-01';
flush status;
select min(l_orderkey) from lineitem where l_shipdate='1992-07-01';
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select min(l_orderkey) from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1001 and 2000;
flush status;
select min(l_orderkey) from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1001 and 2000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select min(l_orderkey) from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1001 and 2000;
flush status;
select min(l_orderkey) from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1001 and 2000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select max(l_linenumber) from lineitem
where l_shipdate='1992-07-01' and l_orderkey=130;
flush status;
select max(l_linenumber) from lineitem
where l_shipdate='1992-07-01' and l_orderkey=130;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select max(l_linenumber) from lineitem
where l_shipdate='1992-07-01' and l_orderkey=130;
flush status;
select max(l_linenumber) from lineitem
where l_shipdate='1992-07-01' and l_orderkey=130;
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select l_orderkey, l_linenumber
from lineitem use index (i_l_shipdate, i_l_receiptdate)
where l_shipdate='1992-07-01' and l_orderkey=130
or l_receiptdate='1992-07-01' and l_orderkey=5603;
flush status;
select l_orderkey, l_linenumber
from lineitem use index (i_l_shipdate, i_l_receiptdate)
where l_shipdate='1992-07-01' and l_orderkey=130
or l_receiptdate='1992-07-01' and l_orderkey=5603;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select l_orderkey, l_linenumber
from lineitem use index (i_l_shipdate, i_l_receiptdate)
where l_shipdate='1992-07-01' and l_orderkey=130
or l_receiptdate='1992-07-01' and l_orderkey=5603;
flush status;
select l_orderkey, l_linenumber
from lineitem use index (i_l_shipdate, i_l_receiptdate)
where l_shipdate='1992-07-01' and l_orderkey=130
or l_receiptdate='1992-07-01' and l_orderkey=5603;
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select l_orderkey, l_linenumber
from lineitem use index (i_l_shipdate, i_l_receiptdate)
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000
or l_receiptdate='1992-07-01' and l_orderkey between 5001 and 6000;
flush status;
select l_orderkey, l_linenumber
from lineitem use index (i_l_shipdate, i_l_receiptdate)
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000
or l_receiptdate='1992-07-01' and l_orderkey between 5001 and 6000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select l_orderkey, l_linenumber
from lineitem use index (i_l_shipdate, i_l_receiptdate)
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000
or l_receiptdate='1992-07-01' and l_orderkey between 5001 and 6000;
flush status;
select l_orderkey, l_linenumber
from lineitem use index (i_l_shipdate, i_l_receiptdate)
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000
or l_receiptdate='1992-07-01' and l_orderkey between 5001 and 6000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
explain
select l_orderkey, l_linenumber from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000
or l_receiptdate='1992-07-01' and l_orderkey between 5001 and 6000;
flush status;
select l_orderkey, l_linenumber from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000
or l_receiptdate='1992-07-01' and l_orderkey between 5001 and 6000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
explain
select l_orderkey, l_linenumber from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000
or l_receiptdate='1992-07-01' and l_orderkey between 5001 and 6000;
flush status;
select l_orderkey, l_linenumber from lineitem
where l_shipdate='1992-07-01' and l_orderkey between 1 and 1000
or l_receiptdate='1992-07-01' and l_orderkey between 5001 and 6000;
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
--replace_column 9 #
explain
select max(l_orderkey) from lineitem
where l_partkey between 1 and 10 group by l_partkey;
flush status;
select max(l_orderkey) from lineitem
where l_partkey between 1 and 10 group by l_partkey;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
--replace_column 9 #
explain
select max(l_orderkey) from lineitem
where l_partkey between 1 and 10 group by l_partkey;
flush status;
select max(l_orderkey) from lineitem
where l_partkey between 1 and 10 group by l_partkey;
show status like 'handler_read%';
set optimizer_switch='extended_keys=off';
--replace_column 9 #
explain
select max(l_orderkey) from lineitem
where l_suppkey in (1,4) group by l_suppkey;
flush status;
select max(l_orderkey) from lineitem
where l_suppkey in (1,4) group by l_suppkey;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
--replace_column 9 #
explain
select max(l_orderkey) from lineitem
where l_suppkey in (1,4) group by l_suppkey;
flush status;
select max(l_orderkey) from lineitem
where l_suppkey in (1,4) group by l_suppkey;
show status like 'handler_read%';
create index i_p_retailprice on part(p_retailprice);
set optimizer_switch='extended_keys=off';
--replace_column 9 #
explain
select o_orderkey, p_partkey
from part use index (i_p_retailprice),
lineitem use index (i_l_partkey), orders
where p_retailprice > 1100 and o_orderdate='1997-01-01'
and o_orderkey=l_orderkey and p_partkey=l_partkey;
flush status;
select o_orderkey, p_partkey
from part use index (i_p_retailprice),
lineitem use index (i_l_partkey), orders
where p_retailprice > 1100 and o_orderdate='1997-01-01'
and o_orderkey=l_orderkey and p_partkey=l_partkey;
show status like 'handler_read%';
set optimizer_switch='extended_keys=on';
--replace_column 9 #
explain
select o_orderkey, p_partkey
from part use index (i_p_retailprice),
lineitem use index (i_l_partkey), orders
where p_retailprice > 1100 and o_orderdate='1997-01-01'
and o_orderkey=l_orderkey and p_partkey=l_partkey;
flush status;
select o_orderkey, p_partkey
from part use index (i_p_retailprice),
lineitem use index (i_l_partkey), orders
where p_retailprice > 1100 and o_orderdate='1997-01-01'
and o_orderkey=l_orderkey and p_partkey=l_partkey;
show status like 'handler_read%';
set optimizer_switch=@save_ext_key_optimizer_switch;
DROP DATABASE dbt3_s001;
SET SESSION STORAGE_ENGINE=DEFAULT;