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|
--disable_warnings
DROP DATABASE IF EXISTS dbt3_s001;
--enable_warnings
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
CREATE INDEX i_l_quantity ON lineitem(l_quantity);
CREATE INDEX i_o_totalprice ON orders(o_totalprice);
set @save_use_stat_tables= @@use_stat_tables;
set @@use_stat_tables=preferably;
--disable_result_log
--disable_warnings
ANALYZE TABLE lineitem, orders;
--enable_warnings
--enable_result_log
show create table lineitem;
show create table orders;
set optimizer_use_condition_selectivity=2;
let $with_filter=
set statement optimizer_switch='rowid_filter=on' for;
let $without_filter=
set statement optimizer_switch='rowid_filter=off' for;
select
100 *
(select count(*) from lineitem
WHERE l_shipdate BETWEEN '1997-01-01' AND '1997-06-30' AND l_quantity > 47
)
/
(select count(*) from lineitem
where l_shipdate BETWEEN '1997-01-01' AND '1997-06-30')
as correct_r_filtered_when_using_l_shipdate;
let $q1=
SELECT l_orderkey, l_linenumber, l_shipdate, l_quantity FROM lineitem
WHERE l_shipdate BETWEEN '1997-01-01' AND '1997-06-30' AND
l_quantity > 47;
eval $with_filter EXPLAIN $q1;
--source include/explain-no-costs.inc
eval $with_filter EXPLAIN FORMAT=JSON $q1;
eval $with_filter ANALYZE $q1;
--source include/analyze-format.inc
eval $with_filter ANALYZE FORMAT=JSON $q1;
--sorted_result
eval $with_filter $q1;
eval $without_filter EXPLAIN $q1;
--source include/explain-no-costs.inc
eval $without_filter EXPLAIN FORMAT=JSON $q1;
eval $without_filter ANALYZE $q1;
--source include/analyze-format.inc
eval $without_filter ANALYZE FORMAT=JSON $q1;
--sorted_result
eval $without_filter $q1;
let $q2=
SELECT o_orderkey, l_linenumber, l_shipdate, o_totalprice
FROM orders JOIN lineitem ON o_orderkey=l_orderkey
WHERE l_shipdate BETWEEN '1997-01-01' AND '1997-01-31' AND
o_totalprice between 200000 and 230000;
eval $with_filter EXPLAIN $q2;
--source include/explain-no-costs.inc
eval $with_filter EXPLAIN FORMAT=JSON $q2;
eval $with_filter ANALYZE $q2;
--source include/analyze-format.inc
eval $with_filter ANALYZE FORMAT=JSON $q2;
--sorted_result
eval $with_filter $q2;
eval $without_filter EXPLAIN $q2;
--source include/explain-no-costs.inc
eval $without_filter EXPLAIN FORMAT=JSON $q2;
eval $without_filter ANALYZE $q2;
--source include/analyze-format.inc
eval $without_filter ANALYZE FORMAT=JSON $q2;
--sorted_result
eval $without_filter $q2;
let $q3=
SELECT o_orderkey, l_linenumber, l_shipdate, l_quantity, o_totalprice
FROM orders JOIN lineitem ON o_orderkey=l_orderkey
WHERE l_shipdate BETWEEN '1997-01-01' AND '1997-06-30' AND
l_quantity > 47 AND
o_totalprice between 180000 and 230000;
eval $with_filter EXPLAIN $q3;
--source include/explain-no-costs.inc
eval $with_filter EXPLAIN FORMAT=JSON $q3;
eval $with_filter ANALYZE $q3;
--source include/analyze-format.inc
eval $with_filter ANALYZE FORMAT=JSON $q3;
--sorted_result
eval $with_filter $q3;
eval $without_filter EXPLAIN $q3;
--source include/explain-no-costs.inc
eval $without_filter EXPLAIN FORMAT=JSON $q3;
eval $without_filter ANALYZE $q3;
--source include/analyze-format.inc
eval $without_filter ANALYZE FORMAT=JSON $q3;
--sorted_result
eval $without_filter $q3;
# Check different optimization
eval $with_filter EXPLAIN SELECT STRAIGHT_JOIN o_orderkey, l_linenumber, l_shipdate, l_quantity, o_totalprice
FROM lineitem JOIN orders ON o_orderkey=l_orderkey
WHERE l_shipdate BETWEEN '1997-01-01' AND '1997-06-30' AND
l_quantity > 47 AND
o_totalprice between 180000 and 230000;
let $q4=
SELECT o_orderkey, l_linenumber, l_shipdate, o_totalprice
FROM orders JOIN lineitem ON o_orderkey=l_orderkey
WHERE l_shipdate BETWEEN '1997-01-01' AND '1997-06-30' AND
o_totalprice between 200000 and 230000;
eval $with_filter EXPLAIN $q4;
--source include/explain-no-costs.inc
eval $with_filter EXPLAIN FORMAT=JSON $q4;
eval $with_filter ANALYZE $q4;
--source include/analyze-format.inc
eval $with_filter ANALYZE FORMAT=JSON $q4;
--sorted_result
eval $with_filter $q4;
eval $without_filter EXPLAIN $q4;
--source include/explain-no-costs.inc
eval $without_filter EXPLAIN FORMAT=JSON $q4;
eval $without_filter ANALYZE $q4;
--source include/analyze-format.inc
eval $without_filter ANALYZE FORMAT=JSON $q4;
--sorted_result
eval $without_filter $q4;
--echo #
--echo # MDEV-18413: find constraint correlated indexes
--echo #
ALTER TABLE lineitem ADD CONSTRAINT l_date CHECK(l_shipdate < l_receiptdate);
--echo # Filter on l_shipdate is not used because it participates in
--echo # the same constraint as l_receiptdate.
--echo # Access is made on l_receiptdate.
let $q5=
SELECT l_shipdate, l_receiptdate, o_totalprice
FROM orders, lineitem
WHERE o_orderkey=l_orderkey AND
l_shipdate BETWEEN '1996-10-01' AND '1996-10-10' AND
l_receiptdate BETWEEN '1996-10-05' AND '1996-10-10' AND
o_totalprice BETWEEN 200000 AND 250000;
eval $with_filter EXPLAIN $q5;
--source include/explain-no-costs.inc
eval $with_filter EXPLAIN FORMAT=JSON $q5;
eval $with_filter ANALYZE $q5;
--source include/analyze-format.inc
eval $with_filter ANALYZE FORMAT=JSON $q5;
--sorted_result
eval $with_filter $q5;
eval $without_filter EXPLAIN $q5;
--source include/explain-no-costs.inc
eval $without_filter EXPLAIN FORMAT=JSON $q5;
eval $without_filter ANALYZE $q5;
--source include/analyze-format.inc
eval $without_filter ANALYZE FORMAT=JSON $q5;
--sorted_result
eval $without_filter $q5;
ALTER TABLE orders ADD COLUMN o_totaldiscount double;
UPDATE orders SET o_totaldiscount = o_totalprice*(o_custkey/1000);
CREATE INDEX i_o_totaldiscount on orders(o_totaldiscount);
ALTER TABLE orders ADD CONSTRAINT o_price CHECK(o_totalprice > o_totaldiscount);
--echo # Filter on o_totalprice is not used because it participates in
--echo # the same constraint as o_discount.
--echo # Access is made on o_discount.
let $q6=
SELECT o_totaldiscount, o_totalprice, l_shipdate
FROM orders, lineitem
WHERE o_orderkey=l_orderkey AND
o_totaldiscount BETWEEN 18000 AND 20000 AND
o_totalprice BETWEEN 200000 AND 220000 AND
l_shipdate BETWEEN '1996-10-01' AND '1996-12-01';
eval $with_filter EXPLAIN $q6;
--source include/explain-no-costs.inc
eval $with_filter EXPLAIN FORMAT=JSON $q6;
eval $with_filter ANALYZE $q6;
--source include/analyze-format.inc
eval $with_filter ANALYZE FORMAT=JSON $q6;
--sorted_result
eval $with_filter $q6;
eval $without_filter EXPLAIN $q6;
--source include/explain-no-costs.inc
eval $without_filter EXPLAIN FORMAT=JSON $q6;
eval $without_filter ANALYZE $q6;
--source include/analyze-format.inc
eval $without_filter ANALYZE FORMAT=JSON $q6;
--sorted_result
eval $without_filter $q6;
CREATE VIEW v1 AS
SELECT * FROM orders
WHERE o_orderdate BETWEEN '1992-12-01' AND '1997-01-01';
let $q7=
SELECT o_totaldiscount, o_totalprice, l_shipdate
FROM v1, lineitem
WHERE o_orderkey=l_orderkey AND
o_totaldiscount BETWEEN 18000 AND 20000 AND
o_totalprice BETWEEN 200000 AND 220000 AND
l_shipdate BETWEEN '1996-10-01' AND '1996-12-01';
eval $with_filter EXPLAIN $q7;
--source include/explain-no-costs-filtered.inc
eval $with_filter EXPLAIN FORMAT=JSON $q7;
--replace_column 11 #
eval $with_filter ANALYZE $q7;
--source include/analyze-no-filtered.inc
eval $with_filter ANALYZE FORMAT=JSON $q7;
--sorted_result
eval $with_filter $q7;
eval $without_filter EXPLAIN $q7;
--source include/explain-no-costs-filtered.inc
eval $without_filter EXPLAIN FORMAT=JSON $q7;
--replace_column 11 #
eval $without_filter ANALYZE $q7;
--source include/analyze-no-filtered.inc
eval $without_filter ANALYZE FORMAT=JSON $q7;
--sorted_result
eval $without_filter $q7;
ALTER TABLE lineitem DROP CONSTRAINT l_date;
ALTER TABLE orders DROP CONSTRAINT o_price;
ALTER TABLE orders DROP COLUMN o_totaldiscount;
DROP VIEW v1;
DROP DATABASE dbt3_s001;
use test;
|
