mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 12:56:14 +01:00
9854fb6fa7
This patch adds for "--ps-protocol" second execution of queries "SELECT". Also in this patch it is added ability to disable/enable (--disable_ps2_protocol/--enable_ps2_protocol) second execution for "--ps-prototocol" in testcases.
459 lines
9.2 KiB
Text
459 lines
9.2 KiB
Text
#
|
|
# MDEV-12176 Transform [NOT] IN predicate with long list of values INTO [NOT] IN subquery
|
|
#
|
|
source include/have_debug.inc;
|
|
source include/default_optimizer_switch.inc;
|
|
source include/have_sequence.inc;
|
|
|
|
create table t1 (a int, b int);
|
|
|
|
insert into t1
|
|
values (1,2), (4,6), (9,7),
|
|
(1,1), (2,5), (7,8);
|
|
|
|
create table t2 (a int, b int, c int);
|
|
|
|
insert into t2
|
|
values (1,2,3), (5,1,2), (4,3,7),
|
|
(8,9,0), (10,7,1), (5,5,1);
|
|
|
|
create table t3 (a int, b varchar(16), index idx(a));
|
|
insert into t3 values
|
|
(1, "abc"), (3, "egh"), (8, "axxx"), (10, "abc"),
|
|
(2, "ccw"), (8, "wqqe"), (7, "au"), (9, "waa"),
|
|
(3, "rass"), (9, "ert"), (9, "lok"), (8, "aww"),
|
|
(1, "todd"), (3, "rew"), (8, "aww"), (3, "sw"),
|
|
(11, "llk"), (7, "rbw"), (1, "sm"), (2, "jyp"),
|
|
(4, "yq"), (5, "pled"), (12, "ligin"), (12, "toww"),
|
|
(6, "mxm"), (15, "wanone"), (9, "sunqq"), (2, "abe");
|
|
|
|
--echo # optimization is not used
|
|
|
|
let $query= select * from t1 where a in (1,2);
|
|
eval $query;
|
|
eval explain extended $query;
|
|
|
|
--echo # set minimum number of values in VALUEs list when optimization works to 2
|
|
|
|
set @@in_predicate_conversion_threshold= 2;
|
|
|
|
--echo # single IN-predicate in WHERE-part
|
|
|
|
let $query= select * from t1 where a in (1,2);
|
|
|
|
let $optimized_query=
|
|
select * from t1
|
|
where a in
|
|
(
|
|
select *
|
|
from (values (1),(2)) as tvc_0
|
|
);
|
|
|
|
eval $query;
|
|
eval $optimized_query;
|
|
eval explain extended $query;
|
|
eval explain extended $optimized_query;
|
|
|
|
--echo # AND-condition with IN-predicates in WHERE-part
|
|
|
|
let $query=
|
|
select * from t1
|
|
where a in (1,2) and
|
|
b in (1,5);
|
|
|
|
let $optimized_query=
|
|
select * from t1
|
|
where a in
|
|
(
|
|
select *
|
|
from (values (1),(2)) as tvc_0
|
|
)
|
|
and b in
|
|
(
|
|
select *
|
|
from (values (1),(5)) as tvc_1
|
|
);
|
|
|
|
eval $query;
|
|
eval $optimized_query;
|
|
eval explain extended $query;
|
|
eval explain extended $optimized_query;
|
|
|
|
--echo # subquery with IN-predicate
|
|
|
|
let $query=
|
|
select * from t1
|
|
where a in
|
|
(
|
|
select a
|
|
from t2 where b in (3,4)
|
|
);
|
|
|
|
let $optimized_query=
|
|
select * from t1
|
|
where a in
|
|
(
|
|
select a from t2
|
|
where b in
|
|
(
|
|
select *
|
|
from (values (3),(4)) as tvc_0
|
|
)
|
|
);
|
|
|
|
eval $query;
|
|
eval $optimized_query;
|
|
eval explain extended $query;
|
|
eval explain extended $optimized_query;
|
|
|
|
--echo # derived table with IN-predicate
|
|
|
|
let $query=
|
|
select * from
|
|
(
|
|
select *
|
|
from t1
|
|
where a in (1,2)
|
|
) as dr_table;
|
|
|
|
let $optimized_query=
|
|
select * from
|
|
(
|
|
select *
|
|
from t1
|
|
where a in
|
|
(
|
|
select *
|
|
from (values (1),(2))
|
|
as tvc_0
|
|
)
|
|
) as dr_table;
|
|
|
|
eval $query;
|
|
eval $optimized_query;
|
|
eval explain extended $query;
|
|
eval explain extended $optimized_query;
|
|
|
|
--echo # non-recursive CTE with IN-predicate
|
|
|
|
let $cte_query=
|
|
with tvc_0 as
|
|
(
|
|
select *
|
|
from t1
|
|
where a in (1,2)
|
|
)
|
|
select * from tvc_0;
|
|
|
|
eval $cte_query;
|
|
eval $optimized_query;
|
|
eval explain extended $cte_query;
|
|
eval explain extended $optimized_query;
|
|
|
|
--echo # VIEW with IN-predicate
|
|
|
|
create view v1 as
|
|
select *
|
|
from t1
|
|
where a in (1,2);
|
|
|
|
create view v2 as
|
|
select *
|
|
from t1
|
|
where a in
|
|
(
|
|
select *
|
|
from (values (1),(2))
|
|
as tvc_0
|
|
)
|
|
;
|
|
|
|
let $query= select * from v1;
|
|
let $optimized_query= select * from v2;
|
|
|
|
eval $query;
|
|
eval $optimized_query;
|
|
eval explain extended $query;
|
|
eval explain extended $optimized_query;
|
|
|
|
drop view v1,v2;
|
|
|
|
--echo # subselect defined by derived table with IN-predicate
|
|
|
|
let $query=
|
|
select * from t1
|
|
where a in
|
|
(
|
|
select 1
|
|
from
|
|
(
|
|
select *
|
|
from t1
|
|
where a in (1,2)
|
|
)
|
|
as dr_table
|
|
);
|
|
|
|
let $optimized_query=
|
|
select * from t1
|
|
where a in
|
|
(
|
|
select 1
|
|
from
|
|
(
|
|
select *
|
|
from t1
|
|
where a in
|
|
(
|
|
select *
|
|
from (values (1),(2))
|
|
as tvc_0
|
|
)
|
|
)
|
|
as dr_table
|
|
);
|
|
|
|
eval $query;
|
|
eval $optimized_query;
|
|
eval explain extended $query;
|
|
eval explain extended $optimized_query;
|
|
|
|
--echo # derived table with IN-predicate and group by
|
|
|
|
let $query=
|
|
select * from
|
|
(
|
|
select max(a),b
|
|
from t1
|
|
where b in (3,5)
|
|
group by b
|
|
) as dr_table;
|
|
|
|
let $optimized_query=
|
|
select * from
|
|
(
|
|
select max(a),b
|
|
from t1
|
|
where b in
|
|
(
|
|
select *
|
|
from (values (3),(5))
|
|
as tvc_0
|
|
)
|
|
group by b
|
|
) as dr_table;
|
|
|
|
eval $query;
|
|
eval $optimized_query;
|
|
eval explain extended $query;
|
|
eval explain extended $optimized_query;
|
|
|
|
--echo # prepare statement
|
|
|
|
prepare stmt from "select * from t1 where a in (1,2)";
|
|
execute stmt;
|
|
execute stmt;
|
|
deallocate prepare stmt;
|
|
|
|
--echo # use inside out access from tvc rows
|
|
|
|
let $query= select * from t3 where a in (1,4);
|
|
set @@in_predicate_conversion_threshold= default;
|
|
eval $query;
|
|
eval explain extended $query;
|
|
set @@in_predicate_conversion_threshold= 2;
|
|
eval $query;
|
|
eval explain extended $query;
|
|
|
|
--echo # use vectors in IN predeicate
|
|
|
|
set @@in_predicate_conversion_threshold= 4;
|
|
|
|
let $query=
|
|
select * from t1 where (a,b) in ((1,2),(3,4));
|
|
|
|
eval $query;
|
|
eval explain extended $query;
|
|
set @@in_predicate_conversion_threshold= 2;
|
|
|
|
--echo # trasformation works for the one IN predicate and doesn't work for the other
|
|
|
|
set @@in_predicate_conversion_threshold= 5;
|
|
|
|
let $query=
|
|
select * from t2
|
|
where (a,b) in ((1,2),(8,9)) and
|
|
(a,c) in ((1,3),(8,0),(5,1));
|
|
|
|
eval $query;
|
|
eval explain extended $query;
|
|
set @@in_predicate_conversion_threshold= 2;
|
|
|
|
--echo #
|
|
--echo # mdev-14281: conversion of NOT IN predicate into subquery predicate
|
|
--echo #
|
|
|
|
let $query=
|
|
select * from t1
|
|
where (a,b) not in ((1,2),(8,9), (5,1));
|
|
let $optimized_query=
|
|
select * from t1
|
|
where (a,b) not in (select * from (values (1,2),(8,9), (5,1)) as tvc_0);
|
|
|
|
eval $query;
|
|
eval $optimized_query;
|
|
eval explain extended $query;
|
|
eval explain extended $optimized_query;
|
|
|
|
let $query=
|
|
select * from t1
|
|
where b < 7 and (a,b) not in ((1,2),(8,9), (5,1));
|
|
eval $query;
|
|
eval explain extended $query;
|
|
|
|
let $query=
|
|
select * from t2
|
|
where (a,c) not in ((1,2),(8,9), (5,1));
|
|
eval $query;
|
|
eval explain extended $query;
|
|
|
|
drop table t1, t2, t3;
|
|
|
|
set @@in_predicate_conversion_threshold= default;
|
|
|
|
--echo #
|
|
--echo # MDEV-14947: conversion to TVC with only NULL values
|
|
--echo #
|
|
|
|
CREATE TABLE t1 (i INT);
|
|
INSERT INTO t1 VALUES (3), (2), (7);
|
|
|
|
let $q=
|
|
SELECT * FROM t1 WHERE i IN (NULL, NULL, NULL, NULL, NULL);
|
|
|
|
eval $q;
|
|
eval EXPLAIN EXTENDED $q;
|
|
|
|
SET in_predicate_conversion_threshold= 5;
|
|
|
|
eval $q;
|
|
eval EXPLAIN EXTENDED $q;
|
|
|
|
SET in_predicate_conversion_threshold= default;
|
|
|
|
DROP TABLE t1;
|
|
|
|
--echo #
|
|
--echo # MDEV-14835: conversion to TVC with BIGINT or YEAR values
|
|
--echo #
|
|
|
|
#Enable after fix MDEV-31178
|
|
--disable_ps2_protocol
|
|
SET @@in_predicate_conversion_threshold= 2;
|
|
|
|
CREATE TABLE t1 (a BIGINT);
|
|
CREATE TABLE t2 (y YEAR);
|
|
|
|
INSERT INTO t1 VALUES (1), (2), (3);
|
|
INSERT INTO t2 VALUES (2009), (2010), (2011);
|
|
|
|
SELECT * FROM t1 WHERE a IN ('1','5','3');
|
|
|
|
SELECT * FROM t2 WHERE y IN ('2009','2011');
|
|
|
|
DROP TABLE t1,t2;
|
|
|
|
SET @@in_predicate_conversion_threshold= default;
|
|
--enable_ps2_protocol
|
|
|
|
--echo #
|
|
--echo # MDEV-17222: conversion to TVC with no names for constants
|
|
--echo # conversion to TVC with the same constants in the first row
|
|
--echo #
|
|
|
|
SET @@in_predicate_conversion_threshold= 2;
|
|
|
|
CREATE TABLE t1 (f BINARY(16)) ENGINE=MYISAM;
|
|
INSERT INTO t1 VALUES
|
|
(x'BAE56AF2B1C2397D99D58E2A06761DDB'), (x'9B9B698BCCB939EE8F1EA56C1A2E5DAA'),
|
|
(x'A0A1C4FE39A239BABD3E0D8985E6BEA5');
|
|
|
|
SELECT COUNT(*) FROM t1 WHERE f IN
|
|
(x'9B9B698BCCB939EE8F1EA56C1A2E5DAA', x'E2362DBAB5EA30B5804917A0A7D881E2',
|
|
x'B78B2EEAD13635088D93EA3309E24802', x'BAE56AF2B1C2397D99D58E2A06761DDB');
|
|
|
|
CREATE TABLE t2 (f1 BINARY(16), f2 BINARY(16)) ENGINE=MYISAM;
|
|
INSERT INTO t2 VALUES
|
|
(x'55FB3B14D6B83D39859E42533906350D', x'00F3458C47FA39DDBEAD918A13F8342E'),
|
|
(x'86052C062AAF368D84247ED0F6346A70', x'BF5C35045C6037C79E11026ABB9A3A4E');
|
|
|
|
SELECT COUNT(*) FROM t2 WHERE (f1,f2) IN
|
|
((x'9B9B698BCCB939EE8F1EA56C1A2E5DAA', x'E2362DBAB5EA30B5804917A0A7D881E2'),
|
|
(x'B78B2EEAD13635088D93EA3309E24802', x'BAE56AF2B1C2397D99D58E2A06761DDB'),
|
|
(x'55FB3B14D6B83D39859E42533906350D', x'00F3458C47FA39DDBEAD918A13F8342E'),
|
|
(x'1606014E7C4A312F83EDC9D91BBFCACA', x'33F6068E56FD3A1D8326517F0D81CB5A'));
|
|
|
|
CREATE TABLE t3 (f1 int, f2 int) ENGINE=MYISAM;
|
|
INSERT INTO t3 VALUES (2,5), (2,3), (1,2), (7,8), (1,1);
|
|
|
|
SELECT * FROM t3 WHERE (f1,f2) IN ((2, 2), (1, 2), (3, 5), (1, 1));
|
|
|
|
DROP TABLE t1,t2,t3;
|
|
|
|
SET @@in_predicate_conversion_threshold= default;
|
|
|
|
--echo #
|
|
--echo # MDEV-20900: IN predicate to IN subquery conversion causes performance regression
|
|
--echo #
|
|
|
|
create table t1(a int, b int);
|
|
insert into t1 select seq-1, seq-1 from seq_1_to_10;
|
|
|
|
set in_predicate_conversion_threshold=2;
|
|
|
|
let $query= select * from t1 where t1.a IN ("1","2","3","4");
|
|
eval explain $query;
|
|
eval $query;
|
|
|
|
set in_predicate_conversion_threshold=0;
|
|
eval explain $query;
|
|
eval $query;
|
|
|
|
set in_predicate_conversion_threshold=2;
|
|
let $query= select * from t1 where (t1.a,t1.b) in (("1","1"),(2,2),(3,3),(4,4));
|
|
eval explain $query;
|
|
eval $query;
|
|
|
|
set in_predicate_conversion_threshold=0;
|
|
eval explain $query;
|
|
eval $query;
|
|
|
|
drop table t1;
|
|
SET @@in_predicate_conversion_threshold= default;
|
|
|
|
--echo #
|
|
--echo # MDEV-27937: Prepared statement with ? in the list if IN predicate
|
|
--echo #
|
|
|
|
set in_predicate_conversion_threshold=2;
|
|
|
|
create table t1 (id int, a int, b int);
|
|
insert into t1 values (1,3,30), (2,7,70), (3,1,10);
|
|
|
|
prepare stmt from "
|
|
select * from t1 where a in (7, ?, 5, 1);
|
|
";
|
|
execute stmt using 3;
|
|
deallocate prepare stmt;
|
|
|
|
prepare stmt from "
|
|
select * from t1 where (a,b) in ((7,70), (3,?), (5,50), (1,10));
|
|
";
|
|
execute stmt using 30;
|
|
deallocate prepare stmt;
|
|
|
|
drop table t1;
|
|
|
|
set in_predicate_conversion_threshold=default;
|
|
|
|
--echo # End of 10.3 tests
|