mirror of
https://github.com/MariaDB/server.git
synced 2025-08-09 22:24:09 +03:00
3694bb90a4
- Fix the compile-time-default value of optimizer_switch printed by mysqld --help --defaults
231 lines
6.2 KiB
Plaintext
231 lines
6.2 KiB
Plaintext
#
|
|
# ICP/MyISAM tests (Index Condition Pushdown)
|
|
#
|
|
|
|
set @myisam_icp_tmp=@@optimizer_switch;
|
|
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
|
|
|
|
--source include/icp_tests.inc
|
|
|
|
--disable_warnings
|
|
drop table if exists t0, t1, t1i, t1m;
|
|
--enable_warnings
|
|
|
|
#
|
|
# BUG#711565 Index Condition Pushdown can make a thread hold MyISAM locks as well as be unKILLable for long time
|
|
# This is not a ready mysqltest testcase but rather a set of queries that
|
|
# allow to check the bug[fix] manually. Making this testcase automatic is
|
|
# difficult because
|
|
# - big tables are involved
|
|
# - it's difficult to have automatic checks of whether the query could be
|
|
# KILLed that would reliably work on fast/slow buildslaves, etc.
|
|
|
|
--disable_parsing
|
|
|
|
create table t0 (a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
|
|
create table t1 (
|
|
kp1 int, kp2 int,
|
|
filler char(100),
|
|
col int,
|
|
key(kp1, kp2)
|
|
);
|
|
|
|
set myisam_sort_buffer_size=32*1000*1000;
|
|
insert into t1
|
|
select
|
|
1000 + A.a + 10*B.a + 100*C.a + 1000*D.a + 10000 * F.a,
|
|
1,
|
|
'filler-data filler-data filler-data filler-data filler-data',
|
|
1
|
|
from
|
|
t0 A, t0 B, t0 C, t0 D, t0 E, t0 F, t0 G
|
|
;
|
|
|
|
insert into t1 values (990, 100, 'a record to test index_next checks',100);
|
|
|
|
update t1 set kp2=10 where kp1 between 20000+100 and 28000;
|
|
|
|
update t1 set kp1=20000 where kp1 between 20000 and 28000;
|
|
|
|
insert into t1 values (20000, 100, 'last-20K-record',1);
|
|
|
|
create table t1i like t1;
|
|
alter table t1i engine=innodb;
|
|
insert into t1i select * from t1;
|
|
|
|
create table t1m like t1;
|
|
alter table t1m engine=maria;
|
|
insert into t1m select * from t1;
|
|
|
|
#
|
|
# XtraDB has one check for all kinds of ranges.
|
|
#
|
|
explain
|
|
select * from t1i
|
|
where
|
|
kp1 < 8000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 > 10;
|
|
|
|
|
|
#
|
|
# MyISAM, check range access + mi_rnext():
|
|
# (will return HA_ERR_END_OF_FILE)
|
|
explain
|
|
select * from t1
|
|
where
|
|
kp1 < 10000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 > 10;
|
|
|
|
|
|
#
|
|
# MyISAM, check range access + mi_rkey():
|
|
# (will return HA_ERR_END_OF_FILE)
|
|
explain
|
|
select * from t1
|
|
where
|
|
kp1 >= 999 and kp1 < 10000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 > 10;
|
|
|
|
|
|
|
|
#
|
|
# MyISAM, check mi_rnext_same:
|
|
#
|
|
|
|
explain
|
|
select * from t1
|
|
where
|
|
kp1 = 20000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 < 10;
|
|
|
|
|
|
#
|
|
# MyISAM, check mi_rprev:
|
|
#
|
|
|
|
explain
|
|
select * from t1
|
|
where
|
|
kp1 = 20000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 > 20
|
|
order by kp1, kp2 desc;
|
|
|
|
|
|
|
|
#
|
|
# Maria, check range access + maria_rkey():
|
|
#
|
|
explain
|
|
select * from t1m
|
|
where
|
|
kp1 >= 999 and kp1 < 10000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 > 10;
|
|
|
|
|
|
|
|
#
|
|
# Maria, check range access + maria_rnext():
|
|
#
|
|
explain
|
|
select * from t1m
|
|
where
|
|
kp1 < 10000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 > 10;
|
|
|
|
|
|
#
|
|
# Maria, check maria_rnext_same:
|
|
#
|
|
|
|
explain
|
|
select * from t1m
|
|
where
|
|
kp1 = 20000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 > 100;
|
|
|
|
#
|
|
# Maria, check maria_rprev:
|
|
#
|
|
|
|
explain
|
|
select * from t1m
|
|
where
|
|
kp1 = 20000 and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
concat(repeat('foo-bar-', 100000), kp2) like '%bar-1%' and
|
|
kp2 +1 > 20
|
|
order by kp1, kp2 desc;
|
|
|
|
drop table t0, t1, t1i, t1m;
|
|
|
|
--enable_parsing
|
|
|
|
--echo #
|
|
--echo # BUG#826935 Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index))' failed
|
|
--echo #
|
|
CREATE TABLE t1 ( a int, b varchar(1024), c int, KEY (c), KEY (c,a)) ;
|
|
INSERT INTO t1 VALUES
|
|
(NULL,'x','-678428672'),
|
|
(NULL,'ok',NULL),
|
|
(796262400,'byluovkgwoukfxedyeffsedajyqkyhpaqqpozn', NULL),
|
|
(7,'STQUF',146014208),
|
|
(955711488,'WWVOR','-1515388928');
|
|
SELECT b FROM t1 WHERE a != 1 AND c IS NULL ORDER BY 1;
|
|
DROP TABLE t1;
|
|
|
|
--echo #
|
|
--echo # Bug#870046: ICP for a GROUP BY query
|
|
--echo #
|
|
|
|
CREATE TABLE t1 (a int, b varchar(1), c varchar(1), INDEX idx(b));
|
|
INSERT INTO t1 VALUES (2,'x','x'), (5,'x','y');
|
|
|
|
SET SESSION optimizer_switch='index_condition_pushdown=off';
|
|
EXPLAIN
|
|
SELECT a, MIN(c) FROM t1 WHERE b = 'x' AND c > 'x' GROUP BY a;
|
|
SELECT a, MIN(c) FROM t1 WHERE b = 'x' AND c > 'x' GROUP BY a;
|
|
SET SESSION optimizer_switch='index_condition_pushdown=on';
|
|
EXPLAIN
|
|
SELECT a, MIN(c) FROM t1 WHERE b = 'x' AND c > 'x' GROUP BY a;
|
|
SELECT a, MIN(c) FROM t1 WHERE b = 'x' AND c > 'x' GROUP BY a;
|
|
|
|
DROP TABLE t1;
|
|
|
|
set optimizer_switch=@myisam_icp_tmp;
|