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#
# Range optimizer (and related) tests that need InnoDB.
#
#
# MDEV-6735: Range checked for each record used with key
#
create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 (
a int,
b int,
filler1 char(100),
filler2 char(100),
filler3 char(100),
filler4 char(100),
key(a),
key(b)
) engine=innodb;
insert into t2
select
seq,seq,
repeat('0123456789', 10),
repeat('0123456789', 10),
repeat('0123456789', 10),
repeat('0123456789', 10)
from seq_0_to_9999;
analyze table t2;
Table Op Msg_type Msg_text
test.t2 analyze status Engine-independent statistics collected
test.t2 analyze status OK
# The following must not use "Range checked for each record":
explain select * from t0 left join t2 on t2.a <t0.a and t2.b between 50 and 250;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 10
1 SIMPLE t2 range a,b b 5 NULL 201 Using where; Using join buffer (flat, BNL join)
drop table t0,t2;
#
# MDEV-10466: constructing an invalid SEL_ARG
#
create table t1 (
pk int, a int, b int,
primary key (pk), index idx1(b), index idx2(b)
) engine=innodb STATS_AUTO_RECALC=0;
Warnings:
Note 1831 Duplicate index `idx2`. This is deprecated and will be disallowed in a future release
insert into t1 values (1,6,0),(2,1,0),(3,5,2),(4,8,0);
create table t2 (c int) engine=innodb STATS_AUTO_RECALC=0;
insert into t2 values (1),(2);
create table t3 (d int) engine=innodb STATS_AUTO_RECALC=0;
insert into t3 values (3),(-1),(4);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='extended_keys=on';
explain
select pk, a, b from t1,t2,t3 where b >= d and pk < c and b = '0';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ref PRIMARY,idx1,idx2 idx1 5 const 3 Using index condition
1 SIMPLE t3 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
select pk, a, b from t1,t2,t3 where b >= d and pk < c and b = '0';
pk a b
1 6 0
set optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3;
CREATE TABLE t1 (
pk INT PRIMARY KEY, f1 INT, f2 CHAR(1), f3 CHAR(1),
KEY(f1), KEY(f2)
) ENGINE=InnoDB;
INSERT INTO t1 VALUES
(1,4,'v',NULL),(2,6,'v',NULL),(3,7,'c',NULL),(4,1,'e',NULL),(5,0,'x',NULL),
(6,7,'i',NULL),(7,7,'e',NULL),(8,1,'p',NULL),(9,7,'s',NULL),(10,1,'j',NULL),
(11,5,'z',NULL),(12,2,'c',NULL),(13,0,'a',NULL),(14,1,'q',NULL),(15,8,'y',NULL),
(16,1,'m',NULL),(17,1,'r',NULL),(18,9,'v',NULL),(19,1,'n',NULL);
CREATE TABLE t2 (f4 INT, f5 CHAR(1)) ENGINE=InnoDB;
INSERT INTO t2 VALUES (4,'q'),(NULL,'j');
SELECT * FROM t1 AS t1_1, t1 AS t1_2, t2
WHERE f5 = t1_2.f2 AND ( t1_1.f1 = 103 AND t1_1.f2 = 'o' OR t1_1.pk < f4 );
pk f1 f2 f3 pk f1 f2 f3 f4 f5
1 4 v NULL 14 1 q NULL 4 q
2 6 v NULL 14 1 q NULL 4 q
3 7 c NULL 14 1 q NULL 4 q
drop table t1,t2;
#
# MDEV-14440: Server crash in in handler::ha_external_lock or Assertion `inited==RND'
# failed in handler::ha_rnd_end upon SELECT from partitioned table
#
set @optimizer_switch_save= @@optimizer_switch;
set optimizer_switch='index_merge_sort_intersection=off';
create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (
a int, b int, c int,
key(a),key(b),key(c)
)engine=innodb;
insert into t1
select a.seq/10, a.seq/10, a.seq from seq_0_to_499 a, seq_0_to_4 b;
SET @saved_dbug = @@GLOBAL.debug_dbug;
set @@global.debug_dbug="+d,ha_index_init_fail";
explain select * from t1 where a=10 and b=10;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index_merge a,b a,b 5,5 NULL 1 Using intersect(a,b); Using where
select * from t1 where a=10 and b=10;
ERROR HY000: Table definition has changed, please retry transaction
DROP TABLE t0,t1;
SET @@GLOBAL.debug_dbug = @saved_dbug;
set @@optimizer_switch= @optimizer_switch_save;
# End of 10.1 tests
#
# MDEV-27262: Index intersection with full scan over an index
#
CREATE TABLE t1 (
id int(10) unsigned NOT NULL AUTO_INCREMENT,
p char(32) DEFAULT NULL,
es tinyint(3) unsigned NOT NULL DEFAULT 0,
er tinyint(3) unsigned NOT NULL DEFAULT 0,
x mediumint(8) unsigned NOT NULL DEFAULT 0,
PRIMARY KEY (id),
INDEX es (es),
INDEX x (x),
INDEX er (er,x),
INDEX p (p)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
insert into t1(es,er) select 0, 1 from seq_1_to_45;
insert into t1(es,er) select 0, 2 from seq_1_to_49;
insert into t1(es,er) select 0, 3 from seq_1_to_951;
insert into t1(es,er) select 0, 3 from seq_1_to_1054;
insert into t1(es,er) select 0, 6 from seq_1_to_25;
insert into t1(es,er) select 0, 11 from seq_1_to_1;
insert into t1(es,er) select 1, 1 from seq_1_to_45;
insert into t1(es,er) select 1, 2 from seq_1_to_16;
insert into t1(es,er) select 1, 3 from seq_1_to_511;
insert into t1(es,er) select 1, 4 from seq_1_to_687;
insert into t1(es,er) select 1, 6 from seq_1_to_50;
insert into t1(es,er) select 1, 7 from seq_1_to_4;
insert into t1(es,er) select 1, 11 from seq_1_to_1;
insert into t1(es,er) select 2, 1 from seq_1_to_82;
insert into t1(es,er) select 2, 2 from seq_1_to_82;
insert into t1(es,er) select 2, 3 from seq_1_to_1626;
insert into t1(es,er) select 2, 4 from seq_1_to_977;
insert into t1(es,er) select 2, 6 from seq_1_to_33;
insert into t1(es,er) select 2, 11 from seq_1_to_1;
insert into t1(es,er) select 3, 1 from seq_1_to_245;
insert into t1(es,er) select 3, 2 from seq_1_to_81;
insert into t1(es,er) select 3, 3 from seq_1_to_852;
insert into t1(es,er) select 3, 4 from seq_1_to_2243;
insert into t1(es,er) select 3, 6 from seq_1_to_44;
insert into t1(es,er) select 3, 11 from seq_1_to_1;
insert into t1(es,er) select 4, 1 from seq_1_to_91;
insert into t1(es,er) select 4, 2 from seq_1_to_83;
insert into t1(es,er) select 4, 3 from seq_1_to_297;
insert into t1(es,er) select 4, 4 from seq_1_to_2456;
insert into t1(es,er) select 4, 6 from seq_1_to_19;
insert into t1(es,er) select 4, 11 from seq_1_to_1;
update t1 set p='foobar';
update t1 set x=0;
set @save_isp=@@innodb_stats_persistent;
set global innodb_stats_persistent= 1;
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
set optimizer_switch='index_merge_sort_intersection=on';
SELECT * FROM t1
WHERE ((p = 'foo' AND er != 4) OR er = 4 ) AND (es >= 4) LIMIT 2;
id p es er x
14645 foobar 4 4 0
14646 foobar 4 4 0
EXPLAIN EXTENDED SELECT * FROM t1
WHERE ((p = 'foo' AND er != 4) OR er = 4 ) AND (es >= 4) LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range es,er,p es 1 NULL # 100.00 Using index condition; Using where
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`p` AS `p`,`test`.`t1`.`es` AS `es`,`test`.`t1`.`er` AS `er`,`test`.`t1`.`x` AS `x` from `test`.`t1` where (`test`.`t1`.`p` = 'foo' and `test`.`t1`.`er` <> 4 or `test`.`t1`.`er` = 4) and `test`.`t1`.`es` >= 4 limit 2
set optimizer_switch='index_merge_sort_intersection=off';
SELECT * FROM t1
WHERE ((p = 'foo' AND er != 4) OR er = 4 ) AND (es >= 4) LIMIT 2;
id p es er x
14645 foobar 4 4 0
14646 foobar 4 4 0
EXPLAIN EXTENDED SELECT * FROM t1
WHERE ((p = 'foo' AND er != 4) OR er = 4 ) AND (es >= 4) LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range es,er,p es 1 NULL # 100.00 Using index condition; Using where
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`p` AS `p`,`test`.`t1`.`es` AS `es`,`test`.`t1`.`er` AS `er`,`test`.`t1`.`x` AS `x` from `test`.`t1` where (`test`.`t1`.`p` = 'foo' and `test`.`t1`.`er` <> 4 or `test`.`t1`.`er` = 4) and `test`.`t1`.`es` >= 4 limit 2
set optimizer_switch='index_merge_sort_intersection=on';
SELECT * FROM t1
WHERE ((p = 'foo' AND er < 6) OR er >=2 ) AND (es >= 4) LIMIT 2;
id p es er x
14007 foobar 4 2 0
14008 foobar 4 2 0
EXPLAIN EXTENDED SELECT * FROM t1
WHERE ((p = 'foo' AND er < 6) OR er >=2 ) AND (es >= 4) LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range es,er,p es 1 NULL # 100.00 Using index condition; Using where
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`p` AS `p`,`test`.`t1`.`es` AS `es`,`test`.`t1`.`er` AS `er`,`test`.`t1`.`x` AS `x` from `test`.`t1` where (`test`.`t1`.`p` = 'foo' and `test`.`t1`.`er` < 6 or `test`.`t1`.`er` >= 2) and `test`.`t1`.`es` >= 4 limit 2
set optimizer_switch='index_merge_sort_intersection=off';
SELECT * FROM t1
WHERE ((p = 'foo' AND er < 6) OR er >=2 ) AND (es >= 4) LIMIT 2;
id p es er x
14007 foobar 4 2 0
14008 foobar 4 2 0
EXPLAIN EXTENDED SELECT * FROM t1
WHERE ((p = 'foo' AND er < 6) OR er >=2 ) AND (es >= 4) LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range es,er,p es 1 NULL # 100.00 Using index condition; Using where
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`p` AS `p`,`test`.`t1`.`es` AS `es`,`test`.`t1`.`er` AS `er`,`test`.`t1`.`x` AS `x` from `test`.`t1` where (`test`.`t1`.`p` = 'foo' and `test`.`t1`.`er` < 6 or `test`.`t1`.`er` >= 2) and `test`.`t1`.`es` >= 4 limit 2
set optimizer_switch='index_merge_sort_intersection=default';
set global innodb_stats_persistent= @save_isp;
DROP TABLE t1;
# End of 10.2 tests
#
# MDEV-19634: Assertion `0' failed in row_sel_convert_mysql_key_to_innobase,
# [Warning] InnoDB: Using a partial-field key prefix in search
#
CREATE TABLE t1 (
pk INT,
a VARCHAR(1),
b INT,
PRIMARY KEY (pk),
KEY (a,b)
) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,'a',1),(2,'b',2);
explain SELECT a FROM t1 WHERE pk < 0 AND a <= 'w' and b > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,a PRIMARY 4 NULL 1 Using where
SELECT a FROM t1 WHERE pk < 0 AND a <= 'w' and b > 0;
a
drop table t1;
# End of 10.4 tests
|
