| Current Path : /usr/opt/mysql57/mysql-test/suite/gcol/r/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/opt/mysql57/mysql-test/suite/gcol/r/gcol_select_myisam.result |
DROP VIEW IF EXISTS v1,v2;
DROP TABLE IF EXISTS t1,t2,t3;
DROP PROCEDURE IF EXISTS p1;
DROP FUNCTION IF EXISTS f1;
DROP TRIGGER IF EXISTS trg1;
DROP TRIGGER IF EXISTS trg2;
set sql_warnings = 0;
SET @@session.default_storage_engine = 'MyISAM';
SET optimizer_switch='derived_merge=off';
create table t1 (a int,
b int generated always as (-a) virtual,
c int generated always as (-a) stored,
index (c));
insert into t1 (a) values (2), (1), (1), (3), (NULL);
create table t2 like t1;
insert into t2 (a) values (1);
create table t3 (a int primary key,
b int generated always as (-a) virtual,
c int generated always as (-a) stored unique);
insert into t3 (a) values (2),(1),(3);
analyze table t1,t2,t3;
Table Op Msg_type Msg_text
test.t1 analyze status OK
test.t2 analyze status OK
test.t3 analyze status OK
# select_type=SIMPLE, type=system
select * from t2;
a b c
1 -1 -1
explain select * from t2;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 NULL system NULL NULL NULL NULL 1 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select '1' AS `a`,'-1' AS `b`,'-1' AS `c` from dual
select * from t2 where c=-1;
a b c
1 -1 -1
explain select * from t2 where c=-1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 NULL system c NULL NULL NULL 1 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select '1' AS `a`,'-1' AS `b`,'-1' AS `c` from dual where 1
# select_type=SIMPLE, type=ALL
select * from t1 where b=-1;
a b c
1 -1 -1
1 -1 -1
explain select * from t1 where b=-1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 20.00 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where (`test`.`t1`.`b` = <cache>(-(1)))
# select_type=SIMPLE, type=const
select * from t3 where a=1;
a b c
1 -1 -1
explain select * from t3 where a=1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL const PRIMARY PRIMARY 4 const 1 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select '1' AS `a`,'-1' AS `b`,'-1' AS `c` from `test`.`t3` where 1
# select_type=SIMPLE, type=range
select * from t3 where c>=-1;
a b c
1 -1 -1
explain select * from t3 where c>=-1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range c c 5 NULL 2 100.00 Using index condition
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` >= <cache>(-(1)))
# select_type=SIMPLE, type=ref
select * from t1,t3 where t1.c=t3.c and t3.c=-1;
a b c a b c
1 -1 -1 1 -1 -1
1 -1 -1 1 -1 -1
explain select * from t1,t3 where t1.c=t3.c and t3.c=-1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL const c c 5 const 1 100.00 NULL
1 SIMPLE t1 NULL ref c c 5 const 2 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,'1' AS `a`,'-1' AS `b`,'-1' AS `c` from `test`.`t1` join `test`.`t3` where (`test`.`t1`.`c` = -(1))
# select_type=PRIMARY, type=index,ALL
select * from t1 where b in (select c from t3);
a b c
1 -1 -1
1 -1 -1
2 -2 -2
3 -3 -3
explain select * from t1 where b in (select c from t3);
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL index c c 5 NULL 3 100.00 Using index
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 20.00 Using where; Using join buffer (Block Nested Loop)
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t3` join `test`.`t1` where (`test`.`t1`.`b` = `test`.`t3`.`c`)
# select_type=PRIMARY, type=range,ref
select * from t1 where c in (select c from t3 where c between -2 and -1);
a b c
1 -1 -1
1 -1 -1
2 -2 -2
explain select * from t1 where c in (select c from t3 where c between -2 and -1);
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range c c 5 NULL 1 100.00 Using where; Using index
1 SIMPLE t1 NULL ref c c 5 test.t3.c 1 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t3` join `test`.`t1` where ((`test`.`t1`.`c` = `test`.`t3`.`c`) and (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1))))
# select_type=UNION, type=system
# select_type=UNION RESULT, type=<union1,2>
select * from t1 union select * from t2;
a b c
1 -1 -1
2 -2 -2
3 -3 -3
NULL NULL NULL
explain select * from t1 union select * from t2;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 5 100.00 NULL
2 UNION t2 NULL system NULL NULL NULL NULL 1 100.00 NULL
NULL UNION RESULT <union1,2> NULL ALL NULL NULL NULL NULL NULL NULL Using temporary
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` union /* select#2 */ select '1' AS `a`,'-1' AS `b`,'-1' AS `c` from dual
# select_type=DERIVED, type=system
select * from (select a,b,c from t1) as t11;
a b c
1 -1 -1
1 -1 -1
2 -2 -2
3 -3 -3
NULL NULL NULL
explain select * from (select a,b,c from t1) as t11;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> NULL ALL NULL NULL NULL NULL 5 100.00 NULL
2 DERIVED t1 NULL ALL NULL NULL NULL NULL 5 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select `t11`.`a` AS `a`,`t11`.`b` AS `b`,`t11`.`c` AS `c` from (/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1`) `t11`
###
### Using aggregate functions with/without DISTINCT
###
# SELECT COUNT(*) FROM tbl_name
select count(*) from t1;
count(*)
5
explain select count(*) from t1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 /* select#1 */ select count(0) AS `count(*)` from `test`.`t1`
# SELECT COUNT(DISTINCT <non-gcol>) FROM tbl_name
select count(distinct a) from t1;
count(distinct a)
3
explain select count(distinct a) from t1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select count(distinct `test`.`t1`.`a`) AS `count(distinct a)` from `test`.`t1`
# SELECT COUNT(DISTINCT <non-stored gcol>) FROM tbl_name
select count(distinct b) from t1;
count(distinct b)
3
explain select count(distinct b) from t1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 100.00 NULL
Warnings:
Note 1003 /* select#1 */ select count(distinct `test`.`t1`.`b`) AS `count(distinct b)` from `test`.`t1`
# SELECT COUNT(DISTINCT <stored gcol>) FROM tbl_name
select count(distinct c) from t1;
count(distinct c)
3
explain select count(distinct c) from t1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL range c c 5 NULL 6 100.00 Using index for group-by (scanning)
Warnings:
Note 1003 /* select#1 */ select count(distinct `test`.`t1`.`c`) AS `count(distinct c)` from `test`.`t1`
###
### filesort & range-based utils
###
# SELECT * FROM tbl_name WHERE <gcol expr>
select * from t3 where c >= -2;
a b c
1 -1 -1
2 -2 -2
explain select * from t3 where c >= -2;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range c c 5 NULL 2 100.00 Using index condition
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` >= <cache>(-(2)))
# SELECT * FROM tbl_name WHERE <non-gcol expr>
select * from t3 where a between 1 and 2;
a b c
1 -1 -1
2 -2 -2
explain select * from t3 where a between 1 and 2;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range PRIMARY PRIMARY 4 NULL 1 100.00 Using index condition
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`a` between 1 and 2)
# SELECT * FROM tbl_name WHERE <non-indexed gcol expr>
select * from t3 where b between -2 and -1;
a b c
1 -1 -1
2 -2 -2
explain select * from t3 where b between -2 and -1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`b` between <cache>(-(2)) and <cache>(-(1)))
# SELECT * FROM tbl_name WHERE <indexed gcol expr>
select * from t3 where c between -2 and -1;
a b c
1 -1 -1
2 -2 -2
explain select * from t3 where c between -2 and -1;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range c c 5 NULL 1 100.00 Using index condition
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1)))
# bug#20022189: WL411:DEBUG ASSERT AT FIELD_LONG::VAL_INT IN SQL/FIELD.CC
CREATE TABLE t4 (
`pk` int(11) NOT NULL ,
`col_int_nokey` int(11) GENERATED ALWAYS AS (pk + col_int_key) STORED,
`col_int_key` int(11) DEFAULT NULL,
`col_date_nokey` date DEFAULT NULL,
`col_datetime_key` datetime DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `col_int_key` (`col_int_key`),
KEY `col_datetime_key` (`col_datetime_key`)
);
INSERT INTO t4 VALUES
(1,default,4,'2008-12-05','1900-01-01 00:00:00');
SELECT
SQL_BIG_RESULT
GRANDPARENT1 . `col_int_nokey` AS g1
FROM t4 AS GRANDPARENT1 LEFT JOIN t4 AS GRANDPARENT2 ON ( GRANDPARENT2 .
`col_datetime_key` <= GRANDPARENT1 . `col_date_nokey` )
GROUP BY GRANDPARENT1 . `pk`;
g1
5
DROP TABLE t4;
# SELECT * FROM tbl_name WHERE <non-gcol expr> ORDER BY <indexed gcol>
select * from t3 where a between 1 and 2 order by c;
a b c
2 -2 -2
1 -1 -1
explain select * from t3 where a between 1 and 2 order by c;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range PRIMARY PRIMARY 4 NULL 1 100.00 Using index condition; Using filesort
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`a` between 1 and 2) order by `test`.`t3`.`c`
# SELECT * FROM tbl_name WHERE <non-indexed gcol expr> ORDER BY <non-gcol>
select * from t3 where b between -2 and -1 order by a;
a b c
1 -1 -1
2 -2 -2
explain select * from t3 where b between -2 and -1 order by a;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL ALL NULL NULL NULL NULL 3 33.33 Using where; Using filesort
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`b` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`a`
# SELECT * FROM tbl_name WHERE <indexed gcol expr> ORDER BY <non-gcol>
select * from t3 where c between -2 and -1 order by a;
a b c
1 -1 -1
2 -2 -2
explain select * from t3 where c between -2 and -1 order by a;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range c c 5 NULL 1 100.00 Using index condition; Using filesort
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`a`
# SELECT * FROM tbl_name WHERE <non-indexed gcol expr> ORDER BY <non-indexed gcol>
select * from t3 where b between -2 and -1 order by b;
a b c
2 -2 -2
1 -1 -1
explain select * from t3 where b between -2 and -1 order by b;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL ALL NULL NULL NULL NULL 3 33.33 Using where; Using filesort
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`b` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`b`
# SELECT * FROM tbl_name WHERE <indexed gcol expr> ORDER BY <non-indexed gcol>
select * from t3 where c between -2 and -1 order by b;
a b c
2 -2 -2
1 -1 -1
explain select * from t3 where c between -2 and -1 order by b;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range c c 5 NULL 1 100.00 Using index condition; Using filesort
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`b`
# SELECT * FROM tbl_name WHERE <non-indexed gcol expr> ORDER BY <indexed gcol>
select * from t3 where b between -2 and -1 order by c;
a b c
2 -2 -2
1 -1 -1
explain select * from t3 where b between -2 and -1 order by c;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL ALL NULL NULL NULL NULL 3 33.33 Using where; Using filesort
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`b` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`c`
# SELECT * FROM tbl_name WHERE <indexed gcol expr> ORDER BY <indexed gcol>
select * from t3 where c between -2 and -1 order by c;
a b c
2 -2 -2
1 -1 -1
explain select * from t3 where c between -2 and -1 order by c;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 NULL range c c 5 NULL 1 100.00 Using index condition
Warnings:
Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`c`
# SELECT sum(<non-indexed gcol>) FROM tbl_name GROUP BY <non-indexed gcol>
select sum(b) from t1 group by b;
sum(b)
NULL
-3
-2
-2
explain select sum(b) from t1 group by b;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 100.00 Using temporary; Using filesort
Warnings:
Note 1003 /* select#1 */ select sum(`test`.`t1`.`b`) AS `sum(b)` from `test`.`t1` group by `test`.`t1`.`b`
# SELECT sum(<indexed gcol>) FROM tbl_name GROUP BY <indexed gcol>
select sum(c) from t1 group by c;
sum(c)
NULL
-3
-2
-2
explain select sum(c) from t1 group by c;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL index c c 5 NULL 5 100.00 Using index
Warnings:
Note 1003 /* select#1 */ select sum(`test`.`t1`.`c`) AS `sum(c)` from `test`.`t1` group by `test`.`t1`.`c`
# SELECT sum(<non-indexed gcol>) FROM tbl_name GROUP BY <indexed gcol>
select sum(b) from t1 group by c;
sum(b)
NULL
-3
-2
-2
explain select sum(b) from t1 group by c;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL c NULL NULL NULL 5 100.00 Using temporary; Using filesort
Warnings:
Note 1003 /* select#1 */ select sum(`test`.`t1`.`b`) AS `sum(b)` from `test`.`t1` group by `test`.`t1`.`c`
# SELECT sum(<indexed gcol>) FROM tbl_name GROUP BY <non-indexed gcol>
select sum(c) from t1 group by b;
sum(c)
NULL
-3
-2
-2
explain select sum(c) from t1 group by b;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 100.00 Using temporary; Using filesort
Warnings:
Note 1003 /* select#1 */ select sum(`test`.`t1`.`c`) AS `sum(c)` from `test`.`t1` group by `test`.`t1`.`b`
drop table t1;
#
# Bug#20241655: WL411:FAILING ASSERTION ASSERTION
#
CREATE TABLE BB (
col_time_key time NOT NULL,
col_time_nokey time GENERATED ALWAYS AS (ADDTIME(col_datetime_key, col_time_key)) VIRTUAL,
col_datetime_key datetime NOT NULL);
INSERT INTO BB VALUES('23:28:02', default, '2005-03-15 22:48:25');
CREATE TABLE CC (
col_time_key time NOT NULL,
col_time_nokey time GENERATED ALWAYS AS (ADDTIME(col_datetime_key, col_time_key)) VIRTUAL,
col_datetime_key datetime NOT NULL
);
INSERT INTO CC VALUES('16:22:51', default, '1900-01-01 00:00:00');
SELECT 1 AS g1 FROM BB AS gp1 LEFT JOIN BB AS gp2 USING ( col_time_nokey);
g1
1
DROP TABLE BB, CC;
#
# Bug#20328786: WL411:VALGRIND WARNINGS OF CONDITIONAL
# JUMP WHILE SELECTING FROM VIEW
#
CREATE TABLE A (
pk INTEGER AUTO_INCREMENT,
col_int_nokey INTEGER,
col_int_key INTEGER GENERATED ALWAYS AS (2 + 2 + col_int_nokey) STORED,
PRIMARY KEY (pk)
);
CREATE TABLE C (
pk INTEGER AUTO_INCREMENT,
col_int_nokey INTEGER,
col_int_key INTEGER GENERATED ALWAYS AS (2 + 2 + col_int_nokey) STORED,
col_varchar_nokey VARCHAR(1),
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)) STORED,
PRIMARY KEY (pk),
KEY (col_int_key),
KEY (col_varchar_key, col_int_key)
);
INSERT INTO C (
col_int_nokey,
col_varchar_nokey
) VALUES (4, 'v'),(62, 'v'),(7, 'c'),(1, NULL),(0, 'x'),(7, 'i'),(7, 'e'),(1, 'p'),(7, 's'),(1, 'j'),(5, 'z'),(2, 'c'),(0, 'a'),(1, 'q'),(8, 'y'),(1, NULL),(1, 'r'),(9, 'v'),(1, NULL),(5, 'r');
CREATE OR REPLACE ALGORITHM=MERGE VIEW V1 AS SELECT alias1.
col_varchar_key AS field1 , alias1.pk AS field2, alias2.
col_int_nokey AS field3 FROM C AS alias1 LEFT JOIN A AS alias2 ON
alias1.pk = alias2.col_int_key WHERE alias1.pk > 8 AND alias1
.pk < ( 9 + 2 ) AND alias1.col_int_key <> 1 OR alias1.col_int_key
> 0 AND alias1.col_int_key <= ( 3 + 2 ) ORDER BY field1, field2, field3
LIMIT 100 OFFSET 6;
Warnings:
Warning 1354 View merge algorithm can't be used here for now (assumed undefined algorithm)
SELECT * FROM V1;
field1 field2 field3
qq 14 NULL
rr 17 NULL
ss 9 NULL
xx 5 NULL
DROP VIEW V1;
DROP TABLE A,C;
#
# Bug#20406510: WL411:VALGRIND WARNINGS WITH
# COUNT DISTINCT QUERY ON VIRTUAL GC VARCHAR COLUMN
#
CREATE TABLE A (
pk INTEGER AUTO_INCREMENT,
col_time_key TIME NOT NULL,
col_datetime_key DATETIME NOT NULL,
PRIMARY KEY (pk),
KEY (col_time_key),
KEY (col_datetime_key)
);
CREATE TABLE C (
pk INTEGER AUTO_INCREMENT,
col_int_key INTEGER NOT NULL,
col_varchar_key VARCHAR(1) NOT NULL,
col_varchar_nokey VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_key, col_varchar_key)),
PRIMARY KEY (pk),
KEY (col_int_key),
KEY (col_varchar_key, col_int_key)
);
INSERT INTO C (col_int_key,col_varchar_key) VALUES (0, 'j'),(8, 'v'),(1, 'c'),(8, 'm'),(9, 'd');
SELECT MIN( alias2 . col_int_key ) AS field1,
COUNT( DISTINCT alias2 . col_varchar_nokey ) AS field2
FROM ( A AS alias1 , C AS alias2 )
ORDER BY alias1.col_time_key, alias1.col_datetime_key, alias1.pk ASC;
field1 field2
NULL 0
DROP TABLE A,C;
#
# Bug#20566325: WL8149: INNODB: FAILING ASSERTION:
# COL_NR < TABLE->N_DEF
#
CREATE TABLE A (
pk INTEGER AUTO_INCREMENT,
col_varchar_nokey VARCHAR(1) NOT NULL,
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)),
PRIMARY KEY (pk)
);
INSERT /*! IGNORE */ INTO A (col_varchar_nokey) VALUES ('k');
CREATE TABLE CC (
pk INTEGER AUTO_INCREMENT,
col_datetime_nokey DATETIME /*! NULL */,
col_time_nokey TIME /*! NULL */,
col_time_key TIME GENERATED ALWAYS AS
(ADDTIME(col_datetime_nokey, col_time_nokey)),
col_varchar_nokey VARCHAR(1) /*! NULL */,
col_varchar_key VARCHAR(2) GENERATED ALWAYS AS
(CONCAT(col_varchar_nokey, col_varchar_nokey)),
PRIMARY KEY (pk));
INSERT INTO CC (col_time_nokey,col_datetime_nokey,col_varchar_nokey) VALUES
('13:06:13.033877','1900-01-01 00:00:00', 'p'),
(NULL, '2007-05-25 11:58:54.015689', 'g');
SELECT
table1.col_time_key AS field1,
'z' AS field2
FROM
(CC AS table1 LEFT OUTER JOIN (A AS table2 STRAIGHT_JOIN CC AS table3 ON
(table3.col_varchar_key = table2.col_varchar_nokey)) ON
(table3.col_varchar_key = table2.col_varchar_nokey))
WHERE
table2.pk != 6
AND table1.col_varchar_key IN ('l', 's' , 'b' )
AND table3.col_varchar_key != table1.col_varchar_key
ORDER BY table1.col_varchar_key , field1 , field2;
field1 field2
DROP TABLE A,CC;
CREATE TABLE cc (
pk int(11) NOT NULL AUTO_INCREMENT,
col_int_nokey int(11) NOT NULL,
col_int_key int(11) GENERATED ALWAYS AS (col_int_nokey) STORED,
col_date_nokey date NOT NULL,
col_date_key date GENERATED ALWAYS AS (col_date_nokey) STORED,
col_datetime_nokey datetime NOT NULL,
col_time_nokey time NOT NULL,
col_datetime_key datetime GENERATED ALWAYS AS (col_datetime_nokey)STORED,
col_time_key time GENERATED ALWAYS AS (col_time_nokey) STORED,
col_varchar_nokey varchar(1) NOT NULL,
col_varchar_key varchar(1) GENERATED ALWAYS AS (col_varchar_nokey)STORED,
PRIMARY KEY (pk),
KEY gc_idx1 (col_int_key),
KEY gc_idx2 (col_varchar_key),
KEY gc_idx3 (col_date_key),
KEY gc_idx4 (col_time_key),
KEY gc_idx5 (col_datetime_key),
KEY gc_idx6 (col_varchar_key,col_int_key),
KEY gc_idx7 (col_date_key,col_datetime_key,col_time_key),
KEY gc_idx8(col_int_key,col_varchar_key,col_date_key,col_time_key,
col_datetime_key)
);
INSERT INTO cc (
col_int_nokey,
col_date_nokey,
col_time_nokey,
col_datetime_nokey,
col_varchar_nokey
) VALUES (1, '2009-12-01', '00:21:38.058143', '2007-05-28 00:00:00', 'c'),
(8, '2004-12-17', '04:08:02.046897', '2009-07-25 09:21:20.064099', 'm'),
(9, '2000-03-14', '16:25:11.040240', '2002-01-16 00:00:00', 'd'),
(24, '2000-10-08', '10:14:58.018534', '2006-10-12 04:32:53.031976', 'd'),
(6, '2006-05-25', '19:47:59.011283', '2001-02-15 03:08:38.035426', 'y'),
(1, '2008-01-23', '11:14:24.032949', '2004-10-02 20:31:15.022553', 't');
SET @save_old_sql_mode= @@sql_mode;
SET sql_mode="";
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
SELECT DISTINCT alias1.col_varchar_key AS field1
FROM ( cc AS alias1 STRAIGHT_JOIN
(( cc AS alias2 STRAIGHT_JOIN cc AS alias3 ON
(alias3.col_varchar_key > alias2.col_varchar_key ) ) ) ON
(( alias3 .pk >= alias2.col_int_nokey ) AND
(alias3 .pk >= alias2.col_int_nokey ) ))
WHERE alias1.col_varchar_key <= 'v'
GROUP BY field1 HAVING field1 = 91
ORDER BY field1, alias1.col_date_key, field1 ASC, field1 DESC,
alias1.col_time_key ASC, field1;
field1
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'c'
Warning 1292 Truncated incorrect DOUBLE value: 't'
Warning 1292 Truncated incorrect DOUBLE value: 'm'
Warning 1292 Truncated incorrect DOUBLE value: 'd'
DROP TABLE cc;
SET sql_mode=@save_old_sql_mode;
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
#
# Bug#20797941: WL8149:ASSERTION !TABLE ||
# (!TABLE->READ_SET || BITMAP_IS_SET(TABLE->READ_SET
#
CREATE TABLE t(a int, b int as(a+1));
INSERT INTO t(a) values(1),(2);
SELECT * FROM t ORDER BY b;
a b
1 2
2 3
DROP TABLE t;
DROP TABLE t2, t3;
#
# Bug#21317507:GC: STORED COLUMN REJECTED, BUT VIRTUAL IS ACCEPTED
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES(2147483647);
ALTER TABLE t1 ADD INDEX idx(a), WITH VALIDATION;
ERROR HY000: Incorrect usage of ALTER and WITH VALIDATION
Should fail and column shouldn't be added
ALTER TABLE t1 ADD COLUMN b SMALLINT AS (a) VIRTUAL;
ERROR 22003: Out of range value for column 'b' at row 1
ALTER TABLE t1 ADD COLUMN c SMALLINT AS (a) VIRTUAL, WITH VALIDATION;
ERROR 22003: Out of range value for column 'c' at row 1
ALTER TABLE t1 ADD COLUMN d SMALLINT AS (a) VIRTUAL, WITHOUT VALIDATION;
ERROR 22003: Out of range value for column 'd' at row 1
ALTER TABLE t1 ADD COLUMN c INT AS(a) VIRTUAL;
ALTER TABLE t1 CHANGE c c SMALLINT AS(a) VIRTUAL, WITH VALIDATION;
ERROR 22003: Out of range value for column 'c' at row 1
ALTER TABLE t1 CHANGE c c SMALLINT AS(a) VIRTUAL, WITHOUT VALIDATION;
ERROR 22003: Out of range value for column 'c' at row 1
ALTER TABLE t1 MODIFY c TINYINT AS(a) VIRTUAL, WITH VALIDATION;
ERROR 22003: Out of range value for column 'c' at row 1
ALTER TABLE t1 MODIFY c TINYINT AS(a) VIRTUAL, WITHOUT VALIDATION;
ERROR 22003: Out of range value for column 'c' at row 1
SELECT * FROM t1;
a c
2147483647 2147483647
DROP TABLE t1;
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES(2147483647);
ALTER TABLE t1 ADD COLUMN h INT AS (a) VIRTUAL, WITHOUT VALIDATION;
ALTER TABLE t1 CHANGE h i INT AS (a) VIRTUAL, WITH VALIDATION,
ALGORITHM=INPLACE;
Got one of the listed errors
ALTER TABLE t1 CHANGE h i INT AS (a) VIRTUAL, WITHOUT VALIDATION,
ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
ALTER TABLE t1 ADD COLUMN b SMALLINT AS (a) VIRTUAL, WITH VALIDATION,
ALGORITHM=INPLACE, LOCK=NONE;
Got one of the listed errors
ALTER TABLE t1 ADD COLUMN c SMALLINT AS (a) VIRTUAL, WITH VALIDATION,
ALGORITHM=INPLACE, LOCK=SHARED;
Got one of the listed errors
ALTER TABLE t1 ADD COLUMN d SMALLINT AS (a) VIRTUAL, WITH VALIDATION,
ALGORITHM=INPLACE, LOCK=EXCLUSIVE;
Got one of the listed errors
Shouldn't fail on Innodb
ALTER TABLE t1 ADD COLUMN e SMALLINT AS (a) VIRTUAL, WITHOUT VALIDATION,
ALGORITHM=INPLACE, LOCK=NONE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
Shouldn't fail on Innodb
ALTER TABLE t1 ADD COLUMN f SMALLINT AS (a) VIRTUAL, WITHOUT VALIDATION,
ALGORITHM=INPLACE, LOCK=SHARED;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
Shouldn't fail on Innodb
ALTER TABLE t1 ADD COLUMN g SMALLINT AS (a) VIRTUAL, WITHOUT VALIDATION,
ALGORITHM=INPLACE, LOCK=EXCLUSIVE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
DROP TABLE t1;
#
# Bug#21980430 GCOLS: CRASHING
#
CREATE TABLE t (
a INT,
b BLOB,
c BLOB GENERATED ALWAYS AS (a+b) VIRTUAL,
UNIQUE KEY i0008 (a)
);
INSERT INTO t(a,b) VALUES(1,'cccc');
EXPLAIN SELECT /*+ bka() */ 1 AS c FROM t AS b RIGHT JOIN t AS c ON b.a > c.c
WHERE b.b>c.a;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1003 /* select#1 */ select /*+ BKA(@`select#1`) */ 1 AS `c` from dual where (('cccc' > '1') and ('1' > '1'))
SELECT /*+ bka() */ 1 AS c FROM t AS b RIGHT JOIN t AS c ON b.a > c.c
WHERE b.b>c.a;
c
DROP TABLE t;
set @optimizer_switch_save = @@optimizer_switch;
set optimizer_switch='mrr_cost_based=off';
set @read_rnd_buffer_size_save= @@read_rnd_buffer_size;
set read_rnd_buffer_size=32;
CREATE TABLE t0 (
i1 INTEGER NOT NULL
);
INSERT INTO t0 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t1 (
pk INTEGER NOT NULL,
i1 INTEGER NOT NULL,
i2 INTEGER NOT NULL,
v1 INTEGER GENERATED ALWAYS AS (i2 + 1) VIRTUAL,
v2 INTEGER GENERATED ALWAYS AS (i1 / (i1 - i2 + 57)) VIRTUAL,
PRIMARY KEY (pk),
INDEX idx(i1)
);
INSERT INTO t1 (pk, i1, i2)
SELECT a0.i1 + a1.i1*10 + a2.i1*100,
a0.i1 + a1.i1*10,
a0.i1 + a1.i1*10
FROM t0 AS a0, t0 AS a1, t0 AS a2;
EXPLAIN SELECT * FROM t1
WHERE i1 > 41 AND i1 <= 43;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL range idx idx 4 NULL 19 100.00 Using index condition; Using MRR
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t1`.`i2` AS `i2`,`test`.`t1`.`v1` AS `v1`,`test`.`t1`.`v2` AS `v2` from `test`.`t1` where ((`test`.`t1`.`i1` > 41) and (`test`.`t1`.`i1` <= 43))
SELECT * FROM t1
WHERE i1 > 41 AND i1 <= 43;
pk i1 i2 v1 v2
142 42 42 43 1
143 43 43 44 1
242 42 42 43 1
243 43 43 44 1
342 42 42 43 1
343 43 43 44 1
42 42 42 43 1
43 43 43 44 1
442 42 42 43 1
443 43 43 44 1
542 42 42 43 1
543 43 43 44 1
642 42 42 43 1
643 43 43 44 1
742 42 42 43 1
743 43 43 44 1
842 42 42 43 1
843 43 43 44 1
942 42 42 43 1
943 43 43 44 1
EXPLAIN SELECT * FROM t1
WHERE v1 > 41 AND v1 <= 43;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1000 11.11 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t1`.`i2` AS `i2`,`test`.`t1`.`v1` AS `v1`,`test`.`t1`.`v2` AS `v2` from `test`.`t1` where ((`test`.`t1`.`v1` > 41) and (`test`.`t1`.`v1` <= 43))
SELECT * FROM t1
WHERE v1 > 41 AND v1 <= 43;
pk i1 i2 v1 v2
141 41 41 42 1
142 42 42 43 1
241 41 41 42 1
242 42 42 43 1
341 41 41 42 1
342 42 42 43 1
41 41 41 42 1
42 42 42 43 1
441 41 41 42 1
442 42 42 43 1
541 41 41 42 1
542 42 42 43 1
641 41 41 42 1
642 42 42 43 1
741 41 41 42 1
742 42 42 43 1
841 41 41 42 1
842 42 42 43 1
941 41 41 42 1
942 42 42 43 1
DROP TABLE t0, t1;
set optimizer_switch= @optimizer_switch_save;
set @@read_rnd_buffer_size= @read_rnd_buffer_size_save;
#
# Bug#21872184 CONDITIONAL JUMP AT JOIN_CACHE::WRITE_RECORD_DATA IN
# SQL_JOIN_BUFFER.CC
#
#
# Test 1: Dynamic range scan with one covering index
#
CREATE TABLE t1 (
i1 INTEGER NOT NULL,
c1 VARCHAR(1) NOT NULL
);
INSERT INTO t1
VALUES (10, 'c'), (10, 'i'), (2, 't'), (4, 'g');
CREATE TABLE t2 (
i1 INTEGER NOT NULL,
c1 VARCHAR(1) NOT NULL
);
INSERT INTO t2
VALUES (2, 'k'), (9, 'k'), (7, 'o'), (5, 'n'), (7, 'e');
CREATE TABLE t3 (
pk INTEGER NOT NULL,
i1 INTEGER,
i2_key INTEGER GENERATED ALWAYS AS (i1 + i1) VIRTUAL NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t3 (pk, i1)
VALUES (1, 1), (2, 48), (3, 228), (4, 3), (5, 5),
(6, 39), (7, 6), (8, 8), (9, 3);
CREATE TABLE t4 (
i1 INTEGER NOT NULL,
c1 VARCHAR(1) NOT NULL
);
INSERT INTO t4
VALUES (1, 'j'), (2, 'c'), (0, 'a');
ANALYZE TABLE t1, t2, t3, t4;
Table Op Msg_type Msg_text
test.t1 analyze status OK
test.t2 analyze status OK
test.t3 analyze status OK
test.t4 analyze status OK
EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o'
)
)
AND t1.i1 <= t3.i2_key;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL
1 PRIMARY t3 NULL ALL NULL NULL NULL NULL 9 33.33 Using where; Using join buffer (Block Nested Loop)
1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using join buffer (Block Nested Loop)
2 SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,`test`.`t3`.`pk` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`i1` from `test`.`t4` where (`test`.`t4`.`c1` < 'o') ), <primary_index_lookup>(`test`.`t3`.`pk` in <temporary table> on <auto_key> where ((`test`.`t3`.`pk` = `materialized-subquery`.`i1`))))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`))
SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o'
)
)
AND t1.i1 <= t3.i2_key;
c1 i1
c 2
c 5
c 7
c 7
c 9
g 2
g 5
g 7
g 7
g 9
i 2
i 5
i 7
i 7
i 9
t 2
t 2
t 5
t 5
t 7
t 7
t 7
t 7
t 9
t 9
#
# Test 2: Two alternative covering indexes for the range scan
#
EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o'
)
)
AND t1.i1 <= t3.i2_key;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL
1 PRIMARY t3 NULL ALL NULL NULL NULL NULL 9 33.33 Using where; Using join buffer (Block Nested Loop)
1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using join buffer (Block Nested Loop)
2 SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,`test`.`t3`.`pk` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`i1` from `test`.`t4` where (`test`.`t4`.`c1` < 'o') ), <primary_index_lookup>(`test`.`t3`.`pk` in <temporary table> on <auto_key> where ((`test`.`t3`.`pk` = `materialized-subquery`.`i1`))))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`))
SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o'
)
)
AND t1.i1 <= t3.i2_key;
c1 i1
c 2
c 5
c 7
c 7
c 9
g 2
g 5
g 7
g 7
g 9
i 2
i 5
i 7
i 7
i 9
t 2
t 2
t 5
t 5
t 7
t 7
t 7
t 7
t 9
t 9
#
# Test 3: One covering index including the base column for the virtual
# column
#
EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o'
)
)
AND t1.i1 <= t3.i2_key;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL
1 PRIMARY t3 NULL ALL NULL NULL NULL NULL 9 33.33 Using where; Using join buffer (Block Nested Loop)
1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using join buffer (Block Nested Loop)
2 SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,`test`.`t3`.`pk` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`i1` from `test`.`t4` where (`test`.`t4`.`c1` < 'o') ), <primary_index_lookup>(`test`.`t3`.`pk` in <temporary table> on <auto_key> where ((`test`.`t3`.`pk` = `materialized-subquery`.`i1`))))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`))
SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o'
)
)
AND t1.i1 <= t3.i2_key;
c1 i1
c 2
c 5
c 7
c 7
c 9
g 2
g 5
g 7
g 7
g 9
i 2
i 5
i 7
i 7
i 9
t 2
t 2
t 5
t 5
t 7
t 7
t 7
t 7
t 9
t 9
#
# Test 4: One non-covering index
#
# Add more data to the table so that it will run the dynamic range scan
# as both table scan and range scan (the purpose of this is to make the
# table scan more expensive).
INSERT INTO t3 (pk, i1)
VALUES (10,1), (11,1), (12,1), (13,1), (14,1),(15,1), (16,1),(17,1), (18,1),
(19,1), (20,1), (21,1), (22,1), (23,1), (24,1),(25,1),(26,1),(27,1),
(28,1), (29,1);
# Change the query to read an extra column (t3.i1) making the index
# non-covering.
EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1, t3.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o'
)
)
AND t1.i1 <= t3.i2_key;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL
1 PRIMARY t3 NULL ALL NULL NULL NULL NULL 29 33.33 Using where; Using join buffer (Block Nested Loop)
1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using join buffer (Block Nested Loop)
2 SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1`,`test`.`t3`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,`test`.`t3`.`pk` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`i1` from `test`.`t4` where (`test`.`t4`.`c1` < 'o') ), <primary_index_lookup>(`test`.`t3`.`pk` in <temporary table> on <auto_key> where ((`test`.`t3`.`pk` = `materialized-subquery`.`i1`))))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`))
SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1, t3.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o'
)
)
AND t1.i1 <= t3.i2_key;
c1 i1 i1
c 2 48
c 5 48
c 7 48
c 7 48
c 9 48
g 2 48
g 5 48
g 7 48
g 7 48
g 9 48
i 2 48
i 5 48
i 7 48
i 7 48
i 9 48
t 2 1
t 2 48
t 5 1
t 5 48
t 7 1
t 7 1
t 7 48
t 7 48
t 9 1
t 9 48
#
# Test 5: Test where the added primary key to secondary indexes is
# used after it has been included in the join buffer
#
EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o' and t4.i1 < (t2.i1 + 1)
)
)
AND t1.i1 <= t3.i2_key;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL
1 PRIMARY t3 NULL ALL NULL NULL NULL NULL 29 33.33 Using where; Using join buffer (Block Nested Loop)
1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (Block Nested Loop)
2 DEPENDENT SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Note 1276 Field or reference 'test.t2.i1' of SELECT #2 was resolved in SELECT #1
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,<exists>(/* select#2 */ select /*+ QB_NAME(`subq1`) */ 1 from `test`.`t4` where ((`test`.`t4`.`c1` < 'o') and (`test`.`t4`.`i1` < (`test`.`t2`.`i1` + 1)) and (<cache>(`test`.`t3`.`pk`) = `test`.`t4`.`i1`)))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`))
SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1
FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2
WHERE ( t3.pk IN
(
SELECT /*+ QB_NAME(subq1) */ t4.i1
FROM t4
WHERE t4.c1 < 'o' and t4.i1 < (t2.i1 + 1)
)
)
AND t1.i1 <= t3.i2_key;
c1 i1
c 2
c 5
c 7
c 7
c 9
g 2
g 5
g 7
g 7
g 9
i 2
i 5
i 7
i 7
i 9
t 2
t 2
t 5
t 5
t 7
t 7
t 7
t 7
t 9
t 9
DROP TABLE t1, t2, t3, t4;
SET optimizer_switch='derived_merge=default';
DROP VIEW IF EXISTS v1,v2;
DROP TABLE IF EXISTS t1,t2,t3;
DROP PROCEDURE IF EXISTS p1;
DROP FUNCTION IF EXISTS f1;
DROP TRIGGER IF EXISTS trg1;
DROP TRIGGER IF EXISTS trg2;
set sql_warnings = 0;