Current File : //usr/share/mysql-test/suite/opt_trace/include/bugs.inc
# Regressiontest for statements that failed with optimizer tracing enabled.
--source include/have_optimizer_trace.inc
# InnoDB page size influences cost numbers
--source include/have_innodb_16k.inc
let $DEFAULT_TRACE_MEM_SIZE=1048576; # 1MB
eval set optimizer_trace_max_mem_size=$DEFAULT_TRACE_MEM_SIZE;
SET end_markers_in_json=on;
SET optimizer_trace="enabled=on,one_line=off";
--echo #
--echo # BUG#12430646 - SEL_ARG::LEFT AND RIGHT POINTERS INCORRECTLY
--echo # USED. CRASHES OPTIMIZER TRACING
--echo #
CREATE TABLE t1 (
a INT,
b CHAR(2),
c INT,
d INT,
KEY (c),
KEY (d,a,b(2)),
KEY (b(1))
);
INSERT INTO t1 VALUES (NULL, 'a', 1, 2), (NULL, 'a', 1, 2),
(1, 'a', 1, 2), (1, 'a', 1, 2);
CREATE TABLE t2 (
a INT,
c INT,
e INT,
KEY (e)
);
INSERT INTO t2 VALUES (1, 1, NULL), (1, 1, NULL);
SELECT 1
FROM t1, t2
WHERE t1.d <> '1' AND t1.b > '1'
AND t1.a = t2.a AND t1.c = t2.c;
DROP TABLE t1, t2;
--echo #
--echo # BUG#12595210 - JSON SYNTAX ERROR ASSERT ON WHERE FIELD NOT IN SUBQUERY
--echo #
# This trace exhibits a non-empty
# "evaluating_constant_where_conditions" object which is rare.
CREATE TABLE t1 (
pk INT NOT NULL AUTO_INCREMENT,
col_int_key INT DEFAULT NULL,
col_varchar_key VARCHAR(1) DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=InnoDB;
CREATE TABLE t2 (
pk INT NOT NULL AUTO_INCREMENT,
col_int_key INT DEFAULT NULL,
col_varchar_key VARCHAR(1) DEFAULT NULL,
col_varchar_nokey VARCHAR(1) DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=InnoDB;
CREATE TABLE t3 (
pk INT NOT NULL AUTO_INCREMENT,
col_int_key INT DEFAULT NULL,
col_varchar_key VARCHAR(1) DEFAULT NULL,
col_varchar_nokey VARCHAR(1) DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=InnoDB;
CREATE TABLE t4 (
pk INT NOT NULL AUTO_INCREMENT,
col_int_key INT DEFAULT NULL,
col_varchar_key VARCHAR(1) DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=InnoDB;
CREATE VIEW view_t4 AS SELECT * FROM t4;
let $query=
SELECT
(
SELECT SUM(sq1_alias1.pk) AS sq1_field1
FROM view_t4 AS sq1_alias1
INNER JOIN t1 AS sq1_alias2 ON (sq1_alias2.col_varchar_key =
sq1_alias1.col_varchar_key )
) AS field1,
alias1.col_varchar_nokey AS field2
FROM (t2 AS alias1
LEFT JOIN ( t2 AS alias2
LEFT OUTER JOIN t2 AS alias3 ON (alias3.col_varchar_nokey =
alias2.col_varchar_key )
) ON (alias3.col_varchar_key = alias2.col_varchar_key)
)
WHERE ( alias2.col_varchar_key IN (
SELECT sq2_alias1.col_varchar_nokey AS sq2_field1
FROM t3 AS sq2_alias1
WHERE sq2_alias1.col_varchar_nokey <= alias1.col_varchar_key
)
);
eval CREATE TABLE where_subselect_19379 $query;
--disable_ps_protocol # because of BUG#12595688
eval SELECT * FROM where_subselect_19379 WHERE (field1, field2) NOT IN
($query);
--enable_ps_protocol
select * from information_schema.OPTIMIZER_TRACE;
drop table t1,t2,t3,t4,where_subselect_19379;
drop view view_t4;
--echo #
--echo # BUG#12607524 JSON PARSE ERROR ON SELECT ... FROM ... WHERE .. IN (SUBQUERY)
--echo #
CREATE TABLE t1 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (8,'g');
CREATE TABLE t2 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM;
INSERT INTO t2 VALUES (7,'x');
CREATE TABLE where_subselect_19033
SELECT
( SELECT col_int_key FROM t2 ) as field1
FROM t1
;
SELECT * FROM where_subselect_19033;
SELECT field1
FROM where_subselect_19033
WHERE field1 IN
( SELECT
( SELECT col_int_key FROM t2 )
FROM t1
)
;
SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
DROP TABLE where_subselect_19033,t1,t2;
--echo
--echo # BUG#12612201 - SEGFAULT IN
--echo # SUBSELECT_UNIQUESUBQUERY_ENGINE::PRINT WITH OPTIMIZER TRACE
--echo
CREATE TABLE t1 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL
);
CREATE TABLE t2 (
pk int(11) NOT NULL AUTO_INCREMENT,
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (1,4,'v','v'),(20,5,'r','r');
CREATE TABLE t3 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL
);
INSERT INTO t3 VALUES (NULL,'j','j'),(8,'c','c');
let $query=
select count( alias2 . col_varchar_key ) as field1
from (
(select sq1_alias1 . *
from ( t3 as sq1_alias1
straight_join t1 as sq1_alias2
on (sq1_alias2 . col_varchar_key = sq1_alias1 . col_varchar_key)
)
where sq1_alias1 . col_int_key in (
select c_sq1_alias1 . pk as c_sq1_field1
from t2 as c_sq1_alias1
)
) as alias1
left outer join t1 as alias2
on (alias2 . col_varchar_key = alias1 . col_varchar_key )
)
where ( alias2 . col_varchar_key in (
select sq2_alias1 . col_varchar_nokey as sq2_field1
from t2 as sq2_alias1
where sq2_alias1 . col_int_key in (
select distinct c_sq2_alias1 . col_int_key as c_sq2_field1
from t3 as c_sq2_alias1
)
) )
or alias1 . col_int_key = 2
and alias2 . col_varchar_nokey <= alias1 . col_varchar_nokey
order by alias1 . col_varchar_key , field1
;
eval CREATE TABLE where_updatedelete_20769 $query;
eval UPDATE where_updatedelete_20769 SET field1 = ( $query );
DROP TABLE where_updatedelete_20769;
DROP TABLE t1,t2,t3;
--echo
--echo # BUG#12710761 - INVALID JSON TRACE ON SUBQUERY IN IN-CLAUSE
--echo
CREATE TABLE t1 (col_int_key int, KEY col_int_key (col_int_key));
INSERT INTO t1 VALUES (0),(8),(1),(8);
CREATE TABLE where_subselect_20070
SELECT table2 .col_int_key AS field1,
( SELECT COUNT( col_int_key )
FROM t1
)
FROM t1 AS table1
JOIN t1 AS table2
ON table2 .col_int_key = table1 .col_int_key;
SELECT *
FROM where_subselect_20070
WHERE (field1, ( SELECT COUNT( col_int_key ) FROM t1 )) IN (
SELECT table2 .col_int_key AS field1,
( SELECT COUNT( col_int_key )
FROM t1
)
FROM t1 AS table1
JOIN t1 AS table2
ON table2 .col_int_key = table1 .col_int_key
);
select * from information_schema.optimizer_trace;
DROP TABLE where_subselect_20070,t1;
--echo #
--echo # Bug#13430443 - ASSERTION `NEW_TYPE[0] != 'U'' FAILED. WHEN
--echo # OPTIMIZER_TRACE IS ENABLED
--echo #
CREATE TABLE t1
(a INT,b INT,c INT, KEY(a),KEY (a,c)) ENGINE=INNODB;
SELECT 1 FROM t1 WHERE 1 LIKE
(SELECT a FROM t1 WHERE a = 1 ORDER BY c);
SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
DROP TABLE t1;
--echo #
--echo # Bug#18791851 CRASH IN ST_SELECT_LEX::PRINT WITH OPTIMIZER_TRACE ON SUBQUERY
--echo #
CREATE TABLE t1 (
pk INT NOT NULL,
col_int_nokey INT,
col_int_key INT,
col_time_key time,
col_varchar_key VARCHAR(1),
col_varchar_nokey VARCHAR(1),
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key,col_int_key)
);
CREATE TABLE t2 (
pk INT NOT NULL,
col_int_nokey INT,
col_int_key INT,
col_varchar_key VARCHAR(1),
col_varchar_nokey VARCHAR(1),
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key,col_int_key)
);
CREATE TABLE t3 (
pk INT NOT NULL,
col_int_nokey INT,
col_int_key INT,
col_varchar_key VARCHAR(1),
col_varchar_nokey VARCHAR(1),
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key,col_int_key)
);
CREATE TABLE t4 (
pk INT NOT NULL,
col_int_nokey INT,
col_int_key INT,
col_time_key time,
col_varchar_key VARCHAR(1),
col_varchar_nokey VARCHAR(1),
PRIMARY KEY (pk),
KEY col_varchar_key (col_varchar_key,col_int_key)
);
SELECT alias1.col_int_nokey AS field1,
alias2.col_varchar_key AS field2,
alias1.col_time_key AS field3,
MIN( alias1.col_int_nokey ) AS field4
FROM (
(
SELECT SQ1_alias1.*
FROM ( t1 AS SQ1_alias1, t2 AS SQ1_alias2 )
) AS alias1,
t4 AS alias2
)
WHERE
EXISTS (
SELECT DISTINCT SQ2_alias2.col_varchar_nokey AS SQ2_field1
FROM t2 AS SQ2_alias1
INNER JOIN (t4 AS SQ2_alias2
INNER JOIN t3 AS SQ2_alias3
ON SQ2_alias3.pk = SQ2_alias2.pk)
ON SQ2_alias3.col_varchar_key = SQ2_alias2.col_varchar_nokey
)
AND alias1.col_int_key = alias2.pk
HAVING alias1.col_int_nokey IN ( SELECT 2 FROM DUAL ) ;
DROP TABLE t1,t2,t3,t4;
--echo #
--echo # Bug #23259872: OPTIMIZER CHOOSES TO USE NON PRIMARY
--echo # INDEX, EVEN THOUGH COST IS HIGHER
--echo #
CREATE TABLE t1 (
a TINYTEXT NOT NULL,
b TINYINT(3) UNSIGNED NOT NULL,
PRIMARY KEY (a(32),b),
KEY b_idx(b)
) ENGINE=INNODB;
INSERT INTO t1 VALUES ('a',1),('a',2),('a',3),('b',1),('b',4),('c',1),('d',1),
('c',4),('d',3),('e',2),('f',2);
ANALYZE TABLE t1;
SET @optimizer_switch_saved=@@session.optimizer_switch;
SET @@session.optimizer_switch=default;
# Uses "access_type_changed" to use range over ref despite b_idx not being the
# cheapest in range.
EXPLAIN SELECT * FROM t1 WHERE a IN ('a', 'b') AND b = 2;
# Output of table_scan in test_quick_select is not always reliable.
SELECT TRACE into @trace FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SELECT @trace RLIKE "rerunning_range_optimizer_for_single_index";
SET @@session.optimizer_switch=@optimizer_switch_saved;
DROP TABLE t1;
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