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Merge test cases for bugs that were fixed by MWL#89.

parents f222a513 e98aecc2
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mysql-test/r/subselect4.result
View file @ d4306393
......@@ -1815,4 +1815,200 @@ SELECT DISTINCT f4
FROM t1));
f2 f1
drop table t1, t2, t3, t4;
#
# LP BUG#611690 Crash in select_describe() with nested subqueries
#
CREATE TABLE t1 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES (8,'v','v');
INSERT INTO t1 VALUES (9,'r','r');
CREATE TABLE t2 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES (2,'w','w');
INSERT INTO t2 VALUES (9,'m','m');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='subquery_cache=off,materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL col_int_key 5 NULL 2 Using index
2 SUBQUERY SUBQUERY2_t1 index NULL col_int_key 5 NULL 2 Using index
2 SUBQUERY SUBQUERY2_t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
col_int_key
set @@optimizer_switch='subquery_cache=off,materialization=off,in_to_exists=on,semijoin=off';
EXPLAIN
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL col_int_key 5 NULL 2 Using index
2 SUBQUERY SUBQUERY2_t1 index NULL col_int_key 5 NULL 2 Using index
2 SUBQUERY SUBQUERY2_t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
3 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
col_int_key
drop table t1, t2;
set @@optimizer_switch = @old_optimizer_switch;
#
# LP BUG#612543 Crash in Item_field::used_tables() with view + subquery + prepared statements
#
CREATE TABLE t1 ( f1 int(11), f2 varchar(1));
CREATE TABLE t2 ( f3 varchar(1));
insert into t1 values (2,'x'), (5,'y');
insert into t2 values ('x'), ('z');
CREATE VIEW v2 AS SELECT * FROM t2;
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2
PREPARE st1 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st1;
f1 f2 f3
2 x x
5 y x
EXECUTE st1;
f1 f2 f3
2 x x
5 y x
set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where
PREPARE st2 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st2;
f1 f2 f3
2 x x
5 y x
EXECUTE st2;
f1 f2 f3
2 x x
5 y x
set @@optimizer_switch='materialization=on,in_to_exists=on,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2
PREPARE st3 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st3;
f1 f2 f3
2 x x
5 y x
EXECUTE st3;
f1 f2 f3
2 x x
5 y x
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2;
drop view v2;
#
# LP BUG#611396 RQG: crash in Item_field::register_field_in_read_map with semijoin=off
# and prepared statements and materialization
CREATE TABLE t1 ( f1 int(11), f2 int(11)) ;
CREATE TABLE t2 ( f1 int(11), f4 varchar(1), PRIMARY KEY (f1)) ;
INSERT INTO t2 VALUES ('23','j'),('24','e');
CREATE TABLE t3 ( f1 int(11), f4 varchar(1)) ;
INSERT INTO t3 VALUES ('8','j');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 system NULL NULL NULL NULL 1 Using temporary; Using filesort
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
PREPARE st1 FROM "
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2";
EXECUTE st1;
f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
23 NULL
EXECUTE st1;
f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
23 NULL
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2, t3;
#
# LP BUG#611382 RQG: Query returns extra rows when executed with materialization=on
#
CREATE TABLE t1 ( f4 varchar(1)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (NULL);
CREATE TABLE t2 ( f2 date, f3 varchar(1), f4 varchar(1)) ;
INSERT INTO t2 VALUES ('2005-05-03','c','c'),('1900-01-01','d','d');
CREATE TABLE t3 ( f3 varchar(1)) ;
INSERT INTO t3 VALUES ('c');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t3 system NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
f4
set @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off';
EXPLAIN SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t3 system NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
f4
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2, t3;
set optimizer_switch=@subselect4_tmp;
mysql-test/t/subselect4.test
View file @ d4306393
......@@ -1494,4 +1494,175 @@ WHERE t3.f1 = (
drop table t1, t2, t3, t4;
--echo #
--echo # LP BUG#611690 Crash in select_describe() with nested subqueries
--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,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES (8,'v','v');
INSERT INTO t1 VALUES (9,'r','r');
CREATE TABLE t2 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES (2,'w','w');
INSERT INTO t2 VALUES (9,'m','m');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='subquery_cache=off,materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
set @@optimizer_switch='subquery_cache=off,materialization=off,in_to_exists=on,semijoin=off';
EXPLAIN
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
drop table t1, t2;
set @@optimizer_switch = @old_optimizer_switch;
--echo #
--echo # LP BUG#612543 Crash in Item_field::used_tables() with view + subquery + prepared statements
--echo #
CREATE TABLE t1 ( f1 int(11), f2 varchar(1));
CREATE TABLE t2 ( f3 varchar(1));
insert into t1 values (2,'x'), (5,'y');
insert into t2 values ('x'), ('z');
CREATE VIEW v2 AS SELECT * FROM t2;
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
PREPARE st1 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st1;
EXECUTE st1;
set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
PREPARE st2 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st2;
EXECUTE st2;
set @@optimizer_switch='materialization=on,in_to_exists=on,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
PREPARE st3 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st3;
EXECUTE st3;
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2;
drop view v2;
--echo #
--echo # LP BUG#611396 RQG: crash in Item_field::register_field_in_read_map with semijoin=off
--echo # and prepared statements and materialization
CREATE TABLE t1 ( f1 int(11), f2 int(11)) ;
CREATE TABLE t2 ( f1 int(11), f4 varchar(1), PRIMARY KEY (f1)) ;
INSERT INTO t2 VALUES ('23','j'),('24','e');
CREATE TABLE t3 ( f1 int(11), f4 varchar(1)) ;
INSERT INTO t3 VALUES ('8','j');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2;
PREPARE st1 FROM "
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2";
EXECUTE st1;
EXECUTE st1;
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2, t3;
--echo #
--echo # LP BUG#611382 RQG: Query returns extra rows when executed with materialization=on
--echo #
CREATE TABLE t1 ( f4 varchar(1)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (NULL);
CREATE TABLE t2 ( f2 date, f3 varchar(1), f4 varchar(1)) ;
INSERT INTO t2 VALUES ('2005-05-03','c','c'),('1900-01-01','d','d');
CREATE TABLE t3 ( f3 varchar(1)) ;
INSERT INTO t3 VALUES ('c');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
set @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off';
EXPLAIN SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2, t3;
set optimizer_switch=@subselect4_tmp;
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