Commit 4e2b6d45 authored by Igor Babaev's avatar Igor Babaev

Back-ported test cases for bug #59919 of mysql-5.6 code line. The bug could

not be reproduced in the latest release of mariadb-5.3 as it was was fixed
by Sergey Petrunia when working on the problems concerning outer joins within
in subqueries converted to semi-joins.


parent 5db8b511
...@@ -1538,6 +1538,58 @@ deallocate prepare s; ...@@ -1538,6 +1538,58 @@ deallocate prepare s;
set optimizer_switch=@save_optimizer_switch; set optimizer_switch=@save_optimizer_switch;
DROP TABLE ot1, ot2, ot3, it1; DROP TABLE ot1, ot2, ot3, it1;
# #
# Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
#
CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1,1), (2,1);
INSERT INTO t3 VALUES
(1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
(9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 14 Using where
2 MATERIALIZED t1 system NULL NULL NULL NULL 1
2 MATERIALIZED b1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED b2 ALL NULL NULL NULL NULL 2
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
f1 f2
1 1
2 1
8 1
3 1
set optimizer_switch='semijoin=on,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 1
1 PRIMARY t3 ALL NULL NULL NULL NULL 14 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED b1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED b2 ALL NULL NULL NULL NULL 2
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
f1 f2
1 1
2 1
8 1
3 1
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2, t3 ;
#
#
# BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3 # BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3
# #
CREATE TABLE t1 ( t1field integer, primary key (t1field)); CREATE TABLE t1 ( t1field integer, primary key (t1field));
......
...@@ -1551,6 +1551,58 @@ deallocate prepare s; ...@@ -1551,6 +1551,58 @@ deallocate prepare s;
set optimizer_switch=@save_optimizer_switch; set optimizer_switch=@save_optimizer_switch;
DROP TABLE ot1, ot2, ot3, it1; DROP TABLE ot1, ot2, ot3, it1;
# #
# Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
#
CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1,1), (2,1);
INSERT INTO t3 VALUES
(1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
(9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 14 Using where
2 MATERIALIZED t1 system NULL NULL NULL NULL 1
2 MATERIALIZED b1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED b2 ALL NULL NULL NULL NULL 2
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
f1 f2
1 1
2 1
8 1
3 1
set optimizer_switch='semijoin=on,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 1
1 PRIMARY t3 ALL NULL NULL NULL NULL 14 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED b1 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED b2 ALL NULL NULL NULL NULL 2
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
f1 f2
1 1
2 1
8 1
3 1
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2, t3 ;
#
#
# BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3 # BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3
# #
CREATE TABLE t1 ( t1field integer, primary key (t1field)); CREATE TABLE t1 ( t1field integer, primary key (t1field));
......
...@@ -1353,6 +1353,45 @@ set optimizer_switch=@save_optimizer_switch; ...@@ -1353,6 +1353,45 @@ set optimizer_switch=@save_optimizer_switch;
DROP TABLE ot1, ot2, ot3, it1; DROP TABLE ot1, ot2, ot3, it1;
--echo #
--echo # Bug#59919/11766739: Crash in tmp_table_param::init() with semijoin=on
--echo #
CREATE TABLE t1 (f1 INTEGER) ENGINE=MyISAM;
CREATE TABLE t2 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
CREATE TABLE t3 (f1 INTEGER, f2 INTEGER) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1,1), (2,1);
INSERT INTO t3 VALUES
(1,1), (2,1), (5,4), (7,3), (8,2), (8,1), (7,3),
(9,5), (4,3), (7,2), (7,7), (3,1), (5,8), (9,7);
set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
set optimizer_switch='semijoin=on,materialization=on';
EXPLAIN
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
SELECT * FROM t3
WHERE f2 IN (SELECT t1.f1
FROM t1 LEFT OUTER JOIN (t2 AS b1 JOIN t2 AS b2 ON TRUE) ON TRUE);
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2, t3 ;
--echo #
--echo # --echo #
--echo # BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3 --echo # BUG#784723: Wrong result with semijoin + nested subqueries in maria-5.3
--echo # --echo #
......
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