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This commit is contained in:
Georgi Kodinov 2009-10-30 10:03:18 +02:00
commit bba3b76cdb
3 changed files with 111 additions and 0 deletions
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54
mysql-test/t/join.test
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@ -730,6 +730,60 @@ SELECT * FROM t1 JOIN t2 ON a=c ORDER BY a;
DROP TABLE IF EXISTS t1,t2;
--echo #
--echo # Bug #42116: Mysql crash on specific query
--echo #
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
CREATE TABLE t3 (a INT, INDEX (a));
CREATE TABLE t4 (a INT);
CREATE TABLE t5 (a INT);
CREATE TABLE t6 (a INT);
INSERT INTO t1 VALUES (1), (1), (1);
INSERT INTO t2 VALUES
(2), (2), (2), (2), (2), (2), (2), (2), (2), (2);
INSERT INTO t3 VALUES
(3), (3), (3), (3), (3), (3), (3), (3), (3), (3);
EXPLAIN
SELECT *
FROM
t1 JOIN t2 ON t1.a = t2.a
LEFT JOIN
(
(
t3 LEFT JOIN t4 ON t3.a = t4.a
)
LEFT JOIN
(
t5 LEFT JOIN t6 ON t5.a = t6.a
)
ON t4.a = t5.a
)
ON t1.a = t3.a;
SELECT *
FROM
t1 JOIN t2 ON t1.a = t2.a
LEFT JOIN
(
(
t3 LEFT JOIN t4 ON t3.a = t4.a
)
LEFT JOIN
(
t5 LEFT JOIN t6 ON t5.a = t6.a
)
ON t4.a = t5.a
)
ON t1.a = t3.a;
DROP TABLE t1,t2,t3,t4,t5,t6;
--echo End of 5.0 tests.