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MDEV-9683 Server crashes in Item::basic_const_item on numerous nested NULLIFs

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test case only
This commit is contained in:
Sergei Golubchik
2016-03-04 10:13:41 +01:00
parent 70f5fabdbf
commit 33d298493d
2 changed files with 15 additions and 0 deletions
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5
mysql-test/r/null.result
View File

@ -1566,6 +1566,11 @@ f1
EXECUTE stmt;
f1
DROP TABLE t1;
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1),(2);
SELECT * FROM t1 WHERE NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(i = ROUND(0), 14), 13), 12), 11), 10), 9), 8), 7), 6), 5), 4), 3), 2), 1);
i
DROP TABLE t1;
#
# End of 10.1 tests
#

10
mysql-test/t/null.test
View File

@ -997,6 +997,16 @@ PREPARE stmt FROM "SELECT * FROM t1 WHERE NULLIF( ( 1, 2 ) IN ( SELECT 3, 4 ), 1
EXECUTE stmt;
EXECUTE stmt;
DROP TABLE t1;
#
# MDEV-9683 Server crashes in Item::basic_const_item on numerous nested NULLIFs
#
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1),(2);
SELECT * FROM t1 WHERE NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(i = ROUND(0), 14), 13), 12), 11), 10), 9), 8), 7), 6), 5), 4), 3), 2), 1);
DROP TABLE t1;
--echo #
--echo # End of 10.1 tests
--echo #