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MDEV-10347 mysqld got signal 11

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This commit is contained in:
Alexander Barkov 2016-11-02 08:20:15 +04:00
parent 554c60ab0d
commit c18054deb2
3 changed files with 39 additions and 0 deletions
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17
mysql-test/r/null.result
View file

@ -1572,6 +1572,23 @@ SELECT * FROM t1 WHERE NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(NULLIF(N
i
DROP TABLE t1;
#
# MDEV-10347 mysqld got signal 11
#
CREATE TABLE t1 (f1 VARCHAR(10), f2 VARCHAR(40));
CREATE TABLE t2 (f3 VARCHAR(20));
PREPARE stmt FROM "
SELECT (
SELECT IFNULL(f3,4) FROM t2
WHERE IFNULL(NULLIF(f1,''),1)
) AS sq
FROM t1
GROUP BY f2
";
EXECUTE stmt;
sq
DEALLOCATE PREPARE stmt;
DROP TABLE t2,t1;
#
# MDEV-10236 Where expression with NOT function gives incorrect result
#
CREATE TABLE t1 (c1 INT);

17
mysql-test/t/null.test
View file

@ -1006,6 +1006,23 @@ 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 # MDEV-10347 mysqld got signal 11
--echo #
CREATE TABLE t1 (f1 VARCHAR(10), f2 VARCHAR(40));
CREATE TABLE t2 (f3 VARCHAR(20));
PREPARE stmt FROM "
SELECT (
SELECT IFNULL(f3,4) FROM t2
WHERE IFNULL(NULLIF(f1,''),1)
) AS sq
FROM t1
GROUP BY f2
";
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
DROP TABLE t2,t1;
--echo #
--echo # MDEV-10236 Where expression with NOT function gives incorrect result

5
sql/item_cmpfunc.h
View file

@ -1022,6 +1022,11 @@ public:
Item_func_hybrid_field_type(thd, a, b, a),
m_cache(NULL)
{ arg_count--; }
void cleanup()
{
Item_func_hybrid_field_type::cleanup();
arg_count= 2; // See the comment to the constructor
}
bool date_op(MYSQL_TIME *ltime, uint fuzzydate);
double real_op();
longlong int_op();