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MDEV-22268 virtual longlong Item_func_div::int_op(): Assertion `0' failed in Item_func_div::int_op

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Item_func_div::fix_length_and_dec_temporal() set the return data type to
integer in case of @div_precision_increment==0 for temporal input with FSP=0.
This caused Item_func_div to call int_op(), which is not implemented,
so a crash on DBUG_ASSERT(0) happened.

Fixing fix_length_and_dec_temporal() to set the result type to DECIMAL.
This commit is contained in:
Alexander Barkov
2020-06-13 09:30:04 +04:00
parent 81a08c5462
commit 6c30bc2181
4 changed files with 61 additions and 7 deletions
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30
mysql-test/main/func_math.result
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@ -2251,5 +2251,35 @@ SELECT ROUND( i, 18446744073709551594 ) AS f FROM t1;
f
DROP TABLE t1;
#
# MDEV-22268 virtual longlong Item_func_div::int_op(): Assertion `0' failed in Item_func_div::int_op
#
SET sql_mode='';
SET @@SESSION.div_precision_increment=0;
SELECT UTC_TIME / 0;
UTC_TIME / 0
NULL
SELECT TIMESTAMP'2001-01-01 00:00:00'/0;
TIMESTAMP'2001-01-01 00:00:00'/0
NULL
SELECT TIME'00:00:00'/0;
TIME'00:00:00'/0
NULL
CREATE TABLE t1 AS SELECT
UTC_TIME / 0 AS c1,
TIMESTAMP'2001-01-01 00:00:00'/0 AS c3,
TIME'00:00:00'/0 AS c4;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` decimal(7,0) DEFAULT NULL,
`c3` decimal(14,0) DEFAULT NULL,
`c4` decimal(7,0) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
SELECT(-0 * MOD((UTC_TIME / -0)MOD (ATAN('<img src_x0=x onerror="javascript:alert(0)">') MOD COT(0)),-0)) MOD (0 DIV 0);
ERROR 22003: DOUBLE value is out of range in 'cot(0)'
SET @@SESSION.div_precision_increment=DEFAULT;
SET sql_mode=DEFAULT;
#
# End of 10.3 tests
#