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MDEV-759 lp:998340 - Valgrind complains on simple selects containing expression DAY(FROM_UNIXTIME(-1))

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check item->null_value before using the result of item->val_int()
This commit is contained in:
Sergei Golubchik
2013-01-25 12:26:35 +01:00
parent 82fe8a4e71
commit 326d2d56fe
3 changed files with 43 additions and 6 deletions
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18
mysql-test/r/func_str.result
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@ -2628,4 +2628,22 @@ SELECT * FROM t1;
a
aaaaaaaaaaaaaa
DROP TABLE t1;
SELECT SUBSTRING('1', DAY(FROM_UNIXTIME(-1)));
SUBSTRING('1', DAY(FROM_UNIXTIME(-1)))
NULL
SELECT LEFT('1', DAY(FROM_UNIXTIME(-1)));
LEFT('1', DAY(FROM_UNIXTIME(-1)))
NULL
SELECT RIGHT('1', DAY(FROM_UNIXTIME(-1)));
RIGHT('1', DAY(FROM_UNIXTIME(-1)))
NULL
SELECT REPEAT('1', DAY(FROM_UNIXTIME(-1)));
REPEAT('1', DAY(FROM_UNIXTIME(-1)))
NULL
SELECT RPAD('hi', DAY(FROM_UNIXTIME(-1)),'?');
RPAD('hi', DAY(FROM_UNIXTIME(-1)),'?')
NULL
SELECT LPAD('hi', DAY(FROM_UNIXTIME(-1)),'?');
LPAD('hi', DAY(FROM_UNIXTIME(-1)),'?')
NULL
End of 5.1 tests