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Merge mysql.com:/usr/home/ram/work/bug23653/my50-bug23653

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into  mysql.com:/usr/home/ram/work/bug23653/my51-bug23653
This commit is contained in:
ramil/ram@myoffice.izhnet.ru 2006-11-16 16:11:21 +04:00
commit 6ce719c515
3 changed files with 11 additions and 1 deletions
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3
mysql-test/r/func_time.result
View file

@ -1047,6 +1047,9 @@ union
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H);
H
5
select last_day('0000-00-00');
last_day('0000-00-00')
NULL
End of 4.1 tests
explain extended select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a1,
timestampdiff(SQL_TSI_FRAC_SECOND, '2001-02-01 12:59:59.120000', '2001-05-01 12:58:58.119999') as a2;

6
mysql-test/t/func_time.test
View file

@ -565,6 +565,12 @@ union
union
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H);
#
# Bug #23653: crash if last_day('0000-00-00')
#
select last_day('0000-00-00');
--echo End of 4.1 tests
explain extended select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a1,

3
sql/item_timefunc.cc
View file

@ -3244,7 +3244,8 @@ String *Item_func_str_to_date::val_str(String *str)
bool Item_func_last_day::get_date(TIME *ltime, uint fuzzy_date)
{
if (get_arg0_date(ltime, fuzzy_date & ~TIME_FUZZY_DATE))
if (get_arg0_date(ltime, fuzzy_date & ~TIME_FUZZY_DATE) ||
(ltime->month == 0))
return 1;
uint month_idx= ltime->month-1;
ltime->day= days_in_month[month_idx];