Merge mysql.com:/usr/home/ram/work/bug23653/my41-bug23653

into  mysql.com:/usr/home/ram/work/bug23653/my50-bug23653
parents e9b42a4b 4b823e04
...@@ -1047,6 +1047,9 @@ union ...@@ -1047,6 +1047,9 @@ union
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H); (select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H);
H H
5 5
select last_day('0000-00-00');
last_day('0000-00-00')
NULL
End of 4.1 tests End of 4.1 tests
explain extended select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a1, 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; timestampdiff(SQL_TSI_FRAC_SECOND, '2001-02-01 12:59:59.120000', '2001-05-01 12:58:58.119999') as a2;
......
...@@ -564,6 +564,12 @@ union ...@@ -564,6 +564,12 @@ union
union union
(select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 HOUR)),'%k') As H); (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 --echo End of 4.1 tests
explain extended select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a1, explain extended select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a1,
......
...@@ -3369,7 +3369,8 @@ String *Item_func_str_to_date::val_str(String *str) ...@@ -3369,7 +3369,8 @@ String *Item_func_str_to_date::val_str(String *str)
bool Item_func_last_day::get_date(TIME *ltime, uint fuzzy_date) 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; return 1;
uint month_idx= ltime->month-1; uint month_idx= ltime->month-1;
ltime->day= days_in_month[month_idx]; ltime->day= days_in_month[month_idx];
......
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