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This commit is contained in:
Tatiana A. Nurnberg 2009-01-09 14:22:15 +01:00
commit d3c4a5cb10
3 changed files with 29 additions and 6 deletions
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10
mysql-test/r/date_formats.result
View file

@ -590,3 +590,13 @@ select str_to_date('04/30/2004 ', '%m/%d/%Y ');
str_to_date('04/30/2004 ', '%m/%d/%Y ')
2004-04-30
"End of 4.1 tests"
SELECT DATE_FORMAT("0000-01-01",'%W %d %M %Y') as valid_date;
valid_date
Sunday 01 January 0000
SELECT DATE_FORMAT("0000-02-28",'%W %d %M %Y') as valid_date;
valid_date
Tuesday 28 February 0000
SELECT DATE_FORMAT("2009-01-01",'%W %d %M %Y') as valid_date;
valid_date
Thursday 01 January 2009
"End of 5.0 tests"

12
mysql-test/t/date_formats.test
View file

@ -340,3 +340,15 @@ select str_to_date('04/30 /2004', '%m /%d /%Y');
select str_to_date('04/30/2004 ', '%m/%d/%Y ');
--echo "End of 4.1 tests"
#
# Bug #41470: DATE_FORMAT() crashes the complete server with a valid date
#
# show that these two do not crash the server:
SELECT DATE_FORMAT("0000-01-01",'%W %d %M %Y') as valid_date;
SELECT DATE_FORMAT("0000-02-28",'%W %d %M %Y') as valid_date;
# show that date within the Gregorian range render correct results: (THU)
SELECT DATE_FORMAT("2009-01-01",'%W %d %M %Y') as valid_date;
--echo "End of 5.0 tests"

13
sql-common/my_time.c
View file

@ -762,19 +762,20 @@ long calc_daynr(uint year,uint month,uint day)
{
long delsum;
int temp;
int y= year; /* may be < 0 temporarily */
DBUG_ENTER("calc_daynr");
if (year == 0 && month == 0 && day == 0)
if (y == 0 && month == 0 && day == 0)
DBUG_RETURN(0); /* Skip errors */
delsum= (long) (365L * year+ 31*(month-1) +day);
delsum= (long) (365L * y+ 31*(month-1) +day);
if (month <= 2)
year--;
y--;
else
delsum-= (long) (month*4+23)/10;
temp=(int) ((year/100+1)*3)/4;
temp=(int) ((y/100+1)*3)/4;
DBUG_PRINT("exit",("year: %d month: %d day: %d -> daynr: %ld",
year+(month <= 2),month,day,delsum+year/4-temp));
DBUG_RETURN(delsum+(int) year/4-temp);
y+(month <= 2),month,day,delsum+y/4-temp));
DBUG_RETURN(delsum+(int) y/4-temp);
} /* calc_daynr */