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Bug#30951: makedate returns different results depending on version of mysql

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makedate() will fold years below 100 into the 1970-2069 range. CS removes code
that also wrongly folded years between 100 and 200 into that range, which should
be left unchanged. Backport from 5.1.
This commit is contained in:
tnurnberg@sin.intern.azundris.com
2007-10-12 11:46:48 +02:00
parent fa5eb277ec
commit 57dc381268
3 changed files with 4 additions and 5 deletions
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3
mysql-test/r/func_sapdb.result
View File

@@ -93,6 +93,9 @@ makedate(9999,365)
select makedate(9999,366);
makedate(9999,366)
NULL
select makedate(100,1);
makedate(100,1)
0100-01-01
select addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002");
addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002")
1998-01-02 01:01:01.000001

1
mysql-test/t/func_sapdb.test
View File

@@ -47,6 +47,7 @@ select makedate(1997,1);
select makedate(1997,0);
select makedate(9999,365);
select makedate(9999,366);
select makedate(100,1);
#Time functions

5
sql-common/my_time.c
View File

@@ -769,11 +769,6 @@ long calc_daynr(uint year,uint month,uint day)
if (year == 0 && month == 0 && day == 0)
DBUG_RETURN(0); /* Skip errors */
if (year < 200)
{
if ((year=year+1900) < 1900+YY_PART_YEAR)
year+=100;
}
delsum= (long) (365L * year+ 31*(month-1) +day);
if (month <= 2)
year--;