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Post fix patch for bug#20577 and bug#46362.

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On 64-bits machines the calculation gets the wrong types and results
in very large numbers. Fixed by explicitly cast month to (int)
This commit is contained in:
Mattias Jonsson 2009-09-01 13:04:56 +02:00
parent 6bc9610022
commit 82a5cfa5ab
1 changed files with 3 additions and 2 deletions
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5
sql-common/my_time.c
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@ -775,11 +775,12 @@ long calc_daynr(uint year,uint month,uint day)
if (y == 0 && month == 0 && day == 0)
DBUG_RETURN(0); /* Skip errors */
delsum= (long) (365L * y+ 31*(month-1) +day);
/* Cast to int to be able to handle month == 0 */
delsum= (long) (365 * y + 31 *((int) month - 1) + (int) day);
if (month <= 2)
y--;
else
delsum-= (long) (month*4+23)/10;
delsum-= (long) ((int) month * 4 + 23) / 10;
temp=(int) ((y/100+1)*3)/4;
DBUG_PRINT("exit",("year: %d month: %d day: %d -> daynr: %ld",
y+(month <= 2),month,day,delsum+y/4-temp));