Baron Schwartz schrieb: > On Dec 13, 2007 4:18 PM, Daniel Mikic <[EMAIL PROTECTED]> wrote: > >> Baron Schwartz wrote: >> >> Hi, >> >> On Dec 13, 2007 3:53 PM, Daniel Mikic <[EMAIL PROTECTED]> wrote: >> >> >> Hi, i hit a weird behavior: >> >> select date(null); #result is null >> select if(date(null) is null, 1, 2); #result is 2 (not null) >> select if(date(null) is not null, 1, 2); #result is 1 >> >> I use mysql version 5.0.32-Debian_7etch1-log. >> >> Is this a bug and if not, can anyone explain why? >> >> Seems to be a bug, but I can't reproduce on >> 5.0.45-Debian_1ubuntu3-log, where it works correctly. >> >> What do you get from this? >> >> mysql> select date(null) is null; >> +--------------------+ >> | date(null) is null | >> +--------------------+ >> | 1 | >> +--------------------+ >> 1 row in set (0.00 sec) >> >> >> Hi, here is the result: >> >> db2:~# mysql >> Welcome to the MySQL monitor. Commands end with ; or \g. >> Your MySQL connection id is 1909348 >> Server version: 5.0.32-Debian_7etch1-log Debian etch distribution >> >> Type 'help;' or '\h' for help. Type '\c' to clear the buffer. >> >> mysql> select date(null) is null; >> +--------------------+ >> | date(null) is null | >> +--------------------+ >> | 0 | >> +--------------------+ >> 1 row in set (0.00 sec) >> >> > > Definitely a bug. I'd see if it's been reported at > http://bugs.mysql.com/ and if not, report it anyway. If it has been > fixed "accidentally" there may not be a test case to prevent it from > happening in the future. > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] > > > Hi, this bug was fixed with version 5.0.36.
http://bugs.mysql.com/bug.php?id=23938 Thanks Daniel -- Mit freundlichen Grüßen Daniel Mikic IT-Leiter / CIO logical line GmbH Hamburger Allee 23 30161 Hannover HRB 56320/AG Hannover Geschäftsführer: Dr. Rüdiger Lemke www.logicalline.com Fon: +49 511 936 208 - 32 Fax: +49 511 936 208 - 11
