Hi, Peter!

* Peter Valdemar M?rch <[EMAIL PROTECTED]> [04/12/28 17:33]:
> Hi there,
> 
> A bug was fixed in 4.0.23:
> >* Fixed bug which caused FROM_UNIXTIME() function to return wrong
> >       result if the argument was too big.
> >http://bugs.mysql.com/6439
> 
> However, it looks like it has side effects:
> select FROM_UNIXTIME(0) returns "1970-01-01 01:00:00" in 4.0.22 but NULL 
> in 4.0.23... (European localtime)
> 
> Needless to say, this confuses application logic (especially if the type 
> is DATETIME NOT NULL).
> 
> Is this a bug? Should I file a bug at http://bugs.mysql.com/ ?

Yes this is a bug. It was already reported as #7515 "from_unixtime(0)
now returns NULL instead of the epoch". So no need to report it once
more. It will be fixed ASAP.

Anyway, thank you for raising this question once again! 

-- 
Dmitri Lenev, Software Developer
MySQL AB, www.mysql.com

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