just following up again...  as this /feature/ has seemingly hit us too.

On 17/01/2008, at 2:53 AM, John Pollard wrote:

We have tables with mysql DATE type fields and EO attribute types of NSTimestamp.

After upgrading mysql from 5.0.18 to 5.0.45, the queries are no longer matching against dates correctly.

For recent dates the date in the query sent to the database has no time component, such as: 2008-01-01 00:00:00

But, for dates relating to British Summer Time, they appear in the log as: 2007-08-01 01:00:00

So a 1 hour shift has been applied to the time in the query for dates within BST.

Using mysql 5.0.18 this has/is working. With mysql 5.0.45 it no longer works, the queries relating to BST don't match the dates held on the datebase (just dates with no time).

Coincidentally, we recently upgraded our mysql server to 5.0.51 (and mysql-connector-java-5.1.5 it seems) and what do you know... one-hour shift for non-daylight savings times (here in Sydney)!

I'm seeing both that datetimes that are correctly stored in the db are retrieved wronly and timestamps stored lose an hour.

This bug seems completely relevant... but it's not been released yet:
http://bugs.mysql.com/bug.php?id=15604

Looking further...

with regards,
--

Lachlan Deck
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