Heston,
Heston James - Cold Beans wrote:
Hello Guys,
This might seem like a bit of a naive question but I’m looking for
your advice. Being from the UK we operate on Daylight Savings Time
which gives us a one hour offset on times for a few months of the year.
I currently have a DateTime column which is declared like so:
created = Column(DateTime, default=func.now())
modified = Column(DateTime, default=func.now(), onupdate=func.now())
Which generally works very well, when I create a record it inserts the
current locale time into the column, however, it stores the datetime
with DST applied too it. As I use the datetime at a later point for
posting over web services I really need to store the UTC version of
now() in the database, without DST applied to it.
How can I modify the above column definition to do this? Can I simply
use something instead of func.now()? I was given the advise to use
func.now() by someone but not really sure what it returns, is it a
datetime.datetime object? Or a time tuple?
Or is there a parameter I can pass to Column() or DateTime() which
will ensure it uses the UTC format of the date when creating and
modifying records?
IIUC func.now is a database function.
You should be able to use datetime instead i.e.:
created = Column(DateTime, default=datetime.datetime.utcnow)
modified = Column(DateTime, default=datetime.datetime.utcnow,
onupdate=datetime.datetime.utcnow)
Werner
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