I think they are all stored as native date/time types, depending on
database support. Either that, or strings that are parsed back to Date
objects. Have a look at the data_objects code for your database, to
confirm this behavior. I don't think this will be much of a constraint,
however, unless you're dealing with billions of records. In smaller apps,
the main constraint is programming time and comfort, which is why I was
talking about the Ruby types =)
On Sat, 16 Apr 2011, DAZ wrote:
Thanks for the reply Michishige. I understand the differences between
the 3 Ruby date types, but wondered what DM did behind the scenes with
these ... are there any differences in how they are saved in the
underlying DB?
DAZ
On Apr 16, 3:49 pm, Michishige Kaito <chris.webs...@gmail.com> wrote:
On Sat, 16 Apr 2011, DAZ wrote:
Hi,
The docs say the following date types are available:
DateTime, Date, Time
I have always just used DateTime, but would actually like to work in
seconds and therefore use a Time object.
Is there any difference in the background in using Time as a type?
e.g.:
property :created_at, Time, :default => proc { |m,p| Time.now}
cheers,
DAZ
The differences lie in the Ruby types you'll be working with, as the types
correspond with Ruby date and time classes. I suggest you have a look at
their documentation and judge by yourself.
As far as I'm concerned, DateTime has support for timezones and some other
fancy things, while both Date and Time are a little "simpler". Depends on
your needs. I usually just use Date or Time.
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