Ruby on Rails Monday, August 12, 2013

If you're curious, read up on the Active Record (two words) pattern here: http://martinfowler.com/eaaCatalog/activeRecord.html

Each time you get an object, that object is built up from whatever is in the database record that backs it as of that moment. You either get the default value for that column/attribute, or you get the persisted value.

Walter

On Aug 12, 2013, at 2:07 PM, Scott Ribe wrote:

> On Aug 12, 2013, at 11:57 AM, Valentin Kotelnitski <lists@ruby-forum.com> wrote:
>
>> Except that I need a property in my model of a table corresponding to a
>> newly migrated column.
>> That is the question.
>
> ? Rails models automatically derive from the current schema. If you're actually asking what I think you're asking, the answer is that you have to do absolutely nothing.
>
> --
> Scott Ribe
> scott_ribe@elevated-dev.com
> http://www.elevated-dev.com/
> (303) 722-0567 voice
>
>
>
>
> --
> You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe@googlegroups.com.
> To post to this group, send email to rubyonrails-talk@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/2BEB9011-44E6-4FB0-8E55-79129181B586%40elevated-dev.com?hl=en-US.
> For more options, visit https://groups.google.com/groups/opt_out.
>
>

--
You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe@googlegroups.com.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/C8533C7C-9F3E-44BC-BB43-D5231413989A%40wdstudio.com?hl=en-US.
For more options, visit https://groups.google.com/groups/opt_out.

No comments:

Post a Comment