IS Department

Looking through the Rails 2.0 stuff

Posted in Programming by Brian Russell on October 27, 2007

I was reading through the Rails 2.o Preview and found a couple of neat things mentioned. The first thing I thought to be interesting is the small tweaks to migration definitions:

There’s a new alternative format for declaring migrations in a slightly more efficient format. Before you’d write:

create_table :people do |t|
  t.column, "account_id",  :integer
  t.column, "first_name",  :string, :null => false
  t.column, "last_name",   :string, :null => false
  t.column, "description", :text
  t.column, "created_at",  :datetime
  t.column, "updated_at",  :datetime

Now you can write:

create_table :people do |t|
  t.integer :account_id
  t.string  :first_name, :last_name, :null => false
  t.text    :description

The other thing I thought was good was the change of how database adapters were handled. I like this myself, it seems very appropriate:

A little more drastic, we’ve also pushed all the commercial database adapters into their own gems. So Rails now only ships with adapters for MySQL, SQLite, and PostgreSQL. These are the databases that we have easy and willing access to test on. But that doesn’t mean the commercial databases are left out in the cold. Rather, they’ve now been set free to have an independent release schedule from the main Rails distribution. And that’s probably a good thing as the commercial databases tend to require a lot more exceptions and hoop jumping on a regular basis to work well.

The commercial database adapters now live in gems that all follow the same naming convention: activerecord-XYZ-adapter. So if you gem install activerecord-oracle-adapter, you’ll instantly have Oracle available as an adapter choice in all the Rails applications on that machine. You won’t have to change a single line in your applications to take use of it.

The rest of the stuff just seemed to center around normal changes you would expect for any framework. Just seems to be maturing and handling the stuff people have come across since its 1.2 release.


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