I am creating a new Rails application which will work with an e开发者_JS百科xisting schema. I have been given the schema SQL but I want to create Rails migrations to populate the database in developme
How can I开发者_Python百科 create a new migration in rails 3?rails g migration <migrationname>
I tried to get a car instance from database, theCar = Car.where(:name => \'TOYOTA\') puts theCar.user_name
I have two ActiveRecode model, Car and User, which has many-to-one association: class Car < ActiveRecord::Base
So, I created the following migration: class AddAclToUsers < ActiveRecord::Migration def self.up add_column :users, :acl, :integer
I am a total ruby on rails noob, and I have been trying to follow Lynda.com\'s ruby on rails 3 essential training. However, this was made when mysql was the default database, and somehow since then th
I have some problem trying to understand when building a rails app with several models and relation ships between them...
How do you make a Rails migration conditional on the current RAILS_ENV? Specifically, I want to: Check a migration into head-of-master
I want to create migrations to add columns from my rails application (not through rails g migration xxxx), while creating the migration I want to store the version number to the for the migration for
I have Rails app, and every once in a while, when I bring new developer onboard they exclaim that they should be able to produce the current DB schema in their dev environment by running the whole his
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