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One of the things that bothers me in Rails is that scaffolding generates migrations that I don't always need.
Is there a way to generate the scaffold without the corresponding migration?
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To generate a fully working scaffold for a new object, including model, controller, views, assets, and tests, use the rails g scaffold command. Then you can run rake db:migrate to set up the database table. Then you can visit http://localhost:3000/widgets and you'll see a fully functional CRUD scaffold.
Rails Migration allows you to use Ruby to define changes to your database schema, making it possible to use a version control system to keep things synchronized with the actual code. Teams of developers − If one person makes a schema change, the other developers just need to update, and run "rake migrate".
Every time a migration is generated using the rails g migration command, Rails generates the migration file with a unique timestamp. The timestamp is in the format YYYYMMDDHHMMSS . Whenever a migration is run, Rails inserts the migration timestamp into an internal table schema_migrations .
Migrations are a convenient way to alter your database schema over time in a consistent way. They use a Ruby DSL so that you don't have to write SQL by hand, allowing your schema and changes to be database independent. You can think of each migration as being a new 'version' of the database.
Use the --skip-migration parameter. For example:
rails generate scaffold post title:string body:text --skip-migration
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