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remove trailing whitespace [ci skip]

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Yves Senn 2016-10-20 20:32:24 +02:00
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guides/source/active_record_migrations.md
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@ -1018,10 +1018,10 @@ such features, the `execute` method can be used to execute arbitrary SQL.
Migrations and Seed Data
------------------------
The main purpose of Rails' migration feature is to issue commands that modify the
schema using a consistent process. Migrations can also be used
to add or modify data. This is useful in an existing database that can't be destroyed
and recreated, such as a production database.
The main purpose of Rails' migration feature is to issue commands that modify the
schema using a consistent process. Migrations can also be used
to add or modify data. This is useful in an existing database that can't be destroyed
and recreated, such as a production database.
```ruby
class AddInitialProducts < ActiveRecord::Migration[5.0]
@ -1037,10 +1037,10 @@ class AddInitialProducts < ActiveRecord::Migration[5.0]
end
```
To add initial data after a database is created, Rails has a built-in
'seeds' feature that makes the process quick and easy. This is especially
useful when reloading the database frequently in development and test environments.
It's easy to get started with this feature: just fill up `db/seeds.rb` with some
To add initial data after a database is created, Rails has a built-in
'seeds' feature that makes the process quick and easy. This is especially
useful when reloading the database frequently in development and test environments.
It's easy to get started with this feature: just fill up `db/seeds.rb` with some
Ruby code, and run `rails db:seed`:
```ruby