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1 parent c007d87 commit e0672a8e3b900190bac59645465accbab7e08f52 @vijaydev vijaydev committed Apr 7, 2012
Showing with 4 additions and 5 deletions.
  1. +4 −5 guides/source/migrations.textile
@@ -51,7 +51,7 @@ end
This migration adds a table called +products+ with a string column called +name+
and a text column called +description+. A primary key column called +id+ will
-also be added, however since this is the default we do not need to explicitly write for this.
+also be added, however since this is the default we do not need to explicitly specify it.
The timestamp columns +created_at+ and +updated_at+ which Active Record
populates automatically will also be added. Reversing this migration is as
simple as dropping the table.
@@ -65,7 +65,7 @@ class AddReceiveNewsletterToUsers < ActiveRecord::Migration
change_table :users do |t|
t.boolean :receive_newsletter, :default => false
end
- User.update_all :receive_newsletter => true
+ User.update_all :receive_newsletter => true
end
def down
@@ -636,9 +636,8 @@ $ rake db:migrate:up VERSION=20080906120000
</shell>
will run the +up+ method from the 20080906120000 migration. This task will first
-check whether the migration is already performed, so for example
- +db:migrate:up VERSION=20080906120000+ will do nothing if Active Record believes
- that 20080906120000 has already been run.
+check whether the migration is already performed and will do nothing if Active Record believes
+that it has already been run.
h4. Changing the output of running migrations

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