Class: RocketTagMigration

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/generators/rocket_tag/migration/templates/active_record/migration.rb

Class Method Summary collapse

Class Method Details

.downObject



25
26
27
28
# File 'lib/generators/rocket_tag/migration/templates/active_record/migration.rb', line 25

def self.down
  drop_table :taggings
  drop_table :tags
end

.upObject



3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
# File 'lib/generators/rocket_tag/migration/templates/active_record/migration.rb', line 3

def self.up
  create_table :tags do |t|
    t.string :name
  end

  create_table :taggings do |t|
    t.references :tag

    # You should make sure that the column created is
    # long enough to store the required class names.
    t.references :taggable, :polymorphic => true
    t.references :tagger, :polymorphic => true

    t.string :context

    t.datetime :created_at
  end

  add_index :taggings, :tag_id
  add_index :taggings, [:taggable_id, :taggable_type, :context]
end