Class: AddFollowsMigration

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

Instance Method Summary collapse

Instance Method Details

#down ⇒ Object 



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# File 'lib/generators/partisan/templates/migration.rb', line 15

def down
  drop_table :follows
end

#up ⇒ Object 



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# File 'lib/generators/partisan/templates/migration.rb', line 2

def up
  create_table :follows do |t|
    t.references :followable, polymorphic: true
    t.references :follower, polymorphic: true

    t.timestamps null: false
  end

  add_index :follows, ['follower_id', 'follower_type'], name: 'index_partisan_followers'
  add_index :follows, ['followable_id', 'followable_type'], name: 'index_partisan_followables'
  add_index :follows, ['follower_id', 'follower_type', 'followable_id', 'followable_type'], name: 'index_partisan_unique_follow', unique: true
end