Adding indexes

app/models/music/album.rb

@@ -1,12 +1,10 @@
 class Album < ActiveRecord::Base
   belongs_to :artist
   has_many :tracks, :order => 'bonus ASC, position ASC', :dependent => :destroy
-  has_many :local_brainz_cached_releases, :class_name => 'LocalBrainz::CachedRelease', :dependent => :destroy
   has_many :album_formats
   has_many :release_formats, :through => :album_formats
   
   default_scope where(:master => true)
-  scope :with_non_masters, where(:master => [true, false])
   
   def self.with_format f
     joins(:release_formats).where(:release_formats => { :hash => f.to_s })

db/migrate/20110926002631_add_indexes.rb

@@ -0,0 +1,95 @@
+class AddIndexes < ActiveRecord::Migration
+  def up
+    # Artists
+    add_index :artists, :name
+    add_index :artists, :original_name
+    add_index :artists, :status
+    add_index :artists, :listeners
+    
+    add_index :artist_aliases, :artist_id
+    add_index :artist_aliases, :name
+    
+    add_index :artist_links, :artist_id
+    
+    # Albums
+    add_index :albums, :name
+    add_index :albums, :artist_id
+    add_index :albums, :year
+    add_index :albums, :has_pic
+    add_index :albums, :master
+    
+    add_index :release_formats, :hash
+    add_index :album_formats, :album_id
+    add_index :album_formats, :release_format_id
+    
+    add_index :album_genres, :album_id
+    add_index :album_genres, :genre_id
+    
+    add_index :album_styles, :album_id
+    add_index :album_styles, :style_id
+    
+    # Tracks
+    add_index :tracks, :name
+    add_index :tracks, :album_id
+    add_index :tracks, :position
+    add_index :tracks, :bonus
+    
+    add_index :track_artists, :track_id
+    add_index :track_artists, :artist_id
+    add_index :track_artists, :main
+    
+    # Beathaven infrastructure
+    add_index :users, :name
+    add_index :users, :vkid
+    
+    add_index :sessions, :user_id
+    add_index :sessions, :key
+  end
+
+  def down
+    # Artists
+    remove_index :artists, :column => :name
+    remove_index :artists, :column => :original_name
+    remove_index :artists, :column => :status
+    remove_index :artists, :column => :listeners
+    
+    remove_index :artist_aliases, :column => :artist_id
+    remove_index :artist_aliases, :column => :name
+    
+    remove_index :artist_links, :column => :artist_id
+    
+    # Albums
+    remove_index :albums, :column => :name
+    remove_index :albums, :column => :artist_id
+    remove_index :albums, :column => :year
+    remove_index :albums, :column => :has_pic
+    remove_index :albums, :column => :master
+    
+    remove_index :release_formats, :column => :hash
+    remove_index :album_formats, :column => :album_id
+    remove_index :album_formats, :column => :release_format_id
+    
+    remove_index :album_genres, :column => :album_id
+    remove_index :album_genres, :column => :genre_id
+    
+    remove_index :album_styles, :column => :album_id
+    remove_index :album_styles, :column => :style_id
+    
+    # Tracks
+    remove_index :tracks, :column => :name
+    remove_index :tracks, :column => :album_id
+    remove_index :tracks, :column => :position
+    remove_index :tracks, :column => :bonus
+    
+    remove_index :track_artists, :column => :track_id
+    remove_index :track_artists, :column => :artist_id
+    remove_index :track_artists, :column => :main
+    
+    # Beathaven infrastructure
+    remove_index :users, :column => :name
+    remove_index :users, :column => :vkid
+    
+    remove_index :sessions, :column => :user_id
+    remove_index :sessions, :column => :key
+  end
+end