# File lib/generators/acts_as_taggable_on/migration/templates/active_record/migration.rb, line 26 def self.down drop_table :taggings drop_table :tags end
# File lib/generators/acts_as_taggable_on/migration/templates/active_record/migration.rb, line 2 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 # Limit is created to prevent MySQL error on index # length for MyISAM table type: http://bit.ly/vgW2Ql t.string :context, :limit => 128 t.datetime :created_at end add_index :taggings, :tag_id add_index :taggings, [:taggable_id, :taggable_type, :context] end
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