Contents

# This migration comes from acts_as_taggable_on_engine (originally 2)
class AddMissingUniqueIndices < ActiveRecord::Migration

  def self.up
    add_index :tags, :name, unique: true

    remove_index :taggings, :tag_id
    remove_index :taggings, [:taggable_id, :taggable_type, :context]
    add_index :taggings,
      [:tag_id, :taggable_id, :taggable_type, :context, :tagger_id, :tagger_type],
      unique: true, name: 'taggings_idx'
   end

  def self.down
    remove_index :tags, :name

    remove_index :taggings, name: 'taggings_idx'
    add_index :taggings, :tag_id
    add_index :taggings, [:taggable_id, :taggable_type, :context]
  end

end

Version data entries

16 entries across 16 versions & 1 rubygems

Version	Path
dm_core-4.2.3.10	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.9	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.8	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.7	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.6	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.5	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.4	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.3	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.2	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3.1	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.3	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.2.3	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.2.2	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.2.1	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.2	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb
dm_core-4.2.1.5	db/migrate/20140501160010_add_missing_unique_indices.acts_as_taggable_on_engine.rb