diff options
Diffstat (limited to 'db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb')
-rw-r--r-- | db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb b/db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb new file mode 100644 index 00000000000..4ca676f6c72 --- /dev/null +++ b/db/migrate/20150425164648_add_missing_unique_indices.acts_as_taggable_on_engine.rb @@ -0,0 +1,20 @@ +# 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 |