1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
# This migration comes from acts_as_taggable_on_engine (originally 2)
class AddMissingUniqueIndices < ActiveRecord::Migration
def self.up
add_index :tags, :name, unique: true
# pre-GitLab v6.7.0 may not have these indices since there were no
# migrations for them
if index_exists?(:taggings, :tag_id)
remove_index :taggings, :tag_id
end
if index_exists?(:taggings, [:taggable_id, :taggable_type, :context])
remove_index :taggings, [:taggable_id, :taggable_type, :context]
end
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
|
