debian-mirror-gitlab/db/post_migrate/20200305082858_add_uniqueness_index_to_label_title_and_project.rb
2020-08-09 17:44:08 +05:30

22 lines
794 B
Ruby

# frozen_string_literal: true
class AddUniquenessIndexToLabelTitleAndProject < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
PROJECT_AND_TITLE = [:project_id, :title]
def up
add_concurrent_index :labels, PROJECT_AND_TITLE, where: "labels.group_id IS NULL", unique: true, name: "index_labels_on_project_id_and_title_unique"
remove_concurrent_index :labels, PROJECT_AND_TITLE, name: "index_labels_on_project_id_and_title"
end
def down
add_concurrent_index :labels, PROJECT_AND_TITLE, where: "labels.group_id IS NULL", unique: false, name: "index_labels_on_project_id_and_title"
remove_concurrent_index :labels, PROJECT_AND_TITLE, name: "index_labels_on_project_id_and_title_unique"
end
end