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# frozen_string_literal: true
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class AddLabelProjectGroupPartialIndexes < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
PROJECT_AND_TITLE = [:project_id, :title]
GROUP_AND_TITLE = [:group_id, :title]
def up
add_concurrent_index :labels, PROJECT_AND_TITLE, unique: false, where: "labels.group_id = null"
add_concurrent_index :labels, GROUP_AND_TITLE, unique: false, where: "labels.project_id = null"
end
def down
remove_concurrent_index :labels, PROJECT_AND_TITLE
remove_concurrent_index :labels, GROUP_AND_TITLE
end
end
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