gitlab-org--gitlab-foss/db/migrate/20170424095707_add_index_on...

20 lines
527 B
Ruby

# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class AddIndexOnCiBuildsUserId < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_index :ci_builds, :user_id
end
def down
remove_concurrent_index :ci_builds, :user_id if index_exists?(:ci_builds, :user_id)
end
end