debian-mirror-gitlab/db/migrate/20200731201408_add_foreign_key_to_experiment_on_experiment_users.rb
2021-01-03 14:25:43 +05:30

21 lines
531 B
Ruby

# frozen_string_literal: true
class AddForeignKeyToExperimentOnExperimentUsers < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
def up
with_lock_retries do
# There is no need to use add_concurrent_foreign_key since it's an empty table
add_foreign_key :experiment_users, :experiments, column: :experiment_id, on_delete: :cascade
end
end
def down
with_lock_retries do
remove_foreign_key :experiment_users, column: :experiment_id
end
end
end