debian-mirror-gitlab/db/migrate/20201111051904_add_foreign_key_to_experiment_subjects_on_project.rb
2021-02-22 17:27:13 +05:30

20 lines
447 B
Ruby

# frozen_string_literal: true
class AddForeignKeyToExperimentSubjectsOnProject < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
DOWNTIME = false
def up
add_concurrent_foreign_key :experiment_subjects, :projects, column: :project_id, on_delete: :cascade
end
def down
with_lock_retries do
remove_foreign_key :experiment_subjects, column: :project_id
end
end
end