gitlab-org--gitlab-foss/db/migrate/20200921131313_add_foreign_...

21 lines
699 B
Ruby

# frozen_string_literal: true
class AddForeignKeyToPagesDeploymentIdInProjectPagesMetadata < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'index_project_pages_metadata_on_pages_deployment_id'
disable_ddl_transaction!
def up
add_concurrent_index(:project_pages_metadata, :pages_deployment_id, name: INDEX_NAME)
add_concurrent_foreign_key :project_pages_metadata, :pages_deployments, column: :pages_deployment_id, on_delete: :nullify
end
def down
remove_foreign_key_if_exists :project_pages_metadata, column: :pages_deployment_id
remove_concurrent_index_by_name(:project_pages_metadata, INDEX_NAME)
end
end