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# frozen_string_literal: true
class AddManagementProjectIdIndexFkToClusters < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_foreign_key :clusters, :projects, column: :management_project_id, on_delete: :nullify
add_concurrent_index :clusters, :management_project_id, where: 'management_project_id IS NOT NULL'
end
def down
remove_concurrent_index :clusters, :management_project_id
remove_foreign_key_if_exists :clusters, column: :management_project_id
end
end
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