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# frozen_string_literal: true
class AddEnvironmentIdFkToDeploymentMergeRequests < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_foreign_key :deployment_merge_requests, :environments, column: :environment_id, on_delete: :cascade
end
def down
remove_foreign_key_if_exists :deployment_merge_requests, column: :environment_id
end
end
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