function wc_update_260_zone_methods() {
	global $wpdb;

	/**
	 * Shipping zones in WC 2.6.0 use a table named woocommerce_shipping_zone_methods.
	 * Migrate the old data out of woocommerce_shipping_zone_shipping_methods into the new table and port over any known options (used by table rates and flat rate boxes).
	 */
	if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}woocommerce_shipping_zone_shipping_methods';" ) ) {
		$old_methods = $wpdb->get_results( "SELECT zone_id, shipping_method_type, shipping_method_order, shipping_method_id FROM {$wpdb->prefix}woocommerce_shipping_zone_shipping_methods;" );

		if ( $old_methods ) {
			$max_new_id = $wpdb->get_var( "SELECT MAX(instance_id) FROM {$wpdb->prefix}woocommerce_shipping_zone_methods" );
			$max_old_id = $wpdb->get_var( "SELECT MAX(shipping_method_id) FROM {$wpdb->prefix}woocommerce_shipping_zone_shipping_methods" );

			// Avoid ID conflicts.
			$wpdb->query( $wpdb->prepare( "ALTER TABLE {$wpdb->prefix}woocommerce_shipping_zone_methods AUTO_INCREMENT = %d;", max( $max_new_id, $max_old_id ) + 1 ) );

			// Store changes.
			$changes = array();

			// Move data.
			foreach ( $old_methods as $old_method ) {
				$wpdb->insert(
					$wpdb->prefix . 'woocommerce_shipping_zone_methods',
					array(
						'zone_id'      => $old_method->zone_id,
						'method_id'    => $old_method->shipping_method_type,
						'method_order' => $old_method->shipping_method_order,
					)
				);

				$new_instance_id = $wpdb->insert_id;

				// Move main settings.
				$older_settings_key = 'woocommerce_' . $old_method->shipping_method_type . '-' . $old_method->shipping_method_id . '_settings';
				$old_settings_key   = 'woocommerce_' . $old_method->shipping_method_type . '_' . $old_method->shipping_method_id . '_settings';
				add_option( 'woocommerce_' . $old_method->shipping_method_type . '_' . $new_instance_id . '_settings', get_option( $old_settings_key, get_option( $older_settings_key ) ) );

				// Handling for table rate and flat rate box shipping.
				if ( 'table_rate' === $old_method->shipping_method_type ) {
					// Move priority settings.
					add_option( 'woocommerce_table_rate_default_priority_' . $new_instance_id, get_option( 'woocommerce_table_rate_default_priority_' . $old_method->shipping_method_id ) );
					add_option( 'woocommerce_table_rate_priorities_' . $new_instance_id, get_option( 'woocommerce_table_rate_priorities_' . $old_method->shipping_method_id ) );

					// Move rates.
					$wpdb->update(
						$wpdb->prefix . 'woocommerce_shipping_table_rates',
						array(
							'shipping_method_id' => $new_instance_id,
						),
						array(
							'shipping_method_id' => $old_method->shipping_method_id,
						)
					);
				} elseif ( 'flat_rate_boxes' === $old_method->shipping_method_type ) {
					$wpdb->update(
						$wpdb->prefix . 'woocommerce_shipping_flat_rate_boxes',
						array(
							'shipping_method_id' => $new_instance_id,
						),
						array(
							'shipping_method_id' => $old_method->shipping_method_id,
						)
					);
				}

				$changes[ $old_method->shipping_method_id ] = $new_instance_id;
			}

			// $changes contains keys (old method ids) and values (new instance ids) if extra processing is needed in plugins.
			// Store this to an option so extensions can pick it up later, then fire an action.
			update_option( 'woocommerce_updated_instance_ids', $changes );
			do_action( 'woocommerce_updated_instance_ids', $changes );
		}
	}

	// Change ranges used to ...
	$wpdb->query( "UPDATE {$wpdb->prefix}woocommerce_shipping_zone_locations SET location_code = REPLACE( location_code, '-', '...' );" );
}