ALTER TABLE `investor_investments`  ADD COLUMN `is_completed` TINYINT UNSIGNED NULL DEFAULT '0' AFTER `remove_comment`;
ALTER TABLE `investor_investments`  ADD COLUMN `change_principal` DECIMAL(10,2) UNSIGNED NULL DEFAULT '0.00' AFTER `amount`;
ALTER TABLE `investor_investments`  ADD COLUMN `change_date` DATE NULL DEFAULT NULL AFTER `change_principal`;

ALTER TABLE `invoice_closed`  DROP INDEX `invoice_bidding_id`,  DROP INDEX `closed_ref_id`,  DROP INDEX `invoice_id`,  ADD INDEX `invoice_id` (`invoice_id`);
ALTER TABLE `investor_investments`  ADD INDEX `Index 3` (`investment_type`),  ADD INDEX `Index 4` (`investment_date`),  ADD INDEX `Index 5` (`currency_id`);
ALTER TABLE `invoice_closed`  ADD INDEX `close_time` (`close_time`);