{
    "2023.8.9": [
        "ALTER TABLE `tbl_customers` ADD `balance` decimal(15,2) NOT NULL DEFAULT 0.00 COMMENT 'For Money Deposit' AFTER `email`;",
        "CREATE TABLE `tbl_customers_meta` (`id` int(11) NOT NULL, `customer_id` int(11) NOT NULL,`meta_key` varchar(64) COLLATE utf8mb4_general_ci NOT NULL DEFAULT '', `meta_value` longtext COLLATE utf8mb4_general_ci) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;",
        "ALTER TABLE `tbl_customers_meta` ADD PRIMARY KEY (`id`);",
        "ALTER TABLE `tbl_customers_meta` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;"
    ],
    "2023.8.14": [
        "ALTER TABLE `tbl_customers` ADD `pppoe_password` varchar(45) NOT NULL DEFAULT '1' COMMENT 'For PPPOE Login' AFTER `password`;",
        "ALTER TABLE `tbl_plans` CHANGE `type` `type` ENUM('Hotspot','PPPOE','Balance') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL;",
        "ALTER TABLE `tbl_transactions` CHANGE `type` `type` ENUM('Hotspot','PPPOE','Balance') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL;",
        "ALTER TABLE `tbl_customers` ADD `auto_renewal` tinyint(1) NOT NULL DEFAULT 1 COMMENT 'Auto renewall using balance' AFTER `balance`;"
    ],
    "2023.8.23" : [
        "ALTER TABLE `tbl_customers` CHANGE `pppoe_password` `pppoe_password` VARCHAR(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '0' COMMENT 'For PPPOE Login';"
    ],
    "2023.8.28" : [
        "ALTER TABLE `tbl_user_recharges` ADD `recharged_time` time NOT NULL DEFAULT '00:00:00' AFTER `recharged_on`;",
        "ALTER TABLE `tbl_transactions` ADD `recharged_time` time NOT NULL DEFAULT '00:00:00' AFTER `recharged_on`;"
    ],
    "2023.9.5" : [
        "DROP TABLE `tbl_language`;",
        "ALTER TABLE `tbl_plans` ADD `pool_expired`  varchar(40) NOT NULL DEFAULT '' AFTER `pool`;"
    ],
    "2023.9.27" : [
        "ALTER TABLE `tbl_plans` CHANGE `type` `type` ENUM('Hotspot','PPPOE','Balance','Radius') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL;",
        "ALTER TABLE `tbl_transactions` CHANGE `type` `type` ENUM('Hotspot','PPPOE','Balance','Radius') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL;"
    ],
    "2023.9.28" : [
        "ALTER TABLE `tbl_plans` CHANGE `type` `type` ENUM('Hotspot','PPPOE','Balance') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL;",
        "ALTER TABLE `tbl_transactions` CHANGE `type` `type` ENUM('Hotspot','PPPOE','Balance') CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL;"
    ],
    "2023.10.1" : [
        "ALTER TABLE `tbl_plans` ADD `is_radius` TINYINT(1) NOT NULL DEFAULT '0' COMMENT '1 is radius' AFTER `routers`; "
    ],
    "2023.10.24" : [
        "ALTER TABLE `nas` ADD `routers` VARCHAR(32) NOT NULL DEFAULT '' AFTER `description`;"
    ],
    "2023.12.15": [
        "ALTER TABLE `tbl_customers` ADD `service_type` ENUM('Hotspot','PPPoE','Others') DEFAULT 'Others' COMMENT 'For selecting user type' AFTER `balance`;"
    ],
	"2024.1.11": [
        "ALTER TABLE `tbl_plans` ADD `allow_purchase` ENUM('yes','no') DEFAULT 'yes' COMMENT 'allow to show package in buy package page' AFTER `enabled`;"
    ]
}