CREATE TABLE `sync_tables_info`  (
  `client_id` int UNSIGNED NOT NULL,
  `table_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `sql` varchar(2048) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `devid_field_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `outer_devid_fname` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `field_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `field_type` tinyint NOT NULL DEFAULT 1 COMMENT '1: 整数 2: 字符串 3: 日期 4: 浮点数',
  `update_time` timestamp(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) ON UPDATE CURRENT_TIMESTAMP(0),
  PRIMARY KEY (`client_id`, `table_name`) USING BTREE
);


CREATE TABLE `sync_records`  (
  `client_id` int UNSIGNED NOT NULL,
  `table_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `devid_val` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `field_val1` bigint UNSIGNED NULL DEFAULT 0,
  `field_val2` datetime(0) NULL DEFAULT '1999-01-01 01:00:00',
  `update_time` timestamp(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) ON UPDATE CURRENT_TIMESTAMP(0),
  PRIMARY KEY (`client_id`, `table_name`, `devid_val`) USING BTREE
);


CREATE TABLE `sync_fields_info`  (
  `id` int UNSIGNED NOT NULL AUTO_INCREMENT,
  `client_id` int UNSIGNED NOT NULL,
  `table_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `field_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  `field_type` tinyint UNSIGNED NOT NULL DEFAULT 0,
  `dest_field_name` varchar(128) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '',
  PRIMARY KEY (`id`) USING BTREE,
  INDEX `fields`(`client_id`, `table_name`, `field_name`) USING BTREE
);