DROP TABLE IF EXISTS `t_read_report`;
CREATE TABLE `t_read_report` (
  `id` int(11) NOT NULL PRIMARY KEY AUTO_INCREMENT,
  `_uid` varchar(64) NULL,
  `_type` tinyint NULL,
  `_line` int(11) NULL,
  `_target` varchar(64) NULL,
  `_dt` bigint(20) NOT NULL DEFAULT 0,
  INDEX `read_report_index` (`_uid`, `_type`, `_line`, `_target`)
)
ENGINE = InnoDB
DEFAULT CHARACTER SET = utf8mb4
COLLATE = utf8mb4_unicode_ci;

DROP TABLE IF EXISTS `t_user_read_report`;
CREATE TABLE `t_user_read_report` (
    `id` int(11) NOT NULL PRIMARY KEY AUTO_INCREMENT,
    `_rid` int(11) NOT NULL,
    `_uid` varchar(64) NOT NULL,
    `_seq` bigint(20) NOT NULL,
    `_dt` DATETIME NOT NULL DEFAULT NOW(),
    INDEX `user_read_report_index` (`_uid` DESC, `_seq` DESC),
    UNIQUE INDEX `user_read_report_index2` (`_uid` DESC, `_rid` DESC)
)
ENGINE = InnoDB
DEFAULT CHARACTER SET = utf8mb4
COLLATE = utf8mb4_unicode_ci;

DROP TABLE IF EXISTS `t_delivery_report`;
CREATE TABLE `t_delivery_report` (
  `id` int(11) NOT NULL PRIMARY KEY AUTO_INCREMENT,
  `_uid` varchar(64) NOT NULL,
  `_dt` bigint(20) NOT NULL,
  UNIQUE INDEX `delivery_index` (`_uid`)
)
ENGINE = InnoDB
DEFAULT CHARACTER SET = utf8mb4
COLLATE = utf8mb4_unicode_ci;


DROP TABLE IF EXISTS `t_user_delivery_report`;
CREATE TABLE `t_user_delivery_report` (
  `id` int(11) NOT NULL PRIMARY KEY AUTO_INCREMENT,
  `_rid` varchar(64) NOT NULL,
  `_uid` varchar(64) NOT NULL,
  `_seq` bigint(20) NOT NULL,
  `_dt` DATETIME NOT NULL DEFAULT NOW(),
  INDEX `user_delivery_index` (`_uid` DESC, `_seq` DESC),
  UNIQUE INDEX `user_delivery_index2` (`_uid` DESC, `_rid` DESC)
)
ENGINE = InnoDB
DEFAULT CHARACTER SET = utf8mb4
COLLATE = utf8mb4_unicode_ci;