xiangqinxiangmu/service/admin/target/classes/sql/announcement.sql

-- 创建公告表
CREATE TABLE IF NOT EXISTS `announcement` (
  `id` BIGINT(20) NOT NULL AUTO_INCREMENT COMMENT '公告ID',
  `content` VARCHAR(500) NOT NULL COMMENT '公告内容',
  `status` TINYINT(1) NOT NULL DEFAULT 1 COMMENT '状态: 0-禁用 1-启用',
  `priority` INT(11) NOT NULL DEFAULT 0 COMMENT '优先级，数字越大越优先',
  `start_time` DATETIME NULL COMMENT '开始时间',
  `end_time` DATETIME NULL COMMENT '结束时间',
  `create_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `update_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
  `is_deleted` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否删除: 0-否 1-是',
  PRIMARY KEY (`id`),
  INDEX `idx_status_priority` (`status`, `priority` DESC),
  INDEX `idx_create_time` (`create_time`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='公告表';