CREATE TABLE IF NOT EXISTS internal_platform_db.dwd_user_activity_log_hi (
    `user_id` STRING COMMENT '用户ID',
    `channel` STRING COMMENT '渠道',
    `event_type` STRING COMMENT '事件类型',
    `event_time` STRING COMMENT '事件时间',
    `imp_date` BIGINT COMMENT '分区日期'
) PARTITIONED BY (`ds` STRING) STORED AS ORC;

CREATE TABLE IF NOT EXISTS internal_platform_db.dws_user_daily_active_by_channel (
    `imp_date` BIGINT COMMENT '统计日期',
    `channel` STRING COMMENT '渠道',
    `dau` BIGINT COMMENT '日活跃用户数'
) PARTITIONED BY (`ds` STRING) STORED AS ORC;