DB.Raw("SELECT ANY_VALUE(visitor_id) visitor_id,ANY_VALUE(id) id,ANY_VALUE(content) content FROM ? message_alia GROUP BY visitor_id",subQuery).Scan(&messages)
DB.Raw("SELECT ANY_VALUE(visitor_id) visitor_id,ANY_VALUE(id) id,ANY_VALUE(content) content FROM ? message_alia GROUP BY visitor_id",subQuery).Scan(&messages)