select  *  from fi_facturas   where  CHARACTER_LENGTH(consecutivo) = 20      and ( fecha_creacion_server > '2025-07-01'  )    and   electronica_resultado	 = 0  and electronica_enviada = 1   and entidad = (select entidad from fi_facturas where 1   and ( fecha_creacion_server > '2025-07-01'  )    and   electronica_resultado	 = 0  and electronica_enviada = 1      order by rand()  limit 1  )     limit 20