select
hour,
token_address,
case when symbol IS NULL then 'ETH' else symbol end as symbol,
price
from ethereum.core.fact_hourly_token_prices feed
where (feed.token_address = '0xbe9895146f7af43049ca1c1ae358b0541ea49704'
or (feed.token_address IS NULL))
and hour > current_date - 31;